Rolls-Royce Archives
| Identifier | Entry | ||
| 07-page001 | Modified bonnet fastener design for the Phantom and EAC-V11 models. | ||
| View original record | To BY. from DA/EV. c. to Hs. BJ. X7260 EV2/25.11.26. RE. PHANTOM BONNET FASTENERS. X.7260 X.8260 We send herewith N.sch.2312 shewing a design of modified bonnet fastener for the Phantom to overcome… | ||
| 07-page002 | Improvements to bonnet fastenings and the adoption of a new cast dash. | ||
| View original record | To BJ } from R. e. DA } c. to WOR. EV. HS. X7260 R2/M26.11.26. CAST DASH, AND BONNET FASTENINGS. X.7500. X.7260. It is with sadness that I admit that our bonnet fastenings are not nearly first class.… | ||
| 07-page003 | Engine vibration issues related to the rigidity of a cast dashboard. | ||
| View original record | To B.J. From Hs. X7260 Hs1/LG30.11.26. CAST DASH AND BONNET. X7500 Although the cast dashboard has run 10,000 miles in France and several thousand miles since, we have not so far issued a… | ||
| 07-page004 | Design and advantages of a new cast dash and bonnet. | ||
| View original record | To BJ. from DA. c. to Wor. BY. Hs. X7260 DA45/M1.12.26. CAST DASH AND BONNET DESIGN. X. 7260 X. 7500 X. 8500 With reference to BJ28/E29.11.26., there are one or two items on the list to which we think… | ||
| 07-page005 | Suggesting the use of bonnet fasteners as handles on the Phantom model to save fittings and rivets. | ||
| View original record | To EY. To Hs. from DA. c. to BJ‡ X7260 DA3/M17.12.26. PHANTOM BONNET. X. 8280 X. 7280 With reference to the new bonnet we have not shewn any handles, and as the fasteners are now carried on the bonnet… | ||
| 07-page006 | Standardisation of a cast dashboard for the Phantom model, outlining potential issues and modifications. | ||
| View original record | X7260 To Hs. EY. ) FROM R. c. to BJ. LHS. c. to C. Wor. DA1/M 17.12.26. PHANTOM AND CAST DASH. X.8500 X.7430 We have explained that the proposed bonnet improvements depend on the use of a stiffened… | ||
| 07-page007 | Revised bonnet lock for a Phantom model, requesting a model for inspection. | ||
| View original record | To BY. from DA. c. to BJ. Hs. X7260 DA3/M22.12.26. PHANTOM REVISED BONNET. X. 8260 X. 7260 Herewith we send N.sch. 2326 shewing the lock for the revised bonnet. The key is intended to be that of the… | ||
| 07-page008 | Revised Phantom bonnet fastener spring. | ||
| View original record | To BY. from DA. c. to BJ. Hs. x7260 DA1-M23.12.26. REVISED PHANTOM BONNET. X. 8260 X. 7260 We send herewith Ns.ch. 2333 shewing the spring for the new bonnet fastener. We have kept the load when the… | ||
| 07-page009 | Chassis length for an eight-cylinder car, referencing previous criticisms of appearance. | ||
| View original record | x7260 To R. from Hs. c. to BJ. Wor. c. to E. DA. Hs5/LG29.12.26. RE. EIGHT-CYL. CAR. X435 x4074 With reference to the attached note from OY. We consider that his comments on the length of the chassis… | ||
| 07-page010 | Eight-cylinder engines and the future of large cars in the face of increasing traffic congestion. | ||
| View original record | COPY. OY3-E-12925. Hs. from OY. RE. EIGHT CYLINDER CAR. You recently asked about the eight-in-line engine and I gave you such information as we had. Now may I refer you to the December number of the… | ||
| 07-page011 | Car design trade-offs, particularly comparing a V-eight engine to an inline-eight for body space and performance. | ||
| View original record | contd :- -2- It seems to me that since we shall have to compress the car and cannot compress the passengers, we MUST shorten the engine. As our alternative for U.S. conditions we have the 20 HP, which… | ||
| 07-page012 | V-engine design challenges, bonnet width, and comparisons with competitor Packard vehicles. | ||
| View original record | contd :- -3- It appears to me that the major difficulty is to get overhead Phantom valve gear in a reasonable width of bonnet. Overhead tappet adjustment like the Phantom is particularly useful on the… | ||
| 07-page013 | Design improvements to car radiators, bonnets, and frames for better appearance and riding quality. | ||
| View original record | X7260 To BJ. DA. E. From R. c. to Wor. Hs. BY. R5/M22.12.26. RR. CAR APPEARANCE - RADIATORS AND BONNETS. X.7250 X.5260 X.7260 X.5250 I am very pleased that you like the radiators with integral… | ||
| 07-page014 | Bonnet dimensions and the rejection of a new radiator design for the 12-EX car by the Sales department. | ||
| View original record | To R. from Hs. c. to BJ. Wor. c. to RG. E. c. to BY. X7260 Hs1/LG31.12.26. BONNET DIMENSIONS. X8260 X5260 Attached is a sketch which gives bonnet dimensions on various cars. Your own car (7-EX) is 'W'… | ||
| 07-page015 | Blueprint detailing bonnet dimensions for four different series. | ||
| View original record | BONNET DIMENSIONS. *30.12.26 E.72755 V. SERIES 25.625 26.900 21.150 27.625 46.500 E.73055 BEX W. SERIES 26.900 27.700 22.100 28.600 46.500 E.74637. E.A.C.VIII 12 EX 26.625 21.600 22.100 28.600 44.875… | ||
| 07-page016 | Design and improvement of bonnet clips and locks for various models. | ||
| View original record | To DA/EV. from R. c. to E. c. to Hs. c. to BJ. Wor. BY. 47260 R1/M2.1.27. BONNET FITTINGS - X.8260 X.1140 CLIPS AND LOCKS. X.7260 X.5250 Our older 40/50, bonnet clip and lock was not really up to RR.… | ||
| 07-page017 | Design changes to the bonnet, radiator, and scuttle for a 40/50 model. | ||
| View original record | To DA. E. Hs. From R. c. to BJ. EY. Rs. 40/50 BONNET. X. 8260 X. 8250 X. 7260 X. 8830 other comments. BJ's letter re. above does not quite agree with I take the case as I understand it. On 12-EX we… | ||
| 07-page018 | Design comparison of integral and non-integral bonnet and radiator configurations. | ||
| View original record | -2- Plan. Non-integral. Bonnet wide at rear but this helps the scuttle and is demanded by coach-work - short scuttle and pedals. Integral. Combination of bonnet high at rear, (scuttle) wide at rear… | ||
| 07-page019 | With diagrams discussing suggested modifications to the radiator and bonnet shape, balancing appearance and efficiency. | ||
| View original record | -3- DA. Let me have the views of yourself, with E. and EV., also clear up any mistakes I have made by telephonic discussion with Hs. Would it be costly to test these suggested modif-ications? First… | ||
| 07-page020 | Proposed modifications to the 40/50 HP bonnet and radiator to improve its appearance. | ||
| View original record | To R. from DA. c. to BJ. Hs. 47260 DA2/M11.1.27. 40/50 HP. BONNET. X. 7260 K. 8280 With reference to your memo. suggesting modif- ications to the radiator and bonnet proportions to improve the… | ||
| 07-page021 | Philosophy of gradual design alterations to the bonnet and radiator, using an analogy of the human nose. | ||
| View original record | 47260 To DA. from E. E1/M11.1.27. c. to BJ. Hs. RE. 40/50 BONNET AND MEMO. X. 8250 X. 7260 X. 8350 RL/M3.1.27. If the human nose were suddenly doubled in length for some physiological necessity we… | ||
| 07-page022 | Cost-effectiveness of alternative schemes for the Phantom bonnet and radiator, suggesting mock-ups for appearance. | ||
| View original record | To B.J. from Hs. c. to Wor. C. c. to DA. E. c. to BY. ✓ Handwritten: X7260 Hs1/LG13.1.27 PHANTOM - BONNET & RADIATOR. Handwritten: X8260 X8250 With reference to R's recent memos in connection with the… | ||
| 07-page023 | Optimal radiator tube diameter and length for the 40/50 HP model. | ||
| View original record | To Hs. from DA. X7960 DA1/M13.1.27. 40/50 HP. BONNET & RADIATOR ETC. X.8260 X.7260 X.8250 X.7250 With reference to the controversy which is now going on regarding the thickness of radiator, length of… | ||
| 07-page024 | Proposal for modifying the 40/50 bonnet and radiator design, detailing dimensional changes and efficiency considerations. | ||
| View original record | 47260 To Hs. from DA. DA2/M15.1.27. 40/50 BONNET AND RADIATOR. X.8260 X.7260 X.8250 X.7250 With further reference to this question, and your HsL/LG13.1.27. we are putting up a proposal to R., which by… | ||
| 07-page025 | Design and production of a revised radiator and bonnet. | ||
| View original record | To RG. Hs. from DA. c. to BJ. EAC. 8. RADIATOR AND BONNET REVISED. X. 7250 X. 7260 We send herewith a print of N.Sch.3ch. 2353 shewing the bonnet to be used in conjunction with the revised radiator.… | ||
| 07-page026 | Proposed modifications to radiator and bonnet proportions, referencing associated drawings and a wooden model. | ||
| View original record | To BY. from DA. c. to BJ. Hs. X7260 DA1/MS.2.27. X.7250 X.1085 X.7260 EAC. S. RADIATOR SHUTTERS AND BONNET. As you know we are endeavouring to come to an agreement regarding some modifications to the… | ||
| 07-page027 | Design improvements for the Phantom radiator and bonnet, focusing on integral shutters. | ||
| View original record | X7260 To DA. HS. BY. from R. c. to BJ. Wor. E. RG. ROLLS-ROYCE LIMITED PHANTOM RADIATOR AND BONNET. EAC.S. FOR IMPROVED APPEARANCE INTEGRAL SHUTTERS. RS/M10.2.27. X. 7260 X. 7250 X. 8260 X. 8250 I… | ||
| 07-page028 | Solutions for fitting a raised radiator and bonnet to car chassis EAC.7. | ||
| View original record | To HS. From DA. EAC.7. RADIATOR, BONNET & DASH. X.7250 X.7260 X.7830 With further reference to R5/M10.2.27., there will be a difficulty in fitting the raised radiator and bonnet to this car as the… | ||
| 07-page029 | Potential design modifications to the Phantom EAC. 8 Type radiator and bonnet. | ||
| View original record | To BY. Hs. from DA. PHANTOM RADIATOR & BONNET. EAC. 8. TYPE. X.7250 X.7260 With reference to R5/M10.2.27., we have looked into the question of reducing the thickness of the radiator in the side view… | ||
| 07-page030 | Modifications to the EAC.8 radiator, including tube size, matrix height, and bonnet position. | ||
| View original record | To BY. from DA. c. to BJ. HS/RM. RG. 47260 DA1/M17.3.27. EAC. 8. RADIATOR. X. 7250 X. 7260 With reference to the question of appearance of this radiator the position now is that we are authorised to… | ||
| 07-page031 | Review of steering columns, scuttles, and dashboards for 20 HP and 40 HP models, discussing flexibility and vibration issues. | ||
| View original record | DA. BY. from R. RE. c. to BJ. Wor. C. E. SG. +7260 20 HP. & 40 HP. STEERING COLUMNS. X.5500 X.7260 SCUTTLES AND DASHBOARDS REVIEWED. X.7500 X.7250 X.7430 X.5430 A dashboard should be able to stand up… | ||
| 07-page032 | Proposed modifications to a Phantom bonnet, radiator, and dash for coachbuilders. | ||
| View original record | to [REDACTED]. from. EV. X7260 EV1/1.5.28. copy to [REDACTED]. Hs. PHANTOM BONNET. Thank you for your Sg17.CM30.4.28. We are enclosing herewith N.Sch.2595. which shews a modified radiator, bonnet and… | ||
| 07-page033 | The introduction and trial fitting of a modified bonnet, radiator, and dash for the Phantom model. | ||
| View original record | to EW. from Ev. copy to Hs. EB. X7260 EV6/7.5.28. RE PHANTOM BONNETS. We are sending herewith N.Sch.2595. showing a modified bonnet, radiator and dash for Phantom. which are those referred to in… | ||
| 07-page034 | Modifications to the Phantom's radiator, bonnet, and dashboard for the Show chassis and their potential application to other series. | ||
| View original record | BY. from R. c. to BJ. Hs. 47260- R6/M7.5.28. PHANTOM - MODIFIED RADIATOR, BONNET X.7250 AND POSSIBLY DASHBOARD. X.7260 There are certain modifications for the Show chassis which might be made to G.2.… | ||
| 07-page035 | Proposed Phantom G.2B bonnet modifications. | ||
| View original record | COPY. X7260. BY12/G.10.5.28. R. Sg. DA/EV. Hs. Wcr. ----------------------- PHANTOM BONNET MODIFICATIONS PROPOSED FOR G.2B. ------------------------------------------- Referring to R6/M7.5.28. and… | ||
| 07-page036 | Proposed Phantom bonnet modification for the G.Z.B. series. | ||
| View original record | X7260 S/W. (Copy to Wor} " " Hs} " " Brk} Re: Phantom Bonnet modification proposed for G.Z.B. I have received copy of BY12/G10.5.28. In suggesting that a chassis should be brought through with the… | ||
| 07-page037 | Driving position visibility and requesting coachbuilder drawings for scuttle alterations. | ||
| View original record | - 2 - until they had seen the effect and satisfied themselves that the visibility was reasonably satisfactory. With regard to the R. driving position and the reference to this being 4" lower, you will… | ||
| 07-page038 | Proposed modifications to the Phantom G.2B bonnet, radiator, dash, and steering. | ||
| View original record | X7260 BY12/G.10.5.28. PHANTOM BONNET MODIFICATIONS PROPOSED FOR G.2B. Referring to RG/M7.5.28. and Sg2/CM.7.5.28. which deals with the same subject, the matter has been fully discussed between Wor.,… | ||
| 07-page039 | Bonnet designs for the Phantom and 'SS' models, referencing Mr. Royce's views. | ||
| View original record | Hs. from Ev. c. to BY. X7260 EV2/M24. 9.28. RE. BONNETS. PHANTOM & 'SS'. X.7260 X.5280 The views which R. has expressed with regard to the bonnet of India 3, car 12-G-4 also apply to the bonnet of… | ||
| 07-page040 | Standardisation of chassis parts concerning a higher radiator, bonnet, and dash to improve appearance. | ||
| View original record | RR 795 REVISED (10M) (DC 649 9-12-26) SM. 2/1157. X7260 COMPLETED 25.9.28 STANDARDISATION of CHASSIS PARTS. Date 13.7.28 Description of Parts. HIGHER RADIATOR, BONNET & DASH. Origin. To improve… | ||
| 07-page041 | Standardisation document for chassis parts, detailing the implementation of a new part. | ||
| View original record | STANDARDISATION of CHASSIS PARTS X (1) The number of the first chassis on which the new part will be fitted. G.2.B. (2) Date when the chassis will be handed to test. 12.11.28 (3) Cost of scrapped… | ||
| 07-page042 | Modifications to the 'SS' radiator and the related drawing. | ||
| View original record | 47260. BY. from DA. c. to BJ. Hs. DA2/M28.9.28. 'SS' RADIATOR. X.7250 X.7260 Herewith we send N.sch.2727 shewing the outline of the front of the radiator as promised in a previous letter. It will be… | ||
| 07-page043 | New design for bonnet fasteners and a lock, questioning its status and use on upcoming trials cars. | ||
| View original record | Hs. BY. from R. DA/EV. c. to BJ. Wor. Sg. X7260 R3/M6.11.28. 'SS' AND G.4. X.5260 BONNET FASTENERS & LOCK. X.7260 X.1140 ------------------------ Many months ago we worked hard to produce a new design… | ||
| 07-page044 | Recommendation to cut away bonnet strips for easier access to the axle control damper valve cap. | ||
| View original record | To BY. from Hs/Rm. X7260 X7420 Hs/Rm7/LG28.11.28. We observe that on the SS. as at present arranged the bonnet strips obscure one of the valve caps on the axle control damper. This means that a box… | ||
| 07-page045 | Technical review of bodywork and associated details, including wheel carriers, bonnets, horns, and seating. | ||
| View original record | HS. BY. DA/EV. c. to BJ. Wor. Sg. c. to C. LHS. CX. 47260 R1/M10.1.29. X.7830 X.7600 X.7260 BODYWORK, AND ASSOCIATED DETAILS. The double wheel carrier has done extraordinarily well. The newly designed… | ||
| 07-page046 | New bonnet lock and whether it should be a standard feature or an optional extra on SS cars. | ||
| View original record | W/S. (C). X7260 c. Hs. BY3/G.11.2.29. BONNET LOCKS. -------- Mr. Royce has arranged a special bonnet lock, which whilst the key is inserted in the keyhole slot in the centre of the bonnet two locking… | ||
| 07-page047 | Finishing of parts for Open Car No. 23-EX by the Carlton Carriage Co. | ||
| View original record | W S/W. (Hs) Copy to EV. X7260 Cx/Hn5/EDI/11-2-29. OPEN CAR NO. 23-EX. The Carlton Carriage Co. are very anxious to receive the bonnet and wire wheels for the above. To the tops of the sides of the… | ||
| 07-page048 | The despatch of a bonnet for car 23-EX to the Carlton Carriage Co. | ||
| View original record | W/S. Cx/Hn. from Hs/AJL. c. to DA/EV. 47260 Hs/AJL2/LG12. 2. 29. X7260 X7810 RE. OPEN TOURING BODY FOR 23-EX. We are despatching the bonnet for the above car to the Carlton Carriage Co. today, in… | ||
| 07-page049 | Fitting louvered bonnets to 'SS' model cars for use in tropical or mountainous countries. | ||
| View original record | X7260 To BY. from Hs/Rn. Hs/Rm1/LG10.6.29. 'SS' BONNETS. Will you please note that provision should be made for fitting loured bonnets to the SS. whenever a car is to be used in tropical or… | ||
| 07-page050 | The preparation and issue of detail drawings for louvred bonnets for the S.S. chassis. | ||
| View original record | Secret Hs. X7260 BY/Cgh18/G.12.6.29. S.S. BONNETS. ---------------- With reference to Hs/Rm1/LG.10.6.29. we have already prepared detail drawings for louvred bonnets for the SS. chassis, and these are… | ||
| 07-page051 | Push-type bonnet catches working loose and proposing a locking device. | ||
| View original record | X7260 To R. from Hs/GWH. c. to Sg. Wor. c. to E. Ba. c. to Ry. Hs/GWH/MJ13.8.29. X 7260 X 1140 "S.S." Bonnets to LOP.A78559 with Push type catches to NS2464. We had during the tests in France,… | ||
| 07-page052 | Proposed Hooper Faux Cabriolet on a Phantom II chassis for the Riviera Trials. | ||
| View original record | COPY. X7260 BY. From EV. EV2/11.11.29. c. to Sg. Hs. X.7830 X.7260 X7120 RIVIERA TRIALS FAUX CABRIOLET. PHANTOM II. HOOPER. We send herewith N.Sch.2942 and N.Sch.2943 shewing the Hooper Faux Cabriolet… | ||
| 07-page053 | The design of a new bonnet lock for the Phantom II, questioning why it was not standardised. | ||
| View original record | O. from Da/EV. c. By. Hs. c. EP. JLE. X7260 Da/EV2/M26.11.29. X.7260. PHANTOM II BONNET LOCKS. With reference to the correspondence on this subject we would point out that when we designed the new… | ||
| 07-page054 | The potential adoption of a new bonnet lock for the Phantom II, based on an example fitted to car 10-EX. | ||
| View original record | To C. from Hs. DB/EV. c. JLE. c. Hy. c. EP. X7260 HsS/AD30.1T.29. PHANTOM II BONNET LOCKS. A new type bonnet lock mentioned by DB/EV2/M26.11.29. is fitted to 10-EX car which is at present being used… | ||
| 07-page055 | Difficulties of the present Phantom II bonnet locks and a comparison with the locks on the 10-EX car. | ||
| View original record | Hs. X7260. EP10/H4.12.29. re. PHANTOM II. BONNET LOCKS. With reference to your HS3/AD30.11.29. I shall be pleased to demonstrate the difficulties of the present bonnet lock to you on a finished… | ||
| 07-page056 | Similarities and anticipated problems with the Phantom II bonnet locks. | ||
| View original record | X7260. S/W. Hs. C. EP. LE2/H.10.12.29. X.8774 X.7260 PHANTOM 11 BONNET LOCKS. With reference to Hs/AD/30.11.29. I understand that EP. has gone into the question with you. It would appear that the… | ||
| 07-page057 | Design revisions for the radiator, bonnet, and dashboard of a Phantom II for Sir Henry Segrave. | ||
| View original record | To Sg. From EV. c. to C. Hs. By. X7260 EV1/31.1.30. RE: REVISED RADIATOR BONNET & DASH. SIR HENRY SEGRAVE. PHANTOM 11. X.7250 X.7260 X.7500 X.7770 I saw this car at the Weymann Works last night. I… | ||
| 07-page058 | Follow-up communication regarding sending a modified dashboard shape to Derby. | ||
| View original record | -2- In the course of the next two days we will send you to Derby the modified shape of dashboard. The modification is quite simple, the radiator being unchanged. EV. [Handwritten Note] For Cont… | ||
| 07-page059 | Proposed method for carrying road tools on the Phantom II chassis bonnet. | ||
| View original record | To PHC c. Hs/Lid. LID 17260 BY/CS13/EH.5.9.33. Re Phantom II Chassis - Bonnet - Section 5260. Proposed Method of carrying Road Tools on Left Hand Side R.R.Sch.425. With reference to our memo'… | ||
| 07-page060 | Revisions to the bonnet and dash design for the Phantom II. | ||
| View original record | TO _BE._ FROM EV. EV1/4.2.30. x7260 x7880 x7500 x7770 COPY TO _SS. HS. DN._ _REVISED BONNET & DASH._ _PHANTOM 2._ You will have seen our criticisms of the bonnet, radiator and dash fitted to Sir Henry… | ||
| 07-page061 | Expressing urgency for the production of an improved bonnet panel stop for 40/50 HP cars. | ||
| View original record | S/W(B) c. to Nor.C. c. " PH. HY. c. " HS. AP. Hs. x7280 Cx12/A32R.2.8.23. Re- 40/50 h.p.Bonnet Panel Stops. We are very anxious to have the benefit of the improved design of panel stop, as soon as… | ||
| 07-page062 | Standardisation of parts document for Bonnet Stops. | ||
| View original record | RR 755 (5H) (52674, 16-10-33) BM. 9/262/c. X7260. Completed 9.1.34 40/50 STANDARDISATION of PARTS. Date 6.12.33 X No. 1140. 7260. Drawing No. LeC. Part List 3537. Description of Parts. BONNET STOPS.… | ||
| 07-page063 | Blank, yellowed page from the archives. | ||
| View original record | ", | ||
| 07-page064 | Revised bonnet and dash for the Phantom, arguing against a tapered radiator design. | ||
| View original record | TO SG. FROM EV. COPY TO C. BY. HS. RE REVISED BONNET AND DASH PHANTOM ". ------ EV2/10.2.30. X.7250 X.7260 X.7500 X.7830 We agree that the Segrave bonnet and dash were not a success. We thought that… | ||
| 07-page065 | Design modifications to the radiator, frame and bonnet in response to competitors and coachbuilder feedback. | ||
| View original record | (2) To counteract this, coachbuilders are cutting down the headroom by 1.000 ins. and so cramping the rear seats. Secondly, we have always been inferior in this respect to many other people due to the… | ||
| 07-page066 | Proposed modifications to the Phantom II bonnet and dash, including the radiator and waist line. | ||
| View original record | To EV. From Sg. c.c. to C. By. Hs. x7260 Sg17/Els.2.30. X.7500 X.7260 X.7250 X.7830 X.7770 Re. Revised Bonnet and Dash Phantom II. I am in receipt of EV2/10.2.30. It does not seem to have been the… | ||
| 07-page067 | Unsatisfactory bonnet and dashboard for the Phantom II as fitted to Sir Henry Segrave's car, and the plan to review a modified design. | ||
| View original record | x7260 BY. From EV. c. to Hs. c. to Sg. EV.10/JL.27.2.30. X.7260 X.7500 X.7250 X.7830 X.7770 Re: Improved Bonnet and Dashboard - Phantom ll. After seeing the bonnets, radiator and dash as shewn on… | ||
| 07-page068 | Proposed modified bonnet, radiator, and dash for the 20/25 HP and Phantom II models. | ||
| View original record | X7210 To HS. from EV. EV1/14.3.30. X7210 X7850 X7500 X7830 X7770 P.2. Re: PROPOSED MODIFIED BONNET RADIATOR & DASH. We thank you for your Cx/Hn18/LDI/13.3.30 re the above. You will recollect that at… | ||
| 07-page069 | The need to send the bonnet to the coachbuilders for moulding and cellulosing to ensure a correct body colour match for an Experimental Phantom II Limousine. | ||
| View original record | -> Hs. at W. Copy to EV. l.j X7260. Hn7/EDI/26-4-30. EXPERIMENTAL P.II. No. 2. - R. R. A. I. PARK WARD ENCLOSED LIMOUSINE We really think that if it is at all possible you should send along to the… | ||
| 07-page070 | Delay in providing bonnets for the 20 HP and Phantom II models until the chassis have been built and fitted. | ||
| View original record | Hn. From HS/Rm. c. to EV. X 7260 Hs/Rm.4/MJ.28.4.30. Ref: to Hn6/EDL/26.4.30, and Hn7/EDL/26.4.30. With reference to the bonnets that you are asking for, for the 20 HP. and Phantom 11. As soon as ever… | ||
| 07-page071 | Scuttle isolation and dashboard modifications for a Phantom II experimental car, referencing drawing N.Sch.3093. | ||
| View original record | X7260 To Hy. from EV. V. Sg. Hs. EW2/28.4.30. X.4613 X.7380 X.7260 SCUTTLE ISOLATION 38.500 DASH. PHANTOM II We send herewith N.Sch.3093, shewing the scuttle armature and the front end of the subframe… | ||
| 07-page072 | Clarifying design specifications for a bonnet's projection over the dashboard following a conference. | ||
| View original record | DA/EV. c. Sg. (struck through) c. Hs. ------- V7260. BY15/G.2.5.30. Referring to EV2/28.4.30. we are somewhat at a loss to understand the last paragraph. The information has evidently been conveyed to… | ||
| 07-page073 | Modifications to the bonnet for the Phantom II model. | ||
| View original record | X7260 SECRET. To Ev. from Ev. c. Sg. Hs. BY. EV2/7.5.30. X7260 X7830 MODIFICATIONS TO BONNET, PHANTOM II. We send herewith N.sch.3096, shewing modifications to the P.2. bonnet, the chief of which is… | ||
| 07-page074 | Bonnet fitting, specifically the isolation gap and movement relative to the dashboard and scuttle. | ||
| View original record | X 7260 Hs. From Da/Ev. C. By. OY. Da/Ev2/14.5.30. X.7260 X.7772 X.46131 P.2. L.H. BONNET. When sending you our N.sch. 3095. we said that we thought the bonnet could not project more than .075 beyond… | ||
| 07-page075 | Introduction of an improved bonnet lock, its extra cost, and the plan for its implementation. | ||
| View original record | H.S. To Wor. from Sg. re Copy to BY. Hs. Gx. Referring to former correspondence and discussions relative to the introduction of the improved type of bonnet lock at the extra cost of approximately 25/-… | ||
| 07-page076 | Supply of bonnet locks for 40/50 HP and 20/25 HP chassis. | ||
| View original record | Sg. Wor. Hs. Cx. x7260 x5260 BYL/N.2.6.30. Re: Bonnet Locks Referring to Sg4/E/28.5.30, I have made enquiries in regard to the position of our orders for bonnet locks for the 40/50 HP. and 20/25 HP.… | ||
| 07-page077 | Request for a louvred bonnet and standard shutters for car 19-EX for cooling tests. | ||
| View original record | RHC. From Hs/Rm. Hs/Rm.2/MJ.13.6.30. 19-EX. LOUVRED BONNET. We are anxious to obtain a pair of louvred sides for the bonnet of 19-EX with a view to some cooling tests. We should also like a pair of… | ||
| 07-page078 | Cooling system tests on a Phantom II car at Brooklands in June 1930. | ||
| View original record | X7260 To R. from HS/Sm. c. Sk. Wor. c. Da. E. c. By. RG. c. Lr. HS/Rmi/MJ25.6.30. X.788 X.786 X.7250 X.7260 X.7220 X.7731 X.7772. BROOKLANDS TESTS JUNE 17th to 20th 1930. We took 19-EX car to… | ||
| 07-page079 | Engine cooling tests, comparing the effectiveness of various ventilation methods such as bonnet shutters and undershields. | ||
| View original record | -2- HS/WH/MJS.6.30. contd. it. Therefore, in order to establish a basis of comparison for all conditions, the car was driven at a constant speed of 62 M.P.H. round the track until the heat dissipated… | ||
| 07-page080 | Analysis of engine cooling performance, proposing ventilated bonnets for cars in hot climates and discussing radiator variations. | ||
| View original record | -3- We think that it is essential to fit ventilated bonnets to cars going to hot climates because the critical atmospheric temperatures at which the car will boil is certainly at least 10°C. lower… | ||
| 07-page081 | Test report on high oil temperatures, ignition issues, petrol supply, and lap speeds for cars 18-EX and 19-EX. | ||
| View original record | HS/ml/MT25.6.30 Contd. -4- reaches is rather excessive (Graph (4). We have recorded temperatures as high as 110°C. after a prolonged burst of speed on the track with atmospheric temperatures of only… | ||
| 07-page082 | Vehicle performance testing, attributing the slow speed of an American car to various factors and comparing it to models 18-EX and 19-EX. | ||
| View original record | HS/Rml/M.25.6.30 contd. -5- might be worth certification by the track authorities for sales propaganda. We traced the inferior performance of 18-EX to a tighter engine by allowing the cars to come to… | ||
| 07-page083 | Water circulation and cooling system tests, including a comparison with the American Phantom II model. | ||
| View original record | the tests, and ascertained that it was subjected to the correct tension. We compared the radiator temperature in this condition with the fan belt tightened since a bloc and were surprised to note a… | ||
| 07-page084 | Summary of development work on bonnet ventilation, fan efficiency, and radiator design for the Phantom II model. | ||
| View original record | He/Rml/MW25.6.30 contd. -7- advance or fan, but we are confident that it will be up to standard on the present 10,000 milestest. SUMMARY. Bonnet ventilation. Phantom II requires as much ventilation as… | ||
| 07-page085 | The necessity of fitting ventilated bonnets to cars for high-speed use on the Continent and English roads. | ||
| View original record | Hs/Rml/MJ/25.6.30 contd. -8- special motor roads, all encourage high speeds. We know of no big car used on the Continent that does not fit ventilated bonnets. Therefore, whilst we are better off for… | ||
| 07-page086 | Graph plotting temperature changes for top water, bottom water, and oil against miles run under specific test conditions. | ||
| View original record | GRAPH I TEMP. C° 90° 80° 70° 60° MILES RUN. TOP WATER OIL BOTTOM WATER 19 E.X. 14 x 52 AXLE 62 M.P.H. 6 7/m 7 1/2 /m RAD. NO BONNET VENTILATION. ATS TEMP. 24°C. | ||
| 07-page087 | Graph detailing the ambient temperature at which a Standard Phantom II Cabriolet will overheat under various ventilation test conditions. | ||
| View original record | GRAPH II STANDARD P.II CABRIOLET 19 E.X. AXLE RATIO 14x52 WT. 48 CWT EMPTY TEMP. AT WHICH CAR WILL OVER-HEAT EVENTUALLY. (100°C - TOP WATER TEMP) Ambient Temperature Scale: 10°C, 20°C, 30°C, 40°C,… | ||
| 07-page088 | Graph plotting top and bottom water temperatures under various bonnet and shutter configurations at 62 M.P.H. | ||
| View original record | GRAPH III. STANDARD REAR BONNET SHUTTERS OPEN FRONT UNDERSHIELD OFF FRONT BONNET SHUTTERS OPEN ALL SHUTTERS OPEN LOUVRED BONNET LOUVRED BONNET FRONT PAN OFF TOP WATER TEMP BOTTOM WATER TEMP SPEED 62… | ||
| 07-page089 | Graph plotting oil and top water temperatures against miles run under various car operating conditions. | ||
| View original record | GRAPH IV 62 M.P.H. C.O. CLOSED ATS TEMP 20°C CAR OPENED FULL OUT C.O OPEN 83 M.P.H. OIL TEMP TEMP C° 100° 90° 80° 70° TOP WATER VENTILATED UNDERSHIELD ALL BONNET SHUTTERS OPEN MILES RUN 25 30 35 | ||
| 07-page090 | Bar chart comparing critical air temperatures for spring tensioned versus positively tensioned fan belts. | ||
| View original record | GRAPH V. 19 E.X. 62 M.P.H. NO BONNET VENTILATION COMPARISON OF SPRING TENSIONED FAN AND FAN BELT TENSIONED POSITIVELY. CRITICAL ATS TEMP 10°C 20°C 30°C 40°C SPRING TENSIONED 40.5 BELT TIGHTENED CHOC à… | ||
| 07-page091 | Graph comparing the top water temperature of experimental setups 18 E.X. and 19 E.X. against miles run. | ||
| View original record | GRAPH VI TOP WATER TEMP °C MILES RUN. 18 E.X. 19 E.X. OPENED UP TO FULL THROTTLE COMPARISON OF 19 E.X. AND 18 E.X. 6 7/m 7 1/2 m/m RAD. 62 M.P.H. TOP WATER. TEMP. NO BONNET VENTILATION. ATS TEMP 24°C. | ||
| 07-page092 | Blueprint detailing a modification to a front undershield to improve the cooling system. | ||
| View original record | MODIFICATION TO IMPROVE COOLING SYSTEM. CUT AWAY FRONT UNDERSHIELD STANDARD FRONT UNDERSHIELD | ||
| 07-page093 | Tests of completed cars, specifically concerning issues with the P.2 bonnet material being too soft and bending, with a suggested improvement for the stiffeners. | ||
| View original record | EXTRACT FROM :- v7260 BY.) FROM DA/EV. HS.? DA/EV1/M26.6.30. c. to ZP. JLM. c. to C. E. REPORT ON TESTS OF COMPLETED CARS. X.7770. X.5770. (10). Concerning P.2 bonnet we are repeatedly having it… | ||
| 07-page094 | Scheme for a concealed bonnet side hinge for the P.2. and 25 HP models. | ||
| View original record | X7260 By. from Da/Ev. c. Sg. Hs. c. C. Oy. Da/Ev1/M28.6.30. CONCEALED BONNET SIDE HINGE P.2. and 25 HP. X. 7260 X. 5260 We send herewith N. schemes 3126 and 3127 shewing a scheme for covering over the… | ||
| 07-page095 | Extract from a report on tests of completed cars regarding the difficulty of producing louvered bonnets from a harder material. | ||
| View original record | EXTRACT FROM :- BY/CghS/G.5.7.30. R7260 REPORT ON TESTS OF COMPLETED X.5770. CARS. X.7770. ---------------------------- With reference to Da/Evl/M.26.6.30., we give below our reply to the various… | ||
| 07-page096 | Second report on Brooklands radiator tests, detailing fuel supply and autovac performance. | ||
| View original record | To R. from Hs/Rm. c. Sg. Wor. c. Da. S. c. Hy. Rg. c. Lr. X7210 Hs/Rml/MJ9.7.30. X.788 X.766 X.7250 X.7260 X.7220 X.7771 X.7510 X.7772 BROOKLANDS RADIATOR TESTS. SECOND REPORT. We carried out a… | ||
| 07-page097 | Vehicle performance issues related to high temperatures and fuel supply, specifically concerning the vacuum pump. | ||
| View original record | -2- HS/Rml/MJ9.7.30 contd. temperature of the air intake to the carburetter. With an atmospheric temperature of 24°C. the air intake reached 50°C. at 75 M.P.H. As soon as the car was stopped this… | ||
| 07-page098 | Cooling system fan belt performance and fuel mixture strength issues at high speeds. | ||
| View original record | Hs/RmL/MJS.9.7.30 contd. -3- by such leaks in service has been brought to our notice. COOLING SYSTEM - FAN - We confirmed our previous result that the standard spring loaded whittle belt is incapable… | ||
| 07-page099 | Tests concerning pre-ignition, fuel supply, and radiator design improvements. | ||
| View original record | -4- pre-ignition and over-heating. The simplest way of overcoming this is to run on the reserve. This trebles the period of full throttle work before shortage takes place. The larger drop valve to the… | ||
| 07-page100 | Engine cooling circulation tests, analyzing water temperature under various conditions and speeds. | ||
| View original record | -5- CIRCULATION. We conducted tests on the track restricting the circulation until the system lost efficiency to the extent of about 2°C. top water temperature. The flow under these conditions is… | ||
| 07-page101 | Report discussing car overheating issues, cooling system performance, and the effects of various driving conditions. | ||
| View original record | -6- efficient fan, a rich mixture and a ventilated bonnet the car should not over-heat at air temperatures below 35°C. when driven all out continuously in still air, and if driven at 75 M.P.H.… | ||
| 07-page102 | Recommendations for improvements to the fan belt, autovac, bonnet shutters, and cooling system, with proposed tests for the Phantom models. | ||
| View original record | -7- Our recommendations for improvement are - (1) Improved fan belt. Standardisation sheet circulated. We are so dependent on this that we think the drive might receive design consideration. (2)… | ||
| 07-page103 | Graphs showing the results of cooling system tests, examining the effect of fan configuration, speed, and ventilation. | ||
| View original record | GRAPH I A. NO FAN STANDARD SPRING TENSIONED WHITTLE BELT WHITTLE BELT TIGHTENED CHOC A BLOC BELT CHOC A BLOC AND FAN 1" NEARER RAD. TEMPERATURE C° 85° 80° 75° TOP WATER TEMP. BOTTOM WATER TEMP. ATS… | ||
| 07-page104 | Graphs illustrating the effect of water circulation on engine overheating under various conditions. | ||
| View original record | GRAPH II EFFECT OF CIRCULATION ON OVERHEATING 19 EX. CAR A BACK PRESS. CAUSED BY RESTRICTION 15 LBS/SQ' WATER OUTLET FROM THE CYL: BLOCK RESTRICTED TO 23-.125 HOLES TOP WATER TEMP ATS TEMP 20°C… | ||
| 07-page105 | Graph of top and bottom water temperatures plotted against seven different engine cooling configurations during a Brooklands test. | ||
| View original record | GRAPH III TEMPERATURE C° TOP WATER TEMP BOTTOM WATER TEMP (1) FULL WEAK NO FAN (2) AS (1) BUT MIXTURE NORMAL NO FAN. (3) AS (2) BUT FAN SPRING LOADED (4) AS (3) BUT FAN BELT CHOC À BLOC. (5) AS (4)… | ||
| 07-page106 | Graph showing the effect of temperature on complete car circulation. | ||
| View original record | GRAPH IV EFFECT OF TEMP. ON COMPLETE CAR CIRCULATION. RADIATOR E. 79951 CIRCULATION GAL/MIN FLOW GAL/MIN DEPRESSION ON SUCTION SIDE OF THE PUMP INS HG. 2500 ENGINE R.P.M BOTTOM WATER TEMP. C°… | ||
| 07-page107 | Cooling tests for 25 HP and 40/50 HP models, focusing on radiator tube size and design. | ||
| View original record | X.7260 To R. From Hs/Rm. c. SG. c. Wor. c. Ev. C. Hs/Rml/ADLO.7.30. X788 X766 X7250 X5250 X7260 COOLING TESTS 25 H.P. and 40/50 H.P. With reference to R2/M.7.30. R1/M.7.30. You will see from our 2nd… | ||
| 07-page108 | The upcoming test of a square tube radiator and track comparisons with other cars. | ||
| View original record | HS/hml/AMO.7.30. contd. -2- The square tube radiator will be run on our next test. We think comparisons with other cars would be invaluable, but to be of any use they will have to be carried out on… | ||
| 07-page109 | Optimal size of radiator tubes for engine cooling and related effects on the carburetter. | ||
| View original record | Hs. from R. c. Sg. c. Wor. By. X7260. R1/M14.7.30. X.7250 X.766 X.7260 RE - CAR WORK. It appears from your memo. Hs/Rnl/MJ9.7.30. that you have tested smaller radiator tubes than the 6 mm. standard. I… | ||
| 07-page110 | Extract discussing issues with P.2 bonnets, including scuttle gap uniformity and louvred panel construction. | ||
| View original record | EXTRACT FROM :- X.7260. DA/EV.1/M15.7.30. BY. HS. c. to C. Wor. c. to EP. JBE. X.7770. X.5770. (8) P.2. BONNET In view of the difficulty of keeping the scuttle isolation gap uniform when the bodies… | ||
| 07-page111 | Requesting clarification on the type of bonnet ventilation fitted to car 24-EX in France. | ||
| View original record | COPY. X7260. S/W. To Hs. From Sg. X.7941d. X.7260. Sg.9/D16.7.30. Re. 24-EX. in France. ------------------- Would you please let me know what sort of a bonnet it is from the point of view of… | ||
| 07-page112 | Number of shutter ventilators on a car bonnet and the naming convention. | ||
| View original record | To Sg. From Hs. Hs.1/MJ.18.7.30. 24-EX. Replying to Sg9/D16.7.30. This car is fitted with four shutter ventilators - two at the front, and two at the rear. The present standard is two rear shutters… | ||
| 07-page113 | The approval and standardisation of an altered bonnet and dashboard for the Phantom II car. | ||
| View original record | S/W. (DY.) o. to Wor. [struck through] c. to Hs. c. to Cx. [struck through] c. to Whr. [struck through] Hs. x 7260. Sg5/D18.7.30. x7772 x7260 x7500 Re: Alteration to Bonnet and Dashboard. We have seen… | ||
| 07-page114 | Design of a 2nd L.H. P.2 model for the American market, focusing on the bonnet, instrument board, and front apron. | ||
| View original record | Sg. from Da/Ev. c. Hs. Da/Ev2/M21.7.30. X.7772 X.7260 X.7530 X.4531 2nd. L.H. P.2. FOR AMERICA. This car came to WW, and the appearance of the bonnet, radiator, and dash, was approved by R. and… | ||
| 07-page115 | Alteration to the bonnet and dash for the 'N2' series chassis. | ||
| View original record | COPY. Sg. Wor. Hs. Cx. Whr. x) 7260. X.7772. X.7260. X.7500. BY/Cgh.18/W.22.7.30. Re. Alteration to Bonnet and Dash. ---------- With reference to Sg5/D.18.7.30. material which would be affected by the… | ||
| 07-page116 | Approval and standardisation of components for the Second L.H. P.2 model for America. | ||
| View original record | COPY. Y7260 To Ev. From Sg. c. to HS. Sg.3/D22.7.30. X.7772. X.7260. X.7530. X.4531. Re. Second L.H. P.2 for America. Thanks for DA/EV2/M21.7.30. Hs. called here and saw me on his way back to Derby… | ||
| 07-page117 | Expediting an approved alteration to a bonnet and dash, which is for appearance rather than technical reasons. | ||
| View original record | S/W. COPY. X7260. To BY. From Sg. c. to Wor. c. to Hs. c. to Cx. c. to Whr. Sg.6/D23.7.30. X.7772. X.7260. X.7500. Re. Alteration to Bonnet and Dash. I am in receipt of By/Cgh.18/W22.7.30. Everyone… | ||
| 07-page118 | Impracticality of bonnet shutters and suggesting an improved, more easily operated design. | ||
| View original record | x7260 S/W. To Hs. from Sg. X1085 Sg10/D30.7.30. Re: Shutters in Bonnets. Brooklands report In Hs/Rm2/MJ.22.7.30 it says: "The trouble is that most of our cars have shutters not louvres fitted, and… | ||
| 07-page119 | Query regarding omitting side bonnet ventilators on a Left Hand Phantom Two. | ||
| View original record | S/W. To Hs. from C. Oy. telegraphs as follows:- " SIDGREAVES HAS HIVES FOUND IT POSSIBLE OMIT SIDE BONNET VENTILATORS ON LEFT HAND PHANTOM TWO SEE MEMO OY FIVE JULY THIRD?" Have you any information… | ||
| 07-page120 | Update on investigations concerning shutters in bonnets. | ||
| View original record | RECEIVED S/W AUG 25 1930 HS X)260. To Hs. from JS. re Shutters in Bonnets. JS2/E25.8.30 As Sg. is expected back shortly, would you kindly let me know whether there is anything to report to him in… | ||
| 07-page121 | From C. to Hs. requesting an update on a matter following a cable from Oy. | ||
| View original record | x7260 S/W. To Hs. from C. C3/D23.8.30. With reference to my C11/D21.8.30, I should be glad to know if you have anything to say in this matter as we have received a cable from Oy. and would like to… | ||
| 07-page122 | Number and placement of shutters on Phantom bonnets for cooling. | ||
| View original record | W/S. C. From Hs. Hs.2/MJ.29.8.30. PHANTOM BONNETS. Replying to G11/D21.8.30. In reply to Oy's query whether we have found it possible to omit shutters in bonnets, we have not found it possible to do… | ||
| 07-page123 | Methods to mitigate radiator water loss on the Phantom II model. | ||
| View original record | Hs. } From R. Ev. } C. Sg. Wor. X7260 R1/M31.8.30. E.7770 X.7250 .7250 PHANTOM II. LOSS OF RADIATOR WATER After asking Ev. to compare the capacities of the old and new radiator tanks we have come to… | ||
| 07-page124 | Report discussing the design of square tube radiators and improvements to bonnet ventilation. | ||
| View original record | -2- SQUARE TUBE RADIATOR. Concerning this, I naturally had a funk that this would not be as effective as the round tube type. It has proved to be practically equal. We have not however, carried it out… | ||
| 07-page125 | Poor quality of the current bonnet lock and vertical louvres, requesting new parts. | ||
| View original record | R1/M31.8.30 contd. -3- and only requires our own design of bonnet lock to make it thoroughly satisfactory, the present bonnet lock being putridly bad, and defeating the very object of our new… | ||
| 07-page126 | Brief typed acknowledgement regarding Phantom Bonnets. | ||
| View original record | X7260. S/W Hs. RECEIVED [stamp] SEP 2 1930 [stamp] Phantom -------- Bonnets [stamp] C6/01.9.30. Thanks for your Hs2/MJ29.8.30 and I am advising OY. accordingly. C. | ||
| 07-page127 | Overheating issues with the Phantom II model and the efficiency of its bonnet cooling ventilators. | ||
| View original record | To Hs. from Sg. c. Wor. C. X7260 Sg24/E1.9.30. X.766 X.1085 X.7260 P.II. COOLING. You will remember that ever since I came back from America I have been expressing views to the effect that I thought… | ||
| 07-page128 | Technical explanation of the cooling system design and the reasons for potential overheating in a Phantom II. | ||
| View original record | To Sg. from Hs/Rm. c. Wor. C. c. PN. H. EP. c. MX. Hd. By. X 7260 Hs/Rml/An2, 9.30. 1566 X7250 X7260 3875 OVERHEATING - PHANTOM II. We suggest that the following information might be given to a… | ||
| 07-page129 | Instructions regarding the instrument board warning lamp, cooling system boiling, and bonnet ventilation for hot climates. | ||
| View original record | -2- (1) The red lamp which is fitted to the instrument board is put there to prevent the driver forgetting to open his radiator shutters. When the red lamp lights it does not mean that the car cannot… | ||
| 07-page130 | Instructions on the engine's red warning lamp behavior and running with the cut-out open on Continental roads. | ||
| View original record | -3- (3) On Continental roads, benefit can be derived from running with the cut-out open. The main point to bear in mind is that the periodic lighting of the red lamp in exceptionally warm weather… | ||
| 07-page131 | Retention of front and rear shutters for the Phantom II cooling system to address petrol heat issues. | ||
| View original record | To Sg. From Hs. c. to Hgr. c. to C. X7-60 HS.5/ELT.3.9.30. x966 x10KS n-60 PHANTOM II COOLING. Re. Sg24/El.9.30. It was all arranged on the Experimental Dept's recommendation that the front shutters… | ||
| 07-page132 | Deletion and painting process of bonnet shutters. | ||
| View original record | COPY. To Hs. From R. c. to BJ. BY. R3/M9.7.27. BONNET SHUTTERS. We understand it is agreed to delete the back shutters. Da. will provide a less expensive scheme; the original one was made when we… | ||
| 07-page133 | Confirming decisions on the design of 40/50 HP bonnets, specifically regarding shutters and louvres. | ||
| View original record | COPY. To C. From B.J. c. to Ss. c. to Wor. c. to R. c. to By. c. to Ms. 40/50 HP. BONNETS. Confirming a conversation I had with R. yesterday. It was decided: a. That there shall only be one shutter… | ||
| 07-page134 | Effects of removing rear shutters on engine cooling efficiency. | ||
| View original record | COPY. to B.J. From Hs. c. to R. Hs6/LG30.6.27. With reference to BJ16/127.6.27. We think that there should be no objection to deleting the rear shutters on the present standard car not intended for… | ||
| 07-page135 | Standardisation of chassis parts for an improved type of bonnet lock to overcome customer complaints. | ||
| View original record | RR 755 REVISED (IOH) (DF 687 4-1-29) BM. 2/5943. X7260. COMPLETED 16.9.30. STANDARDISATION of CHASSIS PARTS Date 17.12.29 Description of Parts. IMPROVED TYPE OF BONNET LOCKS. Origin. To overcome… | ||
| 07-page136 | Proposed and recent modifications to the vehicle's cooling system, including shutters, overflow valves, radiators and louvres. | ||
| View original record | X7260 HS. FROM R. R4/M1.10.30. C. to SG. WOR. BY. P. 2. COOLING. X.7260. X.766. X.7250. X.1085. C. to E. DA. C. We were very pleased to see that some of the features we have suggested have been made,… | ||
| 07-page137 | Instruction memo to stop the 25HP flywheel and clutch job and modify the bonnet louvres. | ||
| View original record | HS. FROM R. X7260 RL/M11.10.30. X.634. X.5300. X.7260. Kindly note the following:- (1) The 25HP. flywheel and clutch job should be stopped. (2) The horizontal louvres on the bonnet should be… | ||
| 07-page138 | New louvred bonnet design, scheme 3153, with horizontal louvres. | ||
| View original record | M/260 BY. FROM DA. DA2/M11.10.30 Copy to SG. Copy to HS. P. 2. LOUVRED BONNET. We send herewith N. scheme 3153. shewing a view of a bonnet side having horizontal louvres very similar to those seen on… | ||
| 07-page139 | Request for a progress update on three experiments concerning pedal stems and bonnet designs. | ||
| View original record | HS. FROM DA/EV. COPY. X7260 DA/EV3/M11.10.30. X. 7470. X. 5260. X. 7260. We would be glad if you could tell us the state of progress of the following experiments: (1) Adjustable pedal stems - P.2.- N.… | ||
| 07-page140 | Status update on experiments concerning adjustable pedal stems, concealed bonnet hinges, and Phantom II bonnet modifications. | ||
| View original record | To DA/EV. From Hs. x-60. Hs.3/J.13.10.30. X. 7470. X. 7260. X. 5280. Replying to DA/EV3/11.10.30. The position of the experiments you ask for is as follows :- (1) Adjustable Pedal Stems. P.II. These… | ||
| 07-page141 | Design improvements for radiators, bonnets, overflow valves, and bonnet vents. | ||
| View original record | HS. } FROM R. BY. } X9260 RL/M14.10.30. Copy to SG. Copy to WOR. Copy to E. DA. EV. RADIATORS & BONNETS. SQUARE TUBES? OVERFLOW VALVE, & BONNET VENT. X.7250. X.5260. X.5250. X.1085. X.7260. X.766.… | ||
| 07-page142 | Proposed modification to the bonnet to improve the body line for a continuous look. | ||
| View original record | X9266 BY. FROM DA/EV. DA/EV2/M16.10.30. C. to SG. HS. re. P. 2. BONNET. X.7260. X.7830. With the change in coachwork fashions Sales and coach-builders have frequently criticised the fact that our… | ||
| 07-page143 | Criticisms and potential improvements for bonnets and radiators. | ||
| View original record | X7260 TO HS. FROM EV. COPY TO BY. E. BONNETS, ETC. We have received various criticisms of our bonnets and radiators. This memo is an attempt to summarise the situation as we see it so that if possible… | ||
| 07-page144 | Design suggestions for a filler cap, horizontal louvres, and bonnet sides. | ||
| View original record | (2) EV1/25.10.30. cont. (h) A quickly detachable filler cap has been suggested. We have one for the petrol tank on N.2.series, but that design would not be suitable for the radiator. It would be… | ||
| 07-page145 | Radiator tubes, bonnet vents and shutter design styles. | ||
| View original record | COPY X7260 To Wor. From Sg. c. to Hs. By. c. to EV. re Radiators & Bonnets. Square Tubes, Overflow Valve and Bonnet Vent. Sg18/E27.10.30 X.7250.X.5260 X.5250.X.1085 X.7260.X.766. I have just seen… | ||
| 07-page146 | Modifying bonnet fasteners for the Phantom II model to prevent lifting on bad roads. | ||
| View original record | 4260 BY. From Hs/AJL. Hs/AJL.1/MJ.27.10.30. P.11. BONNET FASTENERS. We find that the Phantom ll bonnet lifts considerably when running over a bad road. This effect is most pronounced on cars having… | ||
| 07-page147 | Design and performance of radiators and bonnets, comparing square tubes to round tubes. | ||
| View original record | COPY. X7260 To Wor. From Hs/Rn. Hs/Rn.1/MS30.10.30. Re. Radiators and Bonnets. X.7250. X.1085. X.5250. X.766. X.7260. X.5260. With reference to Sgl8/E.27.10.30. We think that the real facts that R.… | ||
| 07-page148 | Instructing a new, stronger spring for the 40/50 HP chassis bonnet catch. | ||
| View original record | WOR. c. Hs/Rm. 87-60 BY1/G.5.12.30. 40/50 HP. CHASSIS - BONNET CATCH. In response to a request from Mr. Lidsey, we had already instructed a spring giving 100% increase on the load, which follows the… | ||
| 07-page149 | The preparation of two different bonnet types, one welded steel and one riveted aluminium, for the 25-EX car. | ||
| View original record | RHC. From Hs/Rm. x7260. Hs/Rn.3/MJ.10.1.31. BONNETS. Sg. has asked us to prepare two bonnets - one of sheet steel welded, thus eliminating all the rivets, the second of aluminium with counter-sunk… | ||
| 07-page150 | Inquiring about the status of updating to modern bonnet ventilators. | ||
| View original record | [Handwritten top left: HS] [Stamped: RECEIVED 4 FEB 1931] [Handwritten top centre: η=60] To Hs. from Sg. Copy to Wor. BY. E. DA. re 40/50 - P.II. Sg3/E4.2.31 Would you please let me know how we stand… | ||
| 07-page151 | Implementation of a 100% stronger spring for the Phantom bonnet catches to eliminate rattles. | ||
| View original record | To By. From Hs/GWH. X7260. Hs/GWH.2/KT.4.2.31. We have been trying the 100% stronger spring in the Phantom bonnet catches to eliminate bonnet rattles. We are satisfied that they are an improvement,… | ||
| 07-page152 | The development of new bonnet ventilators for the Phantom II model. | ||
| View original record | To Sg. From Hs. c. to Wor By. c. to E. Da. x7-60. Hs.7/KT.5.2.31. PHANTOM II BONNET VENTILATORS. Replying to Sg.3/E.4.2.31., samples of new bonnet ventilators were made up by the Expl. Dept and they… | ||
| 07-page153 | Chasing the progress on designs for the 40/50 - Phantom II model's Bonnet Ventilation. | ||
| View original record | Hs M7-260. To R. from Sg. To BA from Sg. Copy to Hs. ro 40/50 - P.II. Bonnet Ventilation. You will have received a copy of Sg3/E4.2.31 and a copy of Hs's reply, which indicates that the matter is with… | ||
| 07-page154 | Accompanying a rough sketch of a bridge piece for a car bonnet to prevent damage. | ||
| View original record | X7-60.. To Da. From Hs/GWH. c. to EV. Hs/GWH.3/KT.11.2.31. We herewith enclose a rough sketch, at your request, of the bridge piece fitted to the bonnet, to prevent damage upon opening and shutting of… | ||
| 07-page155 | Standardisation of chassis parts including a shallow tank radiator, wider dashboard and overlapping bonnet. | ||
| View original record | RR 755 (10M) (3-7-30) BM. c/2571. X7260. COMPLETED 11.2.31. STANDARDISATION of CHASSIS PARTS. Date 24.7.30. Description of Parts. SHALLOW TANK RADIATOR, WIDER DASH-BOARD AND BONNET OVERLAPPING… | ||
| 07-page156 | Standardisation of chassis parts to revert to four ventilating panels in the bonnet to reduce overheating. | ||
| View original record | RR 786 REVISED (10H) (DG 348 19-7-29) BM. 6/643. COMPLETED 11.2.31. STANDARDISATION of CHASSIS PARTS. Date 10.7.30. Description of Parts. REVERT TO FOUR VENTILATING PANELS IN THE BONNET. Origin. To… | ||
| 07-page157 | Design assumptions, material specifications, and construction methods for new car bonnets. | ||
| View original record | HS. ) FROM DA/EV. SG. ) C. to BY. WOR. E. re. BONNETS. DA/EV1/M19.2.31. x.7260. X.5260. facts: (1) That nothing be done for 20/25 bonnet. (2) That it is not desired to change the appearance of the… | ||
| 07-page158 | Prints and originals for bonnet ventilators. | ||
| View original record | BY. FROM DA/EV. Copy to - HS. X7260 DA/EV2/M3.3.31. P. 2. BONNET VENTILATORS. we have previously sent prints of N. schs. 3232/3. to Hs., and you have a copy of the letter. We are now sending you the… | ||
| 07-page159 | Requesting a set of new ventilated bonnet shutters for cooling tests on car 19-EX at Brooklands. | ||
| View original record | To RHC. From Hs/Rm. x7260 Hs/Rm.11/MJ.13.4.31. NEW VENTILATED BONNET. X1085 x7260 You will remember that we mentioned to you the other day the new ventilated bonnet shutters for the 40/50. We asked… | ||
| 07-page160 | Standardisation of a revised bonnet with concealed hinges overhanging the dash. | ||
| View original record | RR 788 (10M) (3-7-30) BM. 6/2571. X 7260 COMPLETED 29.4.31. STANDARDISATION of CHASSIS PARTS. Date 13.1.31 X No. 7260 Drawing No. N sch 3126 Part List Description of Parts. Revised Bonnet overhanging… | ||
| 07-page161 | Form detailing particulars for a chassis alteration, including the first chassis number and associated costs. | ||
| View original record | PARTICULARS OF CHASSIS ALTERATION The number of the first chassis on which the new part will be fitted......... N.2. Date when chassis will be handed to test.... --- Cost of scrapped material, if… | ||
| 07-page162 | Fitting stronger springs (E.61914) to the bonnet clips on Phantom II models. | ||
| View original record | 77260. To Hd. From Hs/Les. " EP. NX. " Wor. Hs/Les.1/KT.28.5.31. 8634. P.II. BOOKS. When removing the rear engine feet from customers cars, we consider stronger springs E.61914 should be fitted to the… | ||
| 07-page163 | Tests carried out to ascertain and eliminate bonnet movement and knocks by testing different radiator and engine mountings. | ||
| View original record | To R. From Hs/Les. c. to Sg. Wor. c. to K. Da. c. to Ey. P.II. BONNET MOVEMENT. We have carried out tests to ascertain the movement of the bonnet when driving over un-made roads at low speeds. The… | ||
| 07-page164 | Diagram showing bonnet movement measurements in thousandths of an inch under chassis twist conditions. | ||
| View original record | BONNET MOVEMENT IN .001 INS NEW SIDE FRONT & OFF SIDE REAR ROAD WHEELS RAISED 3" FROM THE GROUND FIG I PII 4 ENGINE FEET SOLID RAD DASH BONNET RADIATOR O.S N.S Measurements: -2, +8, +2, 0, -15, +10,… | ||
| 07-page165 | Bonnet panel clearance on 40/50 & 25 HP models to prevent knocking from frame twisting. | ||
| View original record | BY. FROM DA/EV. Copy to Hs. Xn260 BONNETS - 40/50 & 25 HP. DA/EV1/M11.6.31. X. 7260 X. 5260 We are asked by R. to inform you that he wishes the bonnet side panel to be given a greater clearance… | ||
| 07-page166 | Design and manufacturing of rivetless bonnets, comparing steel and aluminium options. | ||
| View original record | X7260 To Hs. from Ev. c. Sg. E. Ev. EV2/18.6.31. X.385 X.7260 X.5260 RE : RIVETLESS BONNETS. This is to confirm our conversation re the matter of rivetless bonnets by telephone yesterday. You say that… | ||
| 07-page167 | The design and material considerations for aluminium bonnets, including hinges and rivets. | ||
| View original record | -2- Also we fear that as the hinge material of the hinge would not be rustless terrible staining would occur in the case of light coloured cars. ALUMINIUM BONNETS. Our original suggestion of using… | ||
| 07-page168 | The standardisation and modification of P.2 bonnets. | ||
| View original record | X7260 By. from Da/Ev. c. Sg. Hs. HN. Da/Ev1/M20.6.31. X.7260 X.7120. RE P.2. BONNETS. On cars carrying two spare wheels at the side - that is to say, under our new agreement most of our maximum bodied… | ||
| 07-page169 | Design and construction of a rivetless aluminium bonnet for the 20/25 model. | ||
| View original record | XH260 BY. FROM DA/EV. DA/EV2/M23. 6.31. X. 7260 X. 5260 X. 385. Copy to SG. HS. re. BONNETS. We have already outlined to you a means of building up a steel bonnet for the 20/25, using electric spot… | ||
| 07-page170 | The supply of drop-sided bonnets in relation to spare wheel placement on various chassis models. | ||
| View original record | AJL S/W HS. 17260. 87260. 87120. DA/Ev. c. to BY. Sg. Hs. Hn. re- P.2. Bonnets. Cxll/KW24.6.31. With regard to the suggestion in paragraph 2 of DA/Evi/M20.6.31, we would like to point out that we do… | ||
| 07-page171 | Design, operation, and construction of flip-flap bonnet shutters for the P.2 model. | ||
| View original record | To Hs. from Ev. c. Bv. Sg. X7260 Evl/26.6.31. X.1085 X.7260 BONNET SHUTTERS. As we hope to standardise the flip-flap shutters for P.2, in time for Olympia, we are anxious to get the design correct as… | ||
| 07-page172 | Bonnet riveting and material choice, specifically steel flaps in aluminium panels and rust prevention. | ||
| View original record | Evl/26.6.31 contd. -2- In the new thick metal it may be different. Also we suggest that you use the riveting sent to you for the thick bonnet N.Sch.3294, so reducing the rivets to eight per shutter.… | ||
| 07-page173 | Criticisms and required modifications for flip-flop type bonnet ventilators. | ||
| View original record | To RHC. From Hs/Lid. 60 Hs/Lid.3/MJ.26.6.31. BONNET VENTILATORS - N.SCH.3232. 810S S The Flip-Flap type ventilators which were fitted to the bonnet on 25-EX. have been criticised on various points.… | ||
| 07-page174 | Bonnet rattle and temperature tests, with notes on steering and petrol boiling issues. | ||
| View original record | COPY. R. Sg. Wor. E. Da. By. Y7260 X.7941. X.7260. X.5250. To Hs. From GWH. Hotel de France, Chateauroux, Indre, FRANCE. 29.6.31. 25-EX. We have today been carrying out tests for bonnet rattles and… | ||
| 07-page175 | Design and material choice for a rivetless bonnet, comparing a proposed design with one from Armstrong-Siddeley. | ||
| View original record | Hs. from Ds. c. Sg. c. Wor. Ev. X 7260 Da2/M4.7.31. P.2. - N.2 SERIES RIVETLESS BONNETS. X.7260 X.385 We have already sent you N.sch.3294 showing a bonnet having hinges the rivets of which are… | ||
| 07-page176 | Alteration to the Phantom II bonnet side plates to avoid a gap with the chassis. | ||
| View original record | AJL 87260. DA/EV c. Sg. c. Hs. c. Hn. BY/Cgh3/G.6.7.31. RECEIVED 31 JUL HS RE: P.11 BONNETS. ---------------- With reference to DA/EV1/M.20.6.31. we send you herewith print of Sch. 1508 which we have… | ||
| 07-page177 | Design and material choice for car bonnets, comparing aluminium and steel options. | ||
| View original record | HS. FROM DA/EV. X7260 DA/EV1/M8.7.31. C. to SG. WOR. BY. BONNETS. X.385 X.7260 X.5260. We have sent to you now two designs for an aluminium bonnet with rivetless hinges. Although these bonnets have… | ||
| 07-page178 | Design proposal for a steel bonnet without rivets, showing sections of the top and side hinges. | ||
| View original record | MAXIMUM OPENING OF BONNET THIS FIXED PIECE CAN BE RAISED THUS & PLATED OR CAN BE FLUSH & PAINTED SECTION OF TOP HINGE CHROMIUM PLATED SECTION OF SIDE HINGE PROPOSED STEEL BONNET WITHOUT RIVETS | ||
| 07-page179 | Technical report on the investigation and resolution of bonnet knocking issues on the 25-EX model. | ||
| View original record | COPY. 87260. Hotel de France, Chateauroux, Indre, FRANCE. 8.7.31. 87941 To Hs. From Les. 25-EX. BONNET KNOCKS. We do not consider excessive strain should be experienced by the bonnet when the rubber… | ||
| 07-page180 | Agreeing to a bonnet design and clarifying modifications for the coachbuilder. | ||
| View original record | X7260. To Ry. from Ev. c. Sg. Hs. Ev3/13.7.31. P.2. BONNETS. X.7260 We thank you for your Ry/Cgh3/G6.7.31 and the print of Sch.1508. We agree to the design as suggested. It should be made clear to the… | ||
| 07-page181 | Standardisation sheet discussing the alteration to the pivot point of flip flap type bonnet ventilators. | ||
| View original record | 87260. To R. From Hs/Lid. Hs/Lid.6/MJ.14.7.31. X.7260. X.1085. STANDARDISATION SHEET. FLIP FLAP TYPE BONNET VENTILATORS. We have moved the pivot of the shutters .250" nearer the centre than on the… | ||
| 07-page182 | Alternative designs for rivetless bonnets, comparing aluminium against steel. | ||
| View original record | To R. from Hs/Lid. c. Sg. Wor. c. E. De. c. W. 87=60 Hs/Lid/AD.15.7.31. RE : RIVETLESS BONNETS. X.7260. X.1085. We have now several alternative designs to work on, and it appears necessary to decide… | ||
| 07-page183 | Design and production of rivet-less aluminium car bonnets and associated issues with louvres. | ||
| View original record | BY. ) HS. ) FROM DA/EV. X7260 DA/EV1/120.20.8.31. X.7260 X.5260 X.385 X11085. Copy to SG. WOR. BONNETS WITHOUT RIVETS. We had hoped that before now we should have had an opportunity of seeing a bonnet… | ||
| 07-page184 | Achieving the interchangeability of bonnets for L.H. and N.2 series R.H. cars. | ||
| View original record | DA. Hs. K7260. BY.8/G.1.9.31. INTERCHANGEABILITY OF BONNETS. ------------------------------- Commencing with the L.H. cars and covering all N.2 series R.H. cars, radiators and dashboards have been… | ||
| 07-page185 | Phantom II cooling tests, covering radiator air temperature rise and bonnet ventilation. | ||
| View original record | COPY. 87260 To R. From Hs/Lid. c. to Sg. c. to Wor. E. c. to Da. By. Hs/Lid.1/AD17.9.31. X.766. X.7250 X.7260 PHANTOM II COOLING TESTS. (1) Air Temperature rise through Radiator. We have carried out… | ||
| 07-page186 | Graph showing the rise of air temperature through a radiator matrix versus road speed at two different engine water temperatures. | ||
| View original record | 16-9-31 CHASSIS 19 EX. RISE OF AIR TEMPERATURE THROUGH RADIATOR MATRIX MATRIX TUBES 6x7.5MM. WITH 4 INDENTATIONS. TESTS CARRIED OUT WITH NO BONNET OR UNDERSHIELDS FITTED IN TOP GEAR. ENGINE WATER… | ||
| 07-page187 | Set of graphs comparing air pressure under a plain bonnet versus a louvered bonnet at different road speeds and gears. | ||
| View original record | CHASSIS 19 EX. AIR PRESSURE UNDER BONNET (RECORDED BY U TUBES) STANDARD UNDERSHIELDS. RESULTS GIVEN ARE AVERAGE OF FOUR READINGS. TWO ON EACH SIDE OF ENGINE, HALF WAY BETWEEN BONNET SIDE HINGE AND… | ||
| 07-page188 | P.2 Cooling tests comparing air pressure under bonnets fitted with flip-flap shutters versus a louvred bonnet. | ||
| View original record | COPY. 87260. To R. From Hs/Lid. c. to Sg. Wor. c. to E. Da. c. to By. Hs/Lid.1/MJ.19.9.31. X.766. X.7250. X.7260. P.2 COOLING TESTS. Further to Hs/Lid.1/AD.17.9.31, we have recorded the air pressure… | ||
| 07-page189 | Graphs showing air pressure under the bonnet versus road speed for a Chassis 20 EX under various conditions. | ||
| View original record | CHASSIS 20 EX AIR PRESSURE UNDER BONNET (RECORDED BY U TUBES) STANDARD UNDERSHIELDS. RESULTS GIVEN ARE AVERAGE OF FOUR READINGS. TWO ON EACH SIDE OF ENGINE, HALF WAY BETWEEN BONNET SIDE HINGE & BOTTOM… | ||
| 07-page190 | Bonnet fitting issues related to packings and recommending their removal from future production. | ||
| View original record | To Ey. from Hs/Les. r7260. Hs/Les.1/AD30.9.31. P.II BONNET FITTING. We find that packings E.23334 are still used under the ferodo tape on the radiator and dash. We understand these were adopted to put… | ||
| 07-page191 | Proposal for modifications to flip flap shutters on the rivetless bonnet for model 22-EX. | ||
| View original record | To R. From Hs/Lid. c. to Sg. By. 60. Hs/Lid.6/KT.19.10.31. FLIP FLAP SHUTTERS. It is proposed that the modifications to the flip flap shutters showed to 'R' on the rivetless bonnet on 22-EX are… | ||
| 07-page192 | Adjustments to the radius and gap of bonnet shutters for series cars. | ||
| View original record | COPY. HS. FROM DA/EV. DA/EV3/M26.10.31. X1085 X7260 C. to SG. WOR. BY. BONNET SHUTTERS. We thank you for HS/LID2/KT221031.140. We looked at the shutters on the N. 2. series cars at Olypia, and after… | ||
| 07-page193 | Standardisation of pivoted flip-flap type ventilators for the chassis. | ||
| View original record | RR 788 (10M) (B459, 24-10-30) 6/3185. X 7260 COMPLETED 21.11.31. STANDARDISATION of CHASSIS PARTS. Date 8.7.31. Description of Parts. PIVOTED FLIP-FLAP TYPE VENTILATORS. Origin. To improve appearance… | ||
| 07-page194 | Standardisation form for a new chassis part, detailing fitting, costs, and approval remarks. | ||
| View original record | STANDARDISATION of CHASSIS PARTS The number of the first chassis on which the new part will be fitted.... N.2. Series. Date when chassis will be handed over to test....................... Production.… | ||
| 07-page195 | Complaints regarding Phantom II bonnet locks, comparing the existing Vaughan lock with a previously designed bar type lock. | ||
| View original record | 82260 Hs/Les.1/WJ.26.11.31. X1140 To PN. From Hs/Les. c. to Nor. Sr. c. to Str. BC. c. to By. HY. c. to Ed. EP. BONNET LOCKS PHANTOM 11. With reference to PN.17/ST23.11.31 and PN.4/KT24.11.31. This… | ||
| 07-page196 | Proposal to replace the standard Yale bonnet locks with an R's Bar type lock on the 40/50 HP chassis. | ||
| View original record | Sg. / c. Hs. x7260 BY/Cgh. 8/G.9.12.31. 40/50 HP. BONNET LOCKS. ------------------- x1140 The Experimental Department consider that we should fit R's Bar type Lock in place of the present standard… | ||
| 07-page197 | Request for a report on schemes tested for steadying the side wheel carrier on P.2. and 25HP models. | ||
| View original record | COPY. N760 HS. FROM DA/EV. DA/EVL/M.10.12.31. X7600 X5600 X7260 X5260 C. to SG. CX. BY. SIDE WHEEL CARRIERS. We are anxious to receive a report from you re. the schemes you have tested for steadying… | ||
| 07-page198 | Design proposal and discussion for a longer bonnet for the P2 model. | ||
| View original record | Copy. X7260. TO BY. FROM EV. EV1/12.12.31. X7260. COPY TO SG. HS. CX. LONGER BONNET. P2. We send herewith N.sch.3392., shewing a bonnet for P2. which is 6.000 ins. longer than standard. This is the… | ||
| 07-page199 | Standardising bonnets and modifying side wheel carriers for P.2 and 25 HP models. | ||
| View original record | Copy. X7260. TO HS. FROM EV. BY. EVL/21.12.31. X7600 X5600 X3260 X5260 COPY TO SG. SIDE WHEEL CARRIERS. We take it that with the introduction of diamond engine mounting on both P.2. & the 25 HP. the… | ||
| 07-page200 | Standardisation of longer bonnets on two car models, contingent on the success of N.Sch.3399. | ||
| View original record | -2- EVL/21.12.31.cont'd. be used. We believe that we have now removed all the technical obstacles in the way of standardising the longer bonnets on both cars if N.Sch.3399 is satisfactory. EV. | ||
| 07-page201 | Fitting of a longer, overhanging, rivetless bonnet to car 19-EX for a 10,000-mile test. | ||
| View original record | X7260. To By. from Hs/Lid. Hs/Lid.7/KT.21.12.31. LONGER BONNET. P.2. We wish to fit a 6.00" overhanging bonnet (N.sch.3392) with concealed rivets, and two dropped sides, to 19-EX, which is being… | ||
| 07-page202 | Material suitability for bonnets on the 40/50 HP Chassis - N.2. Series. | ||
| View original record | Hs. Wor. Sft BY/CS. X7260. BY2/N.12.1.32. Re: Bonnets for 40/50 h.p. Chassis - N.2. Series. We have looked into the question of whether our present material would make the type of bonnet with… | ||
| 07-page203 | Choice between new bar type bonnet locks and existing Yale locks for the 40/50 HP chassis. | ||
| View original record | x7260. X1140. S/W HS. re-BONNET LOCKS - 40/50 HP. CHASSIS. Cx15/KW15.1.32. Sg has asked me to write to you on this question, because we are anxious to make a decision as to what bonnet locks shall be… | ||
| 07-page204 | Suitability, cost, and issues with different types of bonnet locks. | ||
| View original record | X7-60. Ex. From Hs/Les. c. to Wor. Da. c. to By. H. Hs/Les.B/MA.19.1.32. X1140 BONNET LOCKS R.2. parsly to CX15/KW.15.1.32. Diamond engine mounting necessitates a centre radiator mounting. In order to… | ||
| 07-page205 | The delayed introduction and testing of rivetless bonnets for the 40/50 model. | ||
| View original record | Copy. X7260. X385. To Wor. From Sg. re Rivetless Bonnets Sg11/El8.2.32. Copy. to Hs. for 40/50. Owing to shortage of time yesterday afternoon, I find I missed a point which I wanted to raise about the… | ||
| 07-page206 | Proposal to adopt rivetless bonnets for Phantom II cars. | ||
| View original record | Copy. x7-60. To Wor. From Hs. Hs.3/MJ.20.2.32. x385. RIVETLESS BONNET 40/50. Referring to Sgll/E18.2.32. We see no reason why rivetless bonnets should not be fitted to Phantom II cars. The one we have… | ||
| 07-page207 | The fit of an overhanging bonnet for 20/25 HP and Phantom II models, discussing stress issues, its replacement, and a dispute over charges. | ||
| View original record | LID See ml HS x7260 x5260 Bs. Hs. Mx. C. [crossed out] ARM [crossed out] EP [crossed out] Cr. D/EP. [crossed out] BY.1/G.18.3.32. RE: FIT OF OVERHANGING BONNET. 20/25 HP. and P.II. Referring to… | ||
| 07-page208 | The provision of a stiffener for the rivetless bonnet on the Phantom II model. | ||
| View original record | x7-60, By. From Hs/Lid. Hs/Lid.2/MA.19. 3. 32. RIVETLESS BONNET P.II. It will be necessary to provide a stiffner, (fastened on by means of the bonnet fastener screws) on the side plates of the… | ||
| 07-page209 | The comparative costs of a standard Phantom II bonnet and a new rivetless bonnet. | ||
| View original record | 87260. To G/Rb. From Hs/Lid. Hs/Lid.2/MJ.21.3.32. P.11 BONNET COSTS. Would you please let us know the comparative costs of the present standard P.11 bonnet (with three flip flap shutters) and the new… | ||
| 07-page210 | Inquiry about the standardized 6-inch longer bonnet being unsuitable for 'C' steering and proposing a 4-inch longer version. | ||
| View original record | x7260. BY. FROM DA/EV. DA/EV1/15.10.32. C. to SG. MOR. CX. HS. E. P.2 BONNET. There is little doubt that the 6" longer bonnet which we have standardised is too long for 'C' steering, and causes a… | ||
| 07-page211 | Proposal to standardise 2-inch shorter bonnets for the Phantom II chassis with 'C' type steering. | ||
| View original record | [Stamp: RECEIVED] X 7260 DA/EV. Cr. Sg. Cr. Sor. Cr. Cx. c. Hs. BY/Cgh. 3/G. 5.10.32. PHANTOM II - BONNETS. DA/EV.1/M. 3.10.32. We have looked into the proposal to standardise 2" shorter bonnets for… | ||
| 07-page212 | Confirming the decision to maintain the existing bonnet length for Phantom II models. | ||
| View original record | X 7-60. Hn5/1/21-10-32 Copies to: BY. at H. [struck through] D. at L. [struck through] EOR. at W. [struck through] Hs. at W. B. at W. [struck through] W [handwritten in red, with an arrow pointing to… | ||
| 07-page213 | Difficulties and potential compromises of lengthening bonnets on the 40/50 HP chassis. | ||
| View original record | [Handwritten]: LID x7 - 60. See me HS [Typed]: S/W. (c. to [illegible], Hs.) re- 40/50 h.p.Bonnets. Cx18/KW7.11.32. I understand that the difficulty with regard to still longer bonnets on 40/50 h.p.… | ||
| 07-page214 | Supply and manufacture of longer bonnets for the 40/50 HP model. | ||
| View original record | W/c Con c. Hs. X7260 BY/Cgh.15/G.9.11.32. RE: 40/50 HP. BONNETS. Cx.18/KW.7.11.32. The difficulty in connection with the still longer bonnets was pointed out in our recent memo to C. owing to the fact… | ||
| 07-page215 | Modifications to car bonnets, specifically the removal of contact pieces and the lengthening of the bonnet support. | ||
| View original record | Hs/Lid LID 7260 X 7260 To BY from Sg. Copy to Wor. Hs/Lid. P.W. Cr. Mr. Hd. re Bonnets. Sg4/E22.11.32 Referring to Hs/Lid.4/WA.18.11.32 and the last few paragraphs we have looked at the bonnet on… | ||