From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Calorstat tests comparing a 'Packless Gland' Co. type with a 'Smith's Standard' type.
| Identifier | ExFiles\Box 39\4\ Scan344 | |
| Date | 9th January 1934 | |
| "PACKLESS GLAND CO." 9.1.34. CALORSTAT TESTS. E.{Mr Elliott - Chief Engineer} 80893. Made by "Packless Gland" Co. - As used on 1-B-4 during 10,000 miles Trial. For comparison with Smith's Standard "H" Filling. Leverage 1.52:1 First Table: Shutters "Closed" Temp. oC., Pull-lb. At Lever, Pull-lb. At Calorstat, Push lb. 16o, 7 1/4, 11.0 30o, 6 1/4, 9.5 40o, 4 1/4, 6.5 50o, 3 1/4, 4.95 60o, 3 1/4, 4.95 70o, 1 1/2, 2.28 78o, Changeover 80o, Push 2 1/4 lb. 90o, Push 29 1/4 lb. 100o, Push 55 1/4 lb. Notes next to first table: Tests taken following complaint that the "Packless" type was more "sluggish" than the "Smith" type. Wind pressure tests to be taken on chassis. The loads above to changeover are approx. the same for both types. Tests repeated with 1-J-III Packless type Calorstat - practically new. Second Table: Ascending Temp. Shutters "Closed": Temp. oC., Pull-lb. Lever, Pull-lb. Cal{Mr Calvert}'st.{Capt. P. R. Strong}, Push lb. 15o, 5 1/4, 8.0 30o, 4 1/4, 6.45 40o, 3 1/4, 4.95 50o, 2 1/4, 3.42 60o, 2, 3.04 70o, 1 1/4, 1.9 80o, Change 78o C., Push 7 1/2 lb. 90o, Push 24 1/2 lb. 95o, Push 43 1/2 lb. 98o, Push 54 1/2 lb. Shutters "Open": Temp. oC., Pull-lb. Lever, Pull-lb. Cal{Mr Calvert}'st.{Capt. P. R. Strong}, Push lb. 15o, 50 1/4, 76.5 30o, 48 1/4, 73.5 40o, 46 1/4, 69 50o, 43 1/4, 66 60o, 39 1/4, 59.5 70o, 32 1/4, 49 80o, 8 1/2, 12.5, Change 84o C, Push 11 1/2 lb. 100o, Push 29 1/2 lb. Descending Temp. Shutters "Open": Temp. oC., Pull-lb. Lever, Pull-lb. Cal{Mr Calvert}'st.{Capt. P. R. Strong}, Push lb. 20o, 48 3/4, 74 30o, 46 3/4, 71 40o, 42 3/4, 65 50o, 40 3/4, 62 60o, 36 3/4, 56 70o, 27 3/4, 42.2 80o, Change 80o C., Push 14 1/2 lb. 98o, Push 29 1/2 lb. 100o, Push 29 1/2 lb. Wt. of "Pull" Tray 1 1/2 lb., and of "Push" Tray 1/2 lb. included in above figures. | ||