Quote:
Originally Posted by WTE_Galway
That and a total confusion between cooling the charge/manifold temperatures allowing more boost (and potentially cooling the heads very very slightly) versus cooling the entire engine.
|
The combustion chambers in an engine are the main source of heat, so cooling them will in turn actually cool the entire engine.
There was a question raised somewhere earlier if the MW50 actually raises engine power:
as per
http://kurfurst.org/Engine/DB60x/DB6...sheets_DB.html
On the DB-605DB
At 0km altitude usable power is 1430hp without and 1850hp with MW50 (+-2,5%).
At 6km altitude usable power is 1285hp without and 1600hp with MW50 (+-2,5%).
(1800hp at 0km or 1550hp at 6km can also be gained by using better C-3 fuel and no MW50 instead of the lower grade B-4 fuel + MW50)
The DB-605DC engine that is optimized for C-3 fuel generates 2000hp at 0km with the MW50 active and 1800hp at 4.9km. (+-2,5%)
As an engineering student I can also say that systems that worked in the 40s work the same way today and are usually just optimized. We can't change the physical or chemical bases the systems work on, we can only fine tune the systems to take more effect.
Looking at the 109 and its role as a short range interceptor that tried to save wight wherever it could it is highly unlikely that someone would put a 23min tank on it, if it was not possible to use it.