Eganwp
Posts: 756
Score: 113
Joined: 1/7/2008
Last Login: 7/21/2012
From: Calgary,
AB, CANADA
Status: offline
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My Testing Results
5% Omega; 12*C; 2% added castor oil, after 10 tanks break-in, wood bench tests; stock head shims in place; OS #8; sealed engine
Stock Muffler:
Prop, RPM, Thrust (lbs), Speed (n.mph), HP
MAS 10x7, 15,450, 8.35, 89, 1.60
APC 10x8, 13,000, 6.81, 87.6, 1.18
MAS 11x6, 13,700, 8.24, 67.6, 1.42
Tower Hobbies $15 tuned muffler (GMS):
Prop, RPM, Thrust (lbs), Speed (mph), HP
APC 10x8, 13,650, 7.17, 89.9, 1.27
MAS 11x5, 15,400, 9.32, 63.4, 1.71
MAS 11x6, 14,200, 8.85, 70.1, 1.58
MAS 11x7, 13,200, 8.41, 76, 1.47
For reference: My OS 55ax w/ 8 gallons through it turns APC 10x8 on the same muffler @ 13,950 on this setup/fuel. I confirmed its RPM at the same time of testing. This is with head shim removed on 5%.
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35% H9 Extra 300 - DLE-111 | 33% Lanier Yak 54 - DL-100 | 30% Peak Edge 540T - DLE-55 | SkyWalker Long Range FPV
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All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> Tachometer Readings >> ASP 52 
ASP 52 - 
