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Forum: Tech Log

7th Apr 2011, 19:36

Replies: 27

Multi-Row Radial Engine Questions

Views: 11,376

Posted By barit1

I believe the 4360 crank was in four pieces - one...

I believe the 4360 crank was in four pieces - one for each cylinder row. This would be necessary because the engine is assembled in a stack: the crankcase (with its 5 bearings) is in five segments,...

Forum: Tech Log

7th Apr 2011, 01:19

Replies: 27

Multi-Row Radial Engine Questions

Views: 11,376

Posted By barit1

Pratt & Whitney R-4360-20 first start on Vimeo

Pratt & Whitney R-4360-20 first start on Vimeo

Forum: Tech Log

6th Apr 2011, 22:28

Replies: 27

Multi-Row Radial Engine Questions

Views: 11,376

Posted By barit1

Fair enough question; but blow-in doors in a jet...

Fair enough question; but blow-in doors in a jet inlet only work at low IAS where the static pressure inside is less than on the outside of the inlet. The compressor (or fan) draws a partial vacuum...

Forum: Tech Log

28th Jan 2011, 19:17

Replies: 27

Multi-Row Radial Engine Questions

Views: 11,376

Posted By barit1

cowl flaps

Not exactly on topic...

The B-17 with its Wright Cyclones (single row, 9 cylinders) running 1200 hp. had cowl flaps, as did most large radials.

But the prewar Boeing 307, basically the same...

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