ORIGINAL: CHM

Do it open exhaust and with a wraparound pitts muffler. B&B style noise diverters and Zinger props don't count. Come on guys...go big or stay home. You are fighting for the reputation of the G62.

Chuck

Prop test...G62...Altitude 6800 feet...Temp 55 degrees...Fuel 32-1 oil, 87 octane gas..TNC tach..No muffler..My ignition, timimg at 28 degrees BTDC..Tried more, no difference...
22-10 Top flite 6900
24-10 Zinger 6000
24-8 PK 6000
22-6-10 Zinger 7200
22-10 Zinger 6700
22-10 MSC 6300
22-8 Menz S 7300

Here's a few more numbers to throw out there. New G62 on stock ignition, B&B muffler, 3 gallons of fuel through it and now on Stihl oil at 50:1. Broke in on 2 gallons at 32:1. Temperature was 50 degrees, I'm at 580 MSL. Needles are still just a tad on the rich side, but not burbling at all. Just not peaked. No needle adjustment was made between prop changes, and all props were flown for a flight to compare flight characteristics and engine performance.

22x10 Mejzlik 7350
23x8 Mejzlik 6750
22x10 Menz S 6650
22x10 Bolly Wood 6900
22x8(cut down 23x8) Bolly Wood 7050