Rolls-Royce Archives

Rolls-Royce Experimental Archives: Box ExFiles\Box 115\4\        Box Selection

IdentifierEntry
scan0001 Acknowledgement letter to Wellworthy Piston Rings Ltd. about a delayed response.
View original record 1020a. Rm/Gry3/R. 6th July, 1939. Wellworthy Piston Rings Ltd., LYMINGTON, Hants: (For the attention of J. Howlett, Esq.) Dear Sirs, Replying to your letter of the 3rd July - reference JH/KES - Mr.…

scan0002 Request to dispatch two big end bearings to Wellworthy Piston Rings Ltd.
View original record 1020a To Hd/FC. c. to D/BP. Rm/CTS.15/JH.12.7.39. Will you please despatch 2 big end bearings - to Wellworthy Piston Rings Ltd. Lymington, Hants. to be marked for the attention of their Mr. Blackith,…

scan0003 Letter to Wellworthy Piston Rings Ltd. regarding big end bearings received from Alfas, noting a mark on a cracked bearing.
View original record 1020a EXPERIMENTAL DEPARTMENT. Rm/C TS.15/JH. 12th. July, 1939. Wellworthy Piston Rings Ltd., Lymington, Hants. For the attention of Mr. Blackith. Dear Sirs, We are sending for your attention, two…

scan0004 Letter from a piston ring supplier discussing progress and issues with AC.9 bearings and big end bearings for 4 and 6 cylinder engines.
View original record 1020a. SERVICE DEPOTS LONDON 89 BLACKFRIARS RD S.E.1 TELEPHONE: WATERLOO 5762/3 172 GT. PORTLAND ST. W.1 TELEPHONE: MUSEUM 2433 119 LEYTONSTONE RD STRATFORD E.15 TELEPHONE: MARYLAND 2439 BIRMINGHAM…

scan0005 Letter from Wellworthy Piston Rings regarding the failure of bearings and proposed modifications for testing.
View original record WELLWORTHY PISTON RINGS LIMITED CONTINUATION No. 1. Messrs. Rolls-Royce Ltd. 13th July, 1939. a contributory factor regarding the failure of these bearings and also what might be done to remedy this…

scan0006 Drawing of a con-rod bearing (bottom half) for Dennis Bros.
View original record DRG. N.o SP. 0145 SHEET SIZE N.o C WHEN MEASURED IN 3.6273 GAUGE O/D.A WAS 3.625"/3.626" 16/3/39 JOINT FACE HEIGHT ADDED BORE DELETED. RADIAL THICKNESS ADDED .125 .015 RAD .255"/.257" FIRST BORE 3.072…

scan0007 Blueprint for a connecting rod top half bearing for Dennis Bros.
View original record SHEET SIZE No: C 1 DRG. No: B P 0144 .015 RAD .255" .257" 30° FIRST BORE 3.072 DIA .227 .219 DIA .250" 45° 48° .125" 2.503 2.502 ALLOWS .005 FOR FACING WHEN IN POSITION .251 .250 .187 .195 1.815 1.813…

scan0008 Technical drawing of a top half connecting rod bearing for Dennis Bros.
View original record DRG. N°. B.P. 0268 SHEET SIZE N°. C.1 WHEN MEASURED IN 3.5028" GAUGE BEARINGS TO BE MARKED WITH THE FOLLOWING:- X1342M X1332/SM PAT. Nos 470248, 472248 .045" ALLOWED ON DIAM. FOR BORING 1.996" 1.995"…

scan0009 Blueprint for a connecting rod bearing bottom half for Dennis Bros.
View original record SHEET SIZE N: C1 DRG. N.o BR0269 WHEN MEASURED IN 3.5028" GAUGE 1.996' 1.995' 1.002" .998" 1.751" 1.7505" BEARINGS TO BE MARKED WITH THE FOLLOWING:- X/342M PAT. Nos 470248 472248 .126" .124" '045"…

scan0010 Letter to Wellworthy Piston Rings Ltd. regarding a bearing job and the use of A.C.9 material.
View original record 1020a Rm6/R. 15th July, 1939. F. Blackith, Esq., Wellworthy Piston Rings Limited, LYMINGTON, Hants. Dear Mr. Blackith, We have your letter of the 13th July - addressed for the attention of Mr. Salt.…

scan0011 Letter from Wellworthy Piston Rings discussing the use of AC.9 bearings for Big Ends and Main Bearings, with reference to Leyland Diesel Engines.
View original record 1020a. SERVICE DEPOTS LONDON 89 BLACKFRIARS RD S.E.1 TELEPHONE: WATERLOO 5762-3 172 GT. PORTLAND ST. W.1 TELEPHONE: MUSEUM 2433 119 LEYTONSTONE RD STRATFORD, E.15 TELEPHONE: MARYLAND 2439 BIRMINGHAM…

scan0012 Letter from Wellworthy Piston Rings discussing AC.9 bearings and their performance against chrome plated shafts.
View original record WELLWORTHY PISTON RINGS LIMITED CONTINUATION No. 1. W. A. Robotham Esq. 17th July, 1939. stuff it has proved itself quite as well when used as a Main Bearing as with Big Ends. Incidentally in certain…

scan0013 Letter from Wellworthy Piston Rings Limited regarding correspondence with Alta Car & Engineering Co. Ltd. about their bearings.
View original record 1020a. SERVICE DEPOTS LONDON 89 BLACKFRIARS RD S.E.1 TELEPHONE: WATERLOO 5762-3 172 GT. PORTLAND ST. W.1 TELEPHONE: MUSEUM 2433 119 LEYTONSTONE RD STRATFORD E.15 TELEPHONE: MARYLAND 2439 BIRMINGHAM…

scan0014 Letter to Wellworthy Piston Rings Ltd. discussing the use of Babbitt and A.C.9 materials for engine main bearings.
View original record 1020a. Rmll/R. 20th July, 1939. F. Blackith, Esq., Wellworthy Piston Rings Ltd., LYMINGTON, Hants: Dear Blackith, Thank you for your letter of the 17th July. We have not run any Chrome plated shafts.…

scan0015 Letter from Wellworthy Piston Rings regarding experiments on AC.9 Main Bearings and Big Ends.
View original record SERVICE DEPOTS LONDON 89 BLACKFRIARS RD S.E.1 TELEPHONE: WATERLOO 5762/3 172 GT. PORTLAND ST. W.1 TELEPHONE: MUSEUM 2433 119 LEYTONSTONE RD STRATFORD. E.15 TELEPHONE: MARYLAND 2439 BIRMINGHAM 143…

scan0016 Advice note from Wellworthy Piston Rings for a half bearing and a letter.
View original record 1020a. ADVICE NOTE. R 1594 Tele.: Lymington 520 (4 Lines) Teleg: Wellworthy. Code: MARCONI. WELLWORTHY PISTON RINGS LIMITED PISTON & PISTON RING SPECIALISTS RADIAL WORKS LYMINGTON HANTS. M W. A.…

scan0017 Letter from Wellworthy Piston Rings discussing a recurring Big End Bearing failure on a 6-cylinder diesel engine.
View original record SERVICE DEPOTS LONDON 89 BLACKFRIARS RD. S.E.1 TELEPHONE: WATERLOO 5762-3 172 GT. PORTLAND ST. W.1 TELEPHONE: MUSEUM 2433 119 LEYTONSTONE RD. STRATFORD E.15 TELEPHONE: MARYLAND 2439 BIRMINGHAM 143…

scan0018 Continuation letter from Wellworthy Piston Rings regarding a harder half-bearing sent for examination.
View original record WELLWORTHY PISTON RINGS LIMITED CONTINUATION No.....1..... W. Robotham Esq., Messrs. Rolls-Royce, Limited, 24th July, 1939. this harder Bearing, but we should value your opinion after having examined…

scan0019 Follow-up letter from Wellworthy Piston Rings Ltd. regarding a failed Big End Bearing from a Dennis Diesel Engine.
View original record SERVICE DEPOTS LONDON 89 BLACKFRIARS RD S.E.1 TELEPHONE: WATERLOO 5762-3 172 GT. PORTLAND ST. W.1 TELEPHONE: MUSEUM 2433 119 LEYTONSTONE RD STRATFORD . E.15 TELEPHONE: MARYLAND 2439 BIRMINGHAM 143…

scan0020 Letter to Wellworthy Ltd. detailing the examination findings of a big end bearing failure.
View original record 1020a Experimental Dept. Rm/CTS.12/MH. 21st. August, 1939. Messrs. Wellworthy Ltd., Lymington, HANTS. Dear Sirs, In reply to your letter dated 3rd. August referring to a big end bearing failure by…

scan0021 Letter from Wellworthy Piston Rings Ltd. regarding a Big End Bearing from Dennis Bros.
View original record 1020a SERVICE DEPOTS LONDON 89 BLACKFRIARS RD S.E.1 TELEPHONE: WATERLOO 5762-3 172 GT. PORTLAND ST W.1 TELEPHONE: MUSEUM 2433 119 LEYTONSTONE RD STRATFORD E.15 TELEPHONE: MARYLAND 2439 BIRMINGHAM 143…

scan0022 Letter from Wellworthy Piston Rings regarding bearing failures, discussing oil types and further engine tests.
View original record 1020a SERVICE DEPOTS LONDON 89 BLACKFRIARS R^D S.E.1 TELEPHONE: WATERLOO 5762-3 172 GT. PORTLAND ST. W.1 TELEPHONE: MUSEUM 2433 119 LEYTONSTONE R^D STRATFORD E.15 TELEPHONE: MARYLAND 1666-7 BIRMINGHAM…

scan0023 Letter from a piston ring specialist discussing bearing failures and lubricating oil tests, including an extract from a letter from Dennis Bros.
View original record SERVICE DEPOTS LONDON 89 BLACKFRIARS RD S.E.1 TELEPHONE: WATERLOO 5762-3 172 GT. PORTLAND ST. W.1 TELEPHONE: MUSEUM 2433 119 LEYTONSTONE RD STRATFORD. E.15 TELEPHONE: MARYLAND 1666-7 BIRMINGHAM 143…

scan0024 Continuation of a letter from Wellworthy Piston Rings Ltd. regarding big end bearings.
View original record WELLWORTHY PISTON RINGS LIMITED CONTINUATION No. 1. W. A. Robotham Esq. 4th September, 1939. originally gave way and now with these big end bearings, he still persists in trying out these bearings and…

scan0025 Letter to Wellworthy Piston Rings Ltd. regarding a failing big end bearing.
View original record 1020a Rm.7/MH. 9th. September, 1939. Messrs. Wellworthy Piston Rings Ltd., Lymington, HANTS. For the attention of Mr. F.Blackith. Dear Sirs, Thank you for your two letters re the Dennis job. If the…

scan0026 Letter from Wellworthy Piston Rings discussing the treatment and properties of AC.9 bearings.
View original record SERVICE DEPOTS LONDON 89 BLACKFRIARS RD S.E.1 TELEPHONE: WATERLOO 5762-3 172 GT. PORTLAND ST. W.1 TELEPHONE: MUSEUM 2433 119 LEYTONSTONE RD STRATFORD . E.15 TELEPHONE: MARYLAND 1666-7 BIRMINGHAM 143…

scan0027 Letter from Wellworthy Piston Rings to W. A. Robotham regarding a supply issue with Bristol.
View original record WELLWORTHY PISTON RINGS LIMITED CONTINUATION No. 1. W. A. Robotham Esq. 12th September, 1939. However, before supplying to Bristol I would like to hear from you on this subject so that we are sure of…

scan0028 Letter from Wellworthy Piston Rings Ltd. regarding AC.9 bushes and bearings.
View original record 1020a WORKS TELEPHONE LYMINGTON 520 WORKS TELEGRAMS "WELLWORTHY" PRIVATE TELEPHONE LYMINGTON 232 MANAGING DIRECTOR'S OFFICE WELLWORTHY PISTON RINGS LTD., LYMINGTON HANTS JH/KES 25th September, 1939.…

scan0029 Letter to Wellworthy Piston Rings Ltd. regarding the effect of 'rolling' before heat treatment on engines.
View original record 8 Rm/CTS.2/JH. 28th. September, 1939. Wellworthy Piston Rings Ltd., Lymington, Hants. For the attention of Mr. Blackith. Dear Sirs, Please excuse the delay in replying to your letter dated 12th. Sept.…

scan0030 Letter from Wellworthy Piston Rings Ltd. regarding conflicting opinions on the performance of A.C.9 bearings versus a new Cleveland Graphite Company product.
View original record 1020a WORKS TELEPHONE LYMINGTON 520 WORKS TELEGRAMS "WELLWORTHY" PRIVATE TELEPHONE LYMINGTON 232 WELLWORTHY PISTON RINGS LTD., LYMINGTON HANTS MANAGING DIRECTOR'S OFFICE JH/KES 7th November, 1939. W.…

scan0031 Handling of two half bearings belonging to Leyland.
View original record J '1020a To G/WFH. Rm/CTS.5/JH.10.11.39. With reference to your memo. G/WFH/EWH.38/MG.8.11.39. The two half bearings to which you refer were passed on to Wellworthy for their further attention, after…

scan0032 Letter to J. Howlett of Wellworthy Piston Rings Ltd. discussing the merits and costs of different types of engine bearings.
View original record 1020a Rm.10/MH. 10th. November, 1939. J. Howlett, Esq., Messrs. Wellworthy Piston Rings Ltd., Lymington, HANTS. Dear Howlett, Thank you for your letter of 7th. November. I am afraid, with very few…

scan0033 Letter discussing the suitability of AC.9 as a bearing material for high-speed petrol engines.
View original record J. Howlett, Esq. -2- 9th. November, 1939. We have done such a lot of work on the subject and there appears to be so many confusions of thought that at the moment I am considering writing a paper on…

scan0034 Letter from Wellworthy Piston Rings Ltd. discussing engine bearing performance, specifically the A.C.9, and issues at Ford.
View original record 1020a WORKS TELEPHONE LYMINGTON 520 WORKS TELEGRAMS "WELLWORTHY" PRIVATE TELEPHONE LYMINGTON 232 MANAGING DIRECTOR'S OFFICE WELLWORTHY PISTON RINGS LTD., LYMINGTON HANTS JH/KES 13th November, 1939. W.…

scan0035 Letter to W. A. Robotham arranging a 'day's shooting' with Spitfires in Southampton.
View original record JH/KES - 2 - 13th November, 1939. W. A. Robotham, Esq., (contd). some of the Spitfires at Southampton and I am sure you will have a very useful day's shooting. If you booked a Saturday the first or…

scan0036 Short memo asking about availability on a Saturday in December.
View original record 1020a To Hs. from Rm. Rm.3/MH.22.11.39. Is there any chance of yourbeing able to manage the first or second Saturday in December as suggested by Howlett ? Rm.

scan0037 Letter to Wellworthy Piston Rings discussing Bentley main bearings, production costs and a social invitation for shooting.
View original record c. Hs. Rm.2/MH. 22nd. November, 1939. J. Howlett, Esq., Wellworthy Piston Rings, Lymington, HANTS. Dear Howlett, Many thanks for your letter of 13th. November. I am sending you drawings of our Bentley…

scan0038 Letter from Wellworthy Piston Rings Ltd. regarding a drawing for Bentley main bearings and arranging a meeting.
View original record 1020a WORKS TELEPHONE LYMINGTON 520 WORKS TELEGRAMS "WELLWORTHY" PRIVATE TELEPHONE LYMINGTON 232 MANAGING DIRECTOR'S OFFICE WELLWORTHY PISTON RINGS LTD., LYMINGTON HANTS JH/KES 27th November, 1939. W.…

scan0039 Letter from Wellworthy Piston Rings Ltd. discussing a discrepancy and manufacturing method for a Bentley main bearing/big end bush.
View original record WORKS TELEPHONE LYMINGTON 520 WORKS TELEGRAMS "WELLWORTHY" PRIVATE TELEPHONE LYMINGTON 232 MANAGING DIRECTOR'S OFFICE 1020a WELLWORTHY PISTON RINGS LTD., LYMINGTON HANTS JH/KES 28th November, 1939. W.…

scan0040 Letter to W. A. Robotham regarding the design, price, and production of interchangeable bearings.
View original record JH/KES - 2 - 28th November, 1939. W. A. Robotham, Esq., (contd). is interchangeable. There is no top or bottom half and every one is within .0003 for radial thickness. I am enclosing you a blueprint…

scan0041 Drawing of a big end bearing top half for a piston.
View original record BUY 47 DRG. N°: BF0402 SHEET SIZE N°: C DIMENSIONS: .060" .050" .025" R .020" .105" R .095" .0615" .0616" .007" OFFSET OF FLANGE & UNDERCUT 2.1280" DIA. 2.1266" 2.124" DIA. 2.122" 2.260" DIA. 2.255"…

scan0042 Letter to Wellworthy Piston Rings Ltd. regarding the production and pricing of big end bearings.
View original record 1020a. Rm.3/MH. 30th. November, 1939. J. Howlett, Esq., Wellworthy Piston Rings Ltd., Lymington, HANTS. Dear Howlett, Confirming our telephone conversation today, I hope to arrive with Mr. Hives at…

scan0043 Clearing a day in someone's schedule.
View original record 1020a To Hs/KW. from Rm. Rm.13/MH.30.11.39. Attached is a copy of a note I have sent to Hs. Will you please see that he does not book any engagements for this day. Rm.

scan0044 Confirming travel and accommodation arrangements for a visit to a Mr. Howlett.
View original record 1020a To Hs. from Rm. Rm.4/MH.30.11.39. Confirming our conversation, I have spoken to Howlett on the telephone and have arranged that we will arrive at his house at 5 p.m. on Friday, December 8th. To…

scan0045 Letter to Wellworthy Piston Rings Ltd. discussing the manufacturing process for a big end bearing.
View original record 1020a Rm.4/MH. 6th. December, 1939. J. Howlett, Esq., Wellworthy Piston Rings Ltd., Lymington, HANTS. Dear Howlett, Ex.29698 Herewith a print showing the big end bearing with the flange deleted. I…

scan0046 Letter to Wellworthy Piston Rings Ltd. regarding the supply of finished big-ends for AC.9 bearings.
View original record 1020a Experimental Department, Rm/CTS.9/BA. 9th. January, 1940. Wellworthy Piston Rings Ltd., Lymington, Hants. For the attention of Mr. Howlett. Dear Sir, The writer is instructed by Mr. Robotham, to…

scan0047 Letter from Wellworthy Piston Rings Ltd. discussing manufacturing tolerances and finishing processes for engine components.
View original record 1020a WORKS TELEPHONE LYMINGTON 520 WORKS TELEGRAMS "WELLWORTHY" PRIVATE TELEPHONE LYMINGTON 232 MANAGING DIRECTOR'S OFFICE JH/MS. W.A.Robotham, Esq., Messrs. Rolls-Royce Limited, DERBY. Dear…

scan0048 Page 2 of a letter discussing bearing clearances and manufacturing.
View original record - 2 - W.A.Robotham, Esq. 18th January 1940. the bearings, just as we had left them from the diamond boring, they found they could work satisfactorily and get better results with clearances of two or…

scan0049 Review and approval of a booklet from High Duty Alloys, critiquing its content and aesthetic design.
View original record Hs. from Wn. [Handwritten annotations:] Rm 1020 re Wellworthy Please see me Hs Wn10/AS.21.2.40. You will remember that some time ago Mr. Howlett produced a booklet which, when brought to the notice of…

scan0050 Letter to Wellworthy Piston Rings Ltd. regarding specifications for flangeless Alum-tin bearings for an engine test.
View original record 1020a Experimental Dept., Rm/CTS.16/ML. 29th. Feb: 1940. Wellworthy Piston Rings.Ltd., Lymington, Hants. For the attention of Mr. Howlett. Dear Sirs, Further to our previous correspondence on the…

scan0051 Letter from Wellworthy Piston Rings Ltd. regarding queries on AC.9 bearings for Bentley engines.
View original record 1020a WORKS TELEPHONE LYMINGTON 520 WORKS TELEGRAMS "WELLWORTHY" PRIVATE TELEPHONE LYMINGTON 232 MANAGING DIRECTOR'S OFFICE WELLWORTHY PISTON RINGS LTD., LYMINGTON HANTS FB/CJR. Ext.26. 4612. Your…

scan0052 Letter responding to questions about bearing location and the addition of a chamfer.
View original record Rm.4/ML. Yr. ref: FB/CJR. Ext. 26. 4612. 11.3.40. J.Howlett,Esq., Wellworthy Piston Rings.Ltd., Lymington. Hants. Dear Howlett, Many thanks for your letter of the 7th. March. The answers to your…

scan0053 Letter from Wellworthy Piston Rings Ltd. regarding bearing delivery and a successful engine modification on a Bentley.
View original record 1020a. WORKS TELEPHONE LYMINGTON 520 WORKS TELEGRAMS "WELLWORTHY" PRIVATE TELEPHONE LYMINGTON 232 MANAGING DIRECTOR'S OFFICE WELLWORTHY PISTON RINGS LTD., LYMINGTON HANTS JH/KES 12th March, 1940. W.…

scan0054 Concluding page of a letter addressed to W. A. Robotham.
View original record JH/KES - 2 - 12th March, 1940. W. A. Robotham, Esq., (contd). until the War is over, this information might be helpful to you. Yours sincerely, John Hives

scan0055 Letter to Wellworthy Piston Rings Ltd. regarding Simplex rings and oil consumption tests on a Bentley.
View original record 1020a Rm.9/AL. 18.3.40. J.Howlett,Esq., Wellworthy Piston Rings. Ltd., Lymington, Hants. Dear Mr. Howlett, Thank you for your letter of March 12th. I am very interested in your note regarding your…

scan0056 Letter from Wellworthy Piston Rings Ltd. regarding a delay in the supply of bearings due to tool-room hold-ups.
View original record 1020a WORKS TELEPHONE LYMINGTON 520 WORKS TELEGRAMS "WELLWORTHY" PRIVATE TELEPHONE LYMINGTON 232 MANAGING DIRECTOR'S OFFICE JH/KES/MS. W.A.Robotham, Esq., Messrs. Rolls Royce Limited, DERBY. Dear…

scan0057 Letter from High Duty Alloys Ltd. regarding a new 12% magnesium aluminium alloy, its properties, and manufacturing difficulties.
View original record HIGH DUTY ALLOYS LTD. TELEPHONE: SLOUGH 21201 (PRIVATE BRANCH EXCHANGE) TELEGRAMS: ALLOYS, SLOUGH. DIRECTORS: W.C.DEVEREUX, F.R.Ae.S., (Managing) DUNCAN McKELLAR. Our Ref JTR/WP. Your Ref Rm/AA.7/P.…

scan0058 Letter from High Duty Alloys Ltd. regarding the sharing of information and research progress.
View original record - 2 - Messrs. Rolls Royce Ltd., 17th April, 1940. We shall be very pleased however to let you have all possible information as soon as we are in a position to do so, and you can definitely rest…

scan0059 Letter from High Duty Alloys Ltd. regarding arrangements for a Lagonda car to be sent to Derby.
View original record 10209 HIGH DUTY ALLOYS LTD. TELEPHONE: SLOUGH 21201 (PRIVATE BRANCH EXCHANGE) TELEGRAMS: ALLOYS, SLOUGH. DIRECTORS: W. C. DEVEREUX, F.R.Ae.S., (Managing) DUNCAN McKELLAR. Our Ref /RMM. Your Ref…

scan0060 Letter to High Duty Alloys Ltd. acknowledging their correspondence of 17th instant.
View original record Rm/AA.5/P. 22nd April 1940. High Duty Alloys Ltd., 89, Buckingham Avenue, Trading Estate, SLOUGH. For the attention of Mr. J.T.Robinson. Dear Sirs, Thank you for your letter of 17th inst.(ref. JTR/WP)…

scan0061 Covering note regarding a letter received from High Duty Alloys Ltd. concerning a new alloy.
View original record 1020a. To:- Hl. Rm/AA.6/P.22.4.40. With reference to our conversation the other day regarding the New Alloy being dealt with by High Duty Alloys Ltd. I have today received a letter from Mr. Robinson,…

scan0062 Letter to Miss Moon at High Duty Alloys Ltd. confirming arrangements for the delivery of a Lagonda car to Derby.
View original record Rm.1/ML. 22.4.40. W.C.Devereux,Esq., High Duty Alloys Ltd., 89, Buckingham Ave., Trading Estate, Slough. For the attention of Miss Moon. Dear Madam, Confirming our telephone conversation of today's…

scan0063 Letter to High Duty Alloys Ltd. clarifying a misunderstanding regarding an alloy enquiry based on RR.50.
View original record 1020a Rm/AA.3/P. 23rd April 1940. High Duty Alloys Ltd., Buckingham Avenue, Trading Estate, SLOUGH. ------- For the attention of Mr. J.T.Robinson. Dear Sirs, With reference to your letter of 17th…

scan0064 Letter from Wellworthy Piston Rings regarding the urgent despatch of bearings for engine testing, addressed to W. A. Robotham.
View original record SERVICE DEPOTS LONDON 89 BLACKFRIARS RD S.E.1 TELEPHONE: WATERLOO 5762-3 172 GT. PORTLAND ST. W.1 TELEPHONE: MUSEUM 2433 119 LEYTONSTONE RD STRATFORD, E.15 TELEPHONE: MARYLAND 1666-7 BIRMINGHAM 143…

scan0065 Clearance and nip specifications for different types of bearings.
View original record file 1030 To Wd. from Rm/CTS. Rm/CTS.7/JMc.13.5.40. BEARINGS. Herewith some information on clearances. Clce/inch. Nip. W/M (Steel shell) .001 .001 A.C. 9 .00125 .003/.0035 Lead Bronze. .00125 .001…

scan0066 Letter from Wellworthy Piston Rings discussing the failure analysis of AC.9 big end bearings with Leyland Motors and Rolls-Royce.
View original record SERVICE DEPOTS LONDON 89 BLACKFRIARS RD S.E.1 TELEPHONE: WATERLOO 5762-3 172 GT. PORTLAND ST. W.1 TELEPHONE: MUSEUM 2433 119 LEYTONSTONE RD STRATFORD. E.15 TELEPHONE: MARYLAND 1666-7 BIRMINGHAM 143…

scan0067 Continuation letter from Wellworthy Piston Rings Limited regarding feedback on a material.
View original record WELLWORTHY PISTON RINGS LIMITED CONTINUATION No. 1 We look forward, therefore, to hearing at the earliest possible moment from your people as to their views on the material so that this this thing may…

scan0068 Telegram from Blackith Wellworthy chasing a report on AC 9 bearings left the previous Thursday.
View original record POST OFFICE TELEGRAM Charges to pay RECEIVED PM 12 23 From: BM A Prefix. Time handed in. Office of Origin and Service Instructions. Words: 25 225 11.50 LYMINGTON SO 15 To: SALT ROYCAR DERBY ANXIOUSLY…

scan0069 Letter from Wellworthy Piston Rings urgently requesting a report on AC.9 bearings following a complaint from Leyland Motors.
View original record SERVICE DEPOTS LONDON 89 BLACKFRIARS RD S.E.1 TELEPHONE: WATERLOO 5762-3 172 GT. PORTLAND ST. W.1 TELEPHONE: MUSEUM 2433 119 LEYTONSTONE RD STRATFORD. E.15 TELEPHONE: MARYLAND 1666-7 BIRMINGHAM 143…

scan0070 Order for 12 pairs of big end bearings from Wellworthy Pistons Ltd.
View original record Les/FS. from Rm/CTS. Rm/CTS.2/ML.21.5.40. Will you please send an order to Wellworthy Pistons Ltd., Lymington, Hants, to cover : 12 pairs big end bearings. In accordance with their Advice Note…

scan0071 Letter discussing crankshaft drilling and bearing seizure in relation to a big-end failure.
View original record SERVICE DEPOTS LONDON 89 BLACKFRIARS RD S.E.1 TELEPHONE: WATERLOO 5762-3 172 GT. PORTLAND ST. W.1 TELEPHONE: MUSEUM 2433 149 LEYTONSTONE RD STRATFORD E.15 TELEPHONE: MARYLAND 1666-7 BIRMINGHAM 143…

scan0072 Letter discussing the metallurgical properties of a seized bearing and the potential effects of reducing tin content.
View original record appears in tiny globules evenly distributed over the whole bearing and not in unbroken lines as now appears on the seized bearing. Do you think in view of this that a reduction in the tin content with…

scan0073 Letter to Wellworthy Piston Rings Ltd. discussing engine bearing failures, specifically regarding Leyland engines.
View original record 1020a Experimental Dept. Rm/CTS.2/JMc. 29th May, 1940. Wellworthy Piston Rings Ltd., Lymington, HANTS. ATTENTION OF MR. BLACKITH. Dear Sirs, Many thanks for your letter dated 21st May, reference…

scan0074 Letter responding to a query about the action of tin content under high temperature conditions.
View original record -2- With reference to your queries regarding the action of the tin content under very high temperature conditions, we have put this question to Mr.Hall, and he asserts that to reduce the tin content…

scan0075 Letter to Wellworthy Pistons Ltd. discussing bearing failures at Leyland's, comparing materials and suggesting lubrication system improvements.
View original record Hole 1020A Rm.1/ML. 9.6.40. J.Howlett,Esq., Wellworthy Pistons Ltd., Lymington. HANTS. Dear Howlett, I called in at Leyland's on Friday to discuss their bearing failures with them. They seem to feel…

scan0076 Letter discussing engine modifications and diagnosing failures as likely due to oil starvation.
View original record - 2 - Cont'd. It is not always possible, for policy reasons, to start making numerous modifications to an engine which has been in production for a long time, and which is shortly to be superceded by…

scan0077 Letter to J. Pilkington of Leyland Motors discussing A.C.9 bearing material issues due to oil shortage.
View original record Rm.2/ML. 10.6.40. J.Pilkington,Esq., Leyland Motors Ltd., Leyland. Dear Pilkington, Confirming our discussion on Friday, we do believe that the main cause of the trouble that you have had with your…

scan0078 Letter to Leyland Motors regarding the marketing of an aluminium tin bearing and a misunderstanding about its development.
View original record 1175 Rm.2/ML. 13.6.40. H.Spurrier,Esq., Leyland Motors Ltd., LEYLAND, Lancs., Dear Spurrier, As you know, we developed the aluminium tin bearing and John Howlett is marketing it. He called in at the…

scan0079 Letter clarifying a misunderstanding regarding the company's views on different engine bearing materials and associated lubrication systems.
View original record - 2 - Cont'd. Rm.2/ML. I would be glad if you would consider this a personal matter because John Howlett, you and I are very good friends and we are not going to quarrel over business. All the same,…

scan0080 Letter discussing the choice of bearing materials for aircraft engines during a national emergency and seeking clarification on a statement.
View original record Cont'd. - 3 - Rm.E/ML. and at the same time changed your bearing material. I think this is hardly fair to A.C.9. The position on our aircraft engines requires a little explanation. Under the present…

scan0081 Letter from Leyland Motors clarifying a misunderstanding about experiments with material AC.9.
View original record 1175 Leyland BY APPOINTMENT TO THE LATE KING GEORGE V LEYLAND MOTORS LIMITED, GENERAL MANAGER'S OFFICE. Manufacturers of Motor Vehicles ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY AND NOT TO…

scan0082 Brief letter to H. Spurrier, Jnr. of Leyland Motors Ltd. regarding a matter involving Pilkington.
View original record 1175 Rm.S/ML. H.Spurrier,Jnr., Leyland Motors Ltd., Leyland, Lancs., 17.6.40. Dear Spurrier, Many thanks for your letter. I shall be interested to hear what Pilkington has to say about the matter.…

scan0083 Letter to L. Pilkington of Leyland Motors regarding a misunderstanding about A.C.9. bearings.
View original record 1175 Rm.8/ML. 18.6.40. L.Pilkington,Esq., Leyland Motors, Leyland, Lancs., Dear Pilkington, Many thanks for your letter of June 18th. I note the explanation of the present position with regard to…

scan0084 Letter from Leyland Motors regarding discussions and issues with A.C.9 bearing material.
View original record 1125 Leyland BY APPOINTMENT TO THE LATE KING GEORGE V. LEYLAND MOTORS LIMITED. Head Office and Works, Manufacturers of Motor Vehicles. YOURS Rm2 / M.L. IN REPLY PLEASE QUOTE: OURS SE/VWP/HK. Tel: Ext:…

scan0085 Technical letter discussing bearing material performance, oil supply issues, and research findings on crankshaft hardness.
View original record (2) Under conditions of normal civil use we would not have had time to sort the whole job out, but it was with War Department contracts in view that we felt it incumbent upon ourselves to take some…

scan0086 Letter from Leyland Motors discussing the performance and failures of different engine bearing materials.
View original record Leyland Continuation of a letter From LEYLAND MOTORS LIMITED. (3) A.C. 9 definitely showed its superiority over RR.56 on test in Research Department, and when running on comparative test to determine…

scan0087 The concluding page of a typed letter signed by V. W. Pilkington.
View original record (4) has gone abroad as a result of this. Yours faithfully, (V. W. Pilkington)

scan0088 Request for detailed drawings of sample flangeless big end bearings for chassis work.
View original record 1020 EXPERIMENTAL DEPARTMENT. Rm/CTS.9/JMS. 19.6.40. Messrs. Wellworthy Piston Rings, LYMINGTON, Hants. Dear Sirs, A short time ago you supplied 12 sample (flangeless) big end bearings for chassis…

scan0089 Letter from Wellworthy Piston Rings Ltd. regarding the supply of drawings for Big End Bearings.
View original record ON ADMIRALTY, WAR OFFICE, AIR MINISTRY, INDIA OFFICE LISTS WELLWORTHY PISTON RINGS LIMITED PISTON & PISTON RING SPECIALISTS LYMINGTON HANTS SERVICE DEPOTS LONDON 89 BLACKFRIARS RD S.E.1 172 GT.…

scan0090 Letter from Leyland Motors discussing a misunderstanding and ongoing issues with A.C. 9 bearings.
View original record 1175 BY APPOINTMENT TO THE LATE KING GEORGE V. LEYLAND MOTORS LIMITED, Head Office and Works, LEYLAND. LANCASHIRE. Manufacturers of Motor Vehicles. TELEGRAPHIC ADDRESS: LEYMOTORS, LEYLAND. TELEPHONE:…

scan0091 Letter from a supplier defending the performance of their AC.9 bearing material and questioning the decision to discontinue its use.
View original record WORKS TELEPHONE LYMINGTON 520 WORKS TELEGRAMS "WELLWORTHY" PRIVATE TELEPHONE LYMINGTON 232 MANAGING DIRECTOR'S OFFICE 1020a WELLWORTHY PISTON RINGS LTD., LYMINGTON HANTS JH/KES W. A. Robotham, Esq.,…

scan0092 Page 2 of a letter from the Managing Director regarding the development and use of AC.9 bearing alloy.
View original record JH/KES - 2 - 6th July, 1940. not go on with AC.9 as Rolls had experimented with it and found it to be a failure. We have this report in writing from Napiers. Having heard not only from you, but from…

scan0093 Letter to Wellworthy Pistons Ltd. regarding the exceptional condition of die-cast big end bearings after 48,000 miles.
View original record 1020 File Bearings Wellworthy Rm.S/ML. 25.9.40. J.Howlett,Esq., Wellworthy Pistons Ltd., LYMINGTON. Hants. Dear Howlett, I enclose herewith a photograph of some big end bearings of die-cast A.C.9.,…

scan0094 Follow-up letter to Wellworthy Pistons Ltd. regarding die-cast A.C.9 big-end bearings.
View original record File Bearings Wellworthy Rm.2/ML. J.Howlett,Esq., Wellworthy Pistons Ltd., LYMINGTON. Hants. 10.10.40. Dear Howlett, Further to my letter of the 25th. September, I send you herewith a copy of the…

scan0095 Condition of Big End bearings from Chassis 30 G VII after completing 48176 miles.
View original record 1 2 3 4 5 6 CHASSIS 30 G VII UNIT B.80. No 5 BEARINGS. BIG ENDS:- AC 9 DIE CAST CONDITION AFTER COMPLETING TOTAL MILES 48176 (23196 IN FRANCE 24980 IN ENGLAND)

scan0096 Letter from Vandervell Products Ltd. acknowledging a letter, a print (Rm.648), and arranging a meeting.
View original record VANDERVELL PRODUCTS LTD. 1026A TELEGRAMS & CABLES: STEELBAK, LONDON. DIRECTORS: C. A. VANDERVELL. G. A. VANDERVELL. M. P. FOSTER. TELEPHONE ACORN 2251/4. MANUFACTURERS OF PRESSED BUSHINGS, STEEL…

scan0097 Settlement of queries and outstanding accounts for Vandervell Bearings.
View original record 1020 To G/WPH. from Rm/CTS. Rm/CTS.9/BT.18.10.40. VANDERVELL BEARINGS. ----------------- With reference to your memo G/WPH/ST.26/BT.13.9.40, we have now settled our queries with these people. Will you…

scan0098 Photograph showing a scored and damaged bearing shell with a broken fragment.
View original record ",

scan0099 Photograph of a failed bearing shell and a separate fragment of it.
View original record ",

scan0100 Recommendation to proceed with putting Vandervell bearings in hand forthwith.
View original record A 1020 Rm/CTS. from Rm. Bearings Vandervell Rm.13/ML.28.10.40. With reference to Rm/HH.2/SW.21.10.40. I think Vandervells could, with advantage, put these bearings in hand forthwith. Rm.

scan0101 Letter to The Hoffmann Manufacturing Co. Ltd. requesting to obtain special bearings to specification No. 117.FS.
View original record ? 1020 Rm/Col.3/ET. 1st November, 1940. The Hoffmann Manufacturing Co. Ltd., CHELMSFORD, Essex. Dear Sirs, We are rather anxious to obtain some special bearings to your specification No. 117.FS. If…

scan0102 Letter to A. Taub of Vauxhall Motors regarding manufacturing capacity for lead bronze bearings and a trip to the USA.
View original record 1020 Rm.5/ET. A. TAUB, Esq., Vauxhall Motors Ltd., L U T O N. Beds. 5th November 1940. Dear Taub, Thank you for your letter of 28th October giving the information regarding the amount of Sodium in the…

scan0103 Review of clutch throwout bearings and the effort to eliminate cages.
View original record COPY. To: Rm. Rm/FJH.4/RH.9.11.40 CLUTCH THRUST BEARINGS. I have had another think on clutch throwout bearings with the result shewn on the attached letter to Hickling. If you agree, will you please…

scan0104 Letter from Vandervell Products Ltd. regarding proposals for a Layshaft Bush and main bearings for a four cylinder engine.
View original record VANDERVELL PRODUCTS Ltd. TELEGRAMS & CABLES: STEELBAK, LONDON. DIRECTORS: C.A.VANDERVELL. G.A.VANDERVELL. M.P.FOSTER. TELEPHONE ACORN 2251/4. MANUFACTURERS OF PRESSED BUSHINGS, STEEL BACKED BABBITT &…

scan0105 Scheme to replace roller bearings with Trimetal Vandervell Bushes for a layshaft.
View original record 1020 To Rm. from Rm/HH. c. Rm/PJH. c. Rm/CTS. Rm/HH.4/SW.1.11.40. B.V. Sec.6050. Rm.648 Trimetal Vandervell Bushes for Layshaft. [Blue ink stamp: Rm] The following drawings have been prepared in…

scan0106 Letter to The Hoffmann Mfg. Co. Ltd. acknowledging receipt of bearings and placing a further order.
View original record 1020 Rm/Col.10/ET. 15th November, 1940. The Hoffmann Mfg. Co., Ltd., CHELMSFORD. Dear Sirs, Thank you for your letter of 9th November, re-ference SB/MET. We have received the six bearings 117.FS that…

scan0107 Inquiry regarding the performance and further testing of Merlin thin shell bearings produced by Vandervell's Ltd.
View original record Lov. from Rm. 1020 bearings Vandervell general Rm.2/ML.20.11.40. MERLIN THIN SHELL BEARINGS, PRODUCED BY VANDERVELL'S Ltd., We are particularly interested in the possibility of using tri-metal main…

scan0108 The development and testing of Vandervell main bearings, comparing them to standard silver alloy and lead-bronze types.
View original record R.R. 206 (ST) (4319/24/8/39) C.E. 1020a EXPERIMENTAL DEPARTMENT REPORT. REFERENCE:- Lov/AT.1/GR.13.11.40. Subject of Report:- Main Bearing Development Vandervell Bearings. Rig and Engine Tests. Report…

scan0109 The performance of flangeless blade rod bearings and camshaft bushes.
View original record EXPERIMENTAL DEPARTMENT REPORT REFERENCE Cont...... 5. Blade rod bearings without flanges appear to be giving satisfactory service and adoption of this design would mean a considerable saving in…

scan0110 The running experience and tests of Vandervell bearings on Merlin engines.
View original record VANDERVELL BEARINGS. RUNNING EXPERIENCE ON MERLIN ENGINES. Confirmation of the results obtained on rig test of Vandervell bearings has been given by tests on Merlin 2433. This engine was fitted with…

scan0111 Analysis of bearing and camshaft bush performance and condition following engine testing.
View original record - 2 - The centre bearing appeared to be in the best condition, other bearings generally looked to have too much barrelling although some showed signs of break up near both bearing edges. Fretting on…

scan0112 The development and mechanical testing of Vandervell thin shell tri-metal main bearings.
View original record Lov/AT.16/GR. 10.9.40. Report No. MR.80. MECHANICAL TESTING. Main Bearing Development. Vandervell Bearings. Further to report ref: Lov/AT.2/GR.4.9.40. dealing with rig tests of alternative main…

scan0113 Description of a test rig, test procedures, and results of tests on Vandervell bearings.
View original record - 2 - DESCRIPTION OF RIG. The rig consists of a main-shaft supported at one end by a spherical bearing and at the other end by the bearing under test and carrying an out of balance weight to provide…

scan0114 Bearing tests, comparing white-metal and Vandervell bearings to standard RR alloy bearings for the Merlin engine.
View original record - 3 - of local 'giving'. Results of tests on the single panel rig show that whereas the success of lead bronze in general depends upon its ability to stand up to high local loads for short lengths of…

scan0115 Report page detailing further tests and conclusions on Vandervell bearings, comparing tri-metal and lead-bronze types.
View original record - 4 - Since writing the above report a further two tests have been completed on Vandervell bearings with the object of (a) Settling the claim by Vandervell that the conditions imposed by the insertion…

scan0116 Comparison of a Vandervell tri-metal bearing with lead bronze and standard R.R. bearings.
View original record - 5 - Cont........ 3. While the Vandervell tri-metal bearing is more satisfactory than their lead bronze bearing it is infinitely less satisfactory than the standard R.R. bearing. * We have been…

scan0117 Test report on the fatigue series of Vandervell bearings.
View original record Fatigue Series of Tests. Vandervell Bearings. Bearing Test No. | Bearing Composition | Modifications to Bearing re grooving etc. | Speed RPM. | Load lbs/sq ins. | Oil Press. lbs/sq ins. | Hours before…

scan0118 Log of bearing composition tests detailing performance, temperature, and failure modes.
View original record Cont.... Bearing Test No Bearing Composition Modifications to Bearing grooving etc Speed RPM Load lb/sq ins. Oil Press lb/sq ins. Hours before break-up commences Total hrs. run. Normal temp °C Final…

scan0119 Test report on Vandervell bearings, detailing performance and failure analysis under various conditions.
View original record Cont..... Bearing Test No Bearing Composition Modifications to Bearing re grooving etc Speed RPM Load lb/sq ins. Oil Press lb/sq ins Hours before break-up commences Total hrs. run Normal temp. °C…

scan0120 Letter to The Hoffmann Manufacturing Co., Ltd. requesting 24 No. 117.FS bearings.
View original record 1020 4th December, 1940. Rm/Col.4/BT. The Hoffmann Manufacturing Co., Ltd., C H E L M S F O R D. Dear Sirs, We thank you for your letter dated the 28th November, reference FMD/BY. We shall be glad if…

scan0121 Letter to Vandervell Products Ltd. discussing a choice between tri-metal and lead bronze bearings.
View original record bearings Vandurwell 1020a Rm.3/SW. 30th November, 1940. Vandervell Products, Ltd., Western Avenue, Acton, LONDON. W.3. Attention of Mr. G.A. Vandervell. Dear Sirs, Thank you for your letter of the…

scan0122 Letter to Vandervell Products Ltd. regarding revised prints for engine bearings and washers.
View original record Copies sent to Rm. and Rm/OBS. 1020a. Rm/HH.2/SW. 26th March, 1941. Vandervell Products, Ltd., Western Avenue, Park Royal, LONDON W.3. For the attention of Mr. Johnson. Dear Sirs, We thank you for…

scan0123 Request to issue an official order to Hoffmann Manufacturing Co. to cover bearings.
View original record To: Roy. from Hm/CTS. c. G/WFH. 1020 Rm/CTS.2/RH.22.5.41. Will you please issue an official order to Hoffmann Manufacturing Co., to cover the bearings listed in our letter Rm/CTS.1/ET. dated 3rd…

scan0124 Copy of a letter to The Hoffmann Manufacturing Co. urgently requesting a list of ball and roller bearings for an experimental project.
View original record Rm/CTS.1/ET. COPY. EXPERIMENTAL DEPARTMENT. 3rd March, 1941. The Hoffmann Manufacturing Co., C H E L M S F O R D. Dear Sirs, We very urgently require the following bearings in connection with an…

scan0125 Letter to Wellworthy Piston Rings Ltd. regarding AC.9 bearing failures and a request for a test set of pistons for a tank engine.
View original record Bearings (Wellworthy) 1029(a) 28th May, 1941. Rm.1/ET. J. HOWLETT, Esq., Wellworthy Piston Rings Ltd., L Y M I N G T O N, Hants. Dear Howlett, Thank you for your letters re pistons and bearings. It is…

scan0126 Bearing finishes, engine component seizing, and the potential use of aluminium and chromium plating.
View original record 1020 To Hl. from Rm. Rm.12/BT.1.12.42. Many thanks for your report, No. G.122 on bearing finishes, in which I was extremely interested. I am interested in any figures you have to show the improvement…

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