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RE: Engines Comparison - 3/28/2008 7:15:21 PM   
asmund


 

Posts: 1826
Joined: 11/20/2005
From: Floroe, NORWAY
Status: offline 		The ASP XL 120 AR is competitive with the AX 120. It is cheap and when fitted with the GMS 120 muffler it is only 1 oz heavier than the AX. I know this because I own the ASP and "yallaair" owns the AX and we have compared them extensively (we are neigbours)
We get the exact same tach readings on all tested props.

I was also interested in the SK 130, but got the ASP 120 instead because my research reveled that the SK would be quite alot heavier.
I still want one though, just because I like to compare different engines

(in reply to yallaair)
       Post #: 26

RE: Engines Comparison - 3/28/2008 8:41:08 PM   
liquid_TR



Posts: 427
Joined: 4/8/2007
From: ISTANBUL, TURKEY
Status: offline 		yallair, which brand did you use for the 16x6 and 17x6? JXF Black or APC?

Im getting ~8200 rpm max with MenZ 17x6 on my 120AX. OS F plug, 15% nitro, head shim and baffle in place, all stock. Incredible power + transition and It pulls like a joke!

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LiQuid TR

(in reply to asmund)
       Post #: 27

RE: Engines Comparison - 3/28/2008 10:44:06 PM   
yallaair



Posts: 210
Joined: 1/1/2006
From: Floro, NORWAY
Status: offline 		Hi!
With the Volk 17x6, I get 8500 RPM peak RPM. For 3D flying and peak performance out of hover, I have to go 200-300 RPM rich on the ground. Haven't done any static thrust measurements.

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Darn the ground..... and the jumping trees

(in reply to liquid_TR)
       Post #: 28

RE: Engines Comparison - 3/29/2008 1:12:12 AM   
alfredbmor



Posts: 911
Joined: 6/1/2005
From: El Paso, TX, USA
Status: offline 		I think that those are very respetable readings from a two stroke engine, I suppose that if I do not do any mod (Headshim and baffle) I should expect ~200 rpm less.

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(in reply to yallaair)
       Post #: 29

RE: Engines Comparison - 4/28/2008 9:42:46 PM   
alfredbmor



Posts: 911
Joined: 6/1/2005
From: El Paso, TX, USA
Status: offline 		Which prop do you recomend to break in an OS 1.20 AX (I have just ordered from Tower) ?

I also ordered a 16 x 8 APC prop. that I am thinking to use with my CG Ultimate

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Saito Club Member

(in reply to alfredbmor)
       Post #: 30

RE: Engines Comparison - 4/30/2008 1:47:51 AM   
ShortField



Posts: 29
Joined: 8/16/2007
From: Lake Zurich, IL, USA
Status: offline 		I'm turning An APC 17x4 with my AX 120 and I get a static run up of 9200 rpm's it's pulling my Wild Stik with authority



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RunWay? What RunWay??

(in reply to alfredbmor)
       Post #: 31

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