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Forum: Tech Log

29th Jan 2011, 11:22

Replies: 27

Multi-Row Radial Engine Questions

Views: 11,401

Posted By Old Ag

The breakthroughs for the large double row radial...

The breakthroughs for the large double row radial came around 1939 for P&W and 1941 for Wright. It was all slide rule and trial and error. For the R2800, P&W broke many engines on the test stands...

Forum: Tech Log

28th Jan 2011, 21:17

Replies: 27

Multi-Row Radial Engine Questions

Views: 11,401

Posted By Old Ag

Careful cylinder offset was also necessary to...

Careful cylinder offset was also necessary to combat vibration inertial forces.Limiting vibration in large double row radials requires masterful engineering with master rod offset, crankshaft design,...

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