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Posted

fw190_prechauffage01.jpg

 

fw190_prechauffage02.jpg

 

 

For the dev or any modder.

 

 

  • Upvote 1
AA_Engadin
Posted

That was until russian prisoners told their tricks to get their planes to the air quicker than germans and with far less technical paraphernalia involved:

 

"The Germans learned a few tricks from their enemy. Oil freezing in the DB 605 engines of their Bf 109G-6s made them difficult to start in the extreme cold of the Russian winter. A captured Soviet airman demonstrated how pouring fuel into the aircraft's oil sump would thaw the oil and allow the engine to start after only one attempt. Another solution to this problem, also learned from the Soviets, was to ignite fuel under the engine." (http://en.wikipedia.org/wiki/Erich_Hartmann#cite_ref-Kaplan_2007.2C_p._104_17-0).

 

S! AA_Engadin

71st_AH_Cujo
Posted

Sweet photos. Thanx for sharing

LLv34_Flanker
Posted

S!

 

 During Winter War the crews of Fokker fighters drained the oil of the engines and kept it inside at warm over night. Then heated it and poured back in so starting would be a bit less straining on the engine. They also made "hoodies" for the engines that had a small heat source on ground and the warm air kept engine warmer. That Zwerg thing by Germans does not differ much from modern applications of the same device ;) 

Posted

That was until russian prisoners told their tricks to get their planes to the air quicker than germans and with far less technical paraphernalia involved:

 

"The Germans learned a few tricks from their enemy. Oil freezing in the DB 605 engines of their Bf 109G-6s made them difficult to start in the extreme cold of the Russian winter. A captured Soviet airman demonstrated how pouring fuel into the aircraft's oil sump would thaw the oil and allow the engine to start after only one attempt. Another solution to this problem, also learned from the Soviets, was to ignite fuel under the engine."

In the May 1941 manual of the Bf 109 F there's already a paragraph on "Kaltstart", i.e. cold start. It describes how to mix fuel into the oil in order to take off without warming the engine up. So whenever I read the above, I wonder what truth there is to it, if any.

External engine heating as with the 'Zwerg' would still be better for the engine than adding fuel to the oil, in particular when the aircraft wasn't being prepared for flight, but rather maintenance.

Posted

That piece of equipment looks like it could be handy next time the man flue strikes....  :P  :lol:

  • 4 weeks later...
69th_chuter
Posted

In the May 1941 manual of the Bf 109 F there's already a paragraph on "Kaltstart", i.e. cold start. It describes how to mix fuel into the oil in order to take off without warming the engine up. So whenever I read the above, I wonder what truth there is to it, if any.

External engine heating as with the 'Zwerg' would still be better for the engine than adding fuel to the oil, in particular when the aircraft wasn't being prepared for flight, but rather maintenance.

 

 

And a US Air Corp mechanical engineer by the name of Weldon Worth spoke at a Society of Automotive Engineers convention in New York City during the winter of 38/39 about cold weather oil dilution the Army was working on to get interceptors airborne sooner.

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