Ram Engines
Clive -
I have been slowly going through all the Canadian Armoured War Diaries Microfilms. Found the following notes in 21 CAR (GGFG) Pt 1 Orders for 26 Nov 42 (Microfilm T-12721, p.436/7)...a rather long-winded warning !
No.1467 USE OF 80 OCTANE PETROL IN RAM TANKS
1. To clear up any confusion which may exist regarding the proper grade of fuel to be used in Ram Tks, the following information is given:
(a) 80 Octane petrol is to be used only in tks equipped with R-975 E.C.1 engines or modified R-975 E.C.2 engine.
(b) The R-975 E.C.1 engine has been installed starting with tank serial number 40002. These new engines start with engine serial number 122699.
(c) There are, however, a certain number of tks which have modified E.C.2 engines whose serial number is lower than the above mentioned. These engines are identified by a green spot on the inside cover of the magneto lubricator. It is to be noted that the identification will NOT appear on magnetos fitted to engines above serial number 122698.
2. To summarize - 80 Octane Fuel will only be used in engine number 122699 and up or in engines having a lower number but which have a green spot on inside cover of magneto lubricator.
3. It is obvious that under no circumstances should magnetos be switched from one engine to another and that, if a magneto becomes unserviceable, the proper type should be used as a replacement.
4. At the present time only one of the tks in the Bde (CT 39867 - Serial No. 120359 held by H.Q. Sqn. 4 Cdn Armd Bde) requires 87 Octane Fuel. As new tks are issued, some others may require this 87 Octane petrol and this will be carefully checked.
5. R.C.A.S.C. 4 Cdn Armd Div has a stock of 87 Octane petrol but will issue it only to those tks requiring it. Other tks will use 80 Octane petrol.
Hope this is of interest
Roddy
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