jett muffler-120ax
05-19-2009, 01:00 PM
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RE: jett muffler-120ax
mmmm...... should attach bolt-wise ok. I think the bolt holes are the same as the OS91. With the OS120 you have to run at least once spacer because of the way the exhaust port aligns.
You will still need the Toni extension kit, or something similar.
You will still need the Toni extension kit, or something similar.
05-22-2009, 12:10 PM
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RE: jett muffler-120ax
ORIGINAL: russm
gained 1000 rpm w/ the jett muffler ( gold ) vs the stock muffler. 15% synth fuel, 14-8 apc prop, 10450 to 11450
gained 1000 rpm w/ the jett muffler ( gold ) vs the stock muffler. 15% synth fuel, 14-8 apc prop, 10450 to 11450
Nice......
Probably will unload another 300-400 in flight. Getsit right to the 12,000 rpm mark where the mufflerreallybegins to help out.
With that big of a prop, that 1000 rpm represents a bigggggg HPincrease.
05-22-2009, 09:13 PM
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RE: jett muffler-120ax
it felt like it in the air.the fit was good and the jett muffler is lighter as well.it also hugs the fuse a little tighter than the stock muffler. it all adds up to better performance nice setup.
05-23-2009, 10:18 PM
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RE: jett muffler-120ax
ORIGINAL: CustomPC
The 1.20AX bolt holes are spaced at 48mm compared to 42mm for the ..61 through to .91 sizes.
The 1.20AX bolt holes are spaced at 48mm compared to 42mm for the ..61 through to .91 sizes.
