B.M. Cole


Disc Valve Engine Junkers Torpedo Engine Model Jumo, KM8

A report by the Combined [British/US] Intelligence Objectives Sub-Committee (CIOS); 1945

WW2 military intelligence report by the Combined Intelligence Objectives Sub-Committee on the Jumo KM8 torpedo engine with rotary disc valves designed by Felix Wankel.

CIOS 'Black List of targets for urgent investigation' category: Torpedoes

Duplicated typewritten report, 10 x 7.5 inches, 25 x 19 cms. 13 pages text, 18 pages photographs plus several large folding diagrams

Very good in original stapled card wrappers.

The Junkers KM8 torpedo engine is of particular note in that its rotary disc-valve assembly was designed by Felix Wankel, later of rotary engine fame. The report makes especial mention of the potential for this valve arrangement.

More information on these original WW2 CIOS and BIOS reports.

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Price: £55 (GB pounds sterling) plus postage and insurance as below
- First class postage, fully insured, within the UK: £3
- Airmail postage, fully insured, outside the UK: £8

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