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slyck(at)frontiernet.net
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 Posted: Wed Mar 18, 2009 5:40 am Post subject: prop comparisons |
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You may have seen this but for those who haven't :http://www.stolspeed.com/props-comparison
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[quote][b]
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JetPilot
Joined: 10 Jan 2006
Posts: 1246
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| Posted: Wed Mar 18, 2009 4:50 pm Post subject: Re: prop comparisons |
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That is very good information, makes me very glad I got a Warp Drive prop ! Since the performance is so close, the warp has the advantage of being far stronger than all the others.
Mike
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"NO FEAR" - If you have no fear you did not go as fast as you could have !!!
Kolb MK-III Xtra, 912-S |
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lucien
Joined: 03 Jun 2007
Posts: 721
Location: santa fe, NM
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| Posted: Thu Mar 19, 2009 9:46 am Post subject: Re: prop comparisons |
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| JetPilot wrote: | That is very good information, makes me very glad I got a Warp Drive prop ! Since the performance is so close, the warp has the advantage of being far stronger than all the others.
Mike |
Interesting that he complained about how heavy the warp drive was. I suppose compared to the others its MOI is higher, especially with the square blades.
My taper tip seems to be light as a feather compared to the IVO medium. perhaps the removal of the material at the end of the blades reduces the MOI even more.
Still settling in the adustments on mine. I must say, with all those bolts, I do kind of miss the easy pitch adjust of the IVO (tho that's the only thing I miss about it).
LS
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LS
Titan II SS |
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JetPilot
Joined: 10 Jan 2006
Posts: 1246
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| Posted: Thu Mar 19, 2009 10:12 am Post subject: Re: prop comparisons |
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The Warp Drive prop takes longer to adjust the pitch on, but once you get it right you probably wont have to do it again for years. I have not touched mine since I put it on the plane and got it dialed in. I like the strength, the simplicity, and the ability to adjust each blade to perfection on the Warp Drive prop. Like a lot of things, what you get out of it depends on the effort you put in.
Any updates on your testing Lucien ? Have you done any flying out of the pattern with it yet ?
Mike
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Kolb MK-III Xtra, 912-S |
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lucien
Joined: 03 Jun 2007
Posts: 721
Location: santa fe, NM
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| Posted: Thu Mar 19, 2009 11:32 am Post subject: Re: prop comparisons |
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| JetPilot wrote: | The Warp Drive prop takes longer to adjust the pitch on, but once you get it right you probably wont have to do it again for years. I have not touched mine since I put it on the plane and got it dialed in. I like the strength, the simplicity, and the ability to adjust each blade to perfection on the Warp Drive prop. Like a lot of things, what you get out of it depends on the effort you put in.
Any updates on your testing Lucien ? Have you done any flying out of the pattern with it yet ?
Mike |
No, still havn't left the pattern  . The windows where there's flyable winds and I have time are tiny little slivers in the late afternoon here and there. And when I do get to go up I like to concentrate on landings to keep the rust off....
I went up again yesteday and recorded between 5350 and 5450 on climbout (that's varying between Vy of 65mph and about 80mph). But I did try straight-level on downwind by flying a larger pattern. At 5100 or so I only get a little over 90mph indicated and it's easy to tell it'd definitely overspeed if I tried WOT.
Seems like that's a little underpropped so just went out over my lunch break and added 1/2 degree of pitch.
So I'm pretty close to a good pitch setting, hopefully I'll find the sweet spot soon.
The climb rate is pretty spectacular at Vy with it the way it was, tho. between 900 and 1000fpm sustained at a density altitude of around 8500' MSL.... I'll have to give a little of that back with the additional pitch but it's still good climb for where I'm at.
LS
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LS
Titan II SS |
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