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Forum: Tech Log

16th Jul 2015, 20:03

Replies: 30

Turboprop, turbofan, propfan

Views: 10,420

Posted By megan

Figures given by Lee Atwood, of North American,...

Figures given by Lee Atwood, of North American, gave the figures of cooling drag 400 pounds, and thrust produced by the radiator 350 pounds, net cooling drag thus 50 pounds. Bare in mind full power...

Forum: Tech Log

16th Jul 2015, 11:42

Replies: 30

Turboprop, turbofan, propfan

Views: 10,420

Posted By megan

Not quite, it was estimated that cooling drag had...

Not quite, it was estimated that cooling drag had been reduced by 90%.

Forum: Tech Log

2nd Jul 2015, 14:38

Replies: 30

Turboprop, turbofan, propfan

Views: 10,420

Posted By megan

During WWII Rolls Royce put much research into...

During WWII Rolls Royce put much research into maximising the jet effect from the exhaust of the Merlin, achieving a figure of 10%. Likewise the Wright Cyclone in the T-28 produced 10% from the...

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