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tc1917(at)hughes.net
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 Posted: Sat Dec 09, 2006 3:52 am Post subject: props |
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I have read thru the archieves and still dont really know if I would be
better off with a warp drive prop on my sling shot or not. I have a 582,
three blad IVO on it now with an E box and about 1 1/2 " of shim behind the
prop to bring it away from the ails. my buddy has about the same exact set
up, 2.62 gears in his C box and flys circles around me with a 68' three
blade warp. Now, my plane is a little heavier but he is physically heavier
so that cant be all that. I have my engine mounted probably an inch or so
higher than his so I can fold the wings. that might be some of it but he
drinks way less gas and climbs like an bat out of hell and suffers no take
off lag. Is it or could it just be the warp is just that much better? what
say you kolb gouls? these are both new blue heads and our temps are almost
the same. ted cowan, alabama.
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flykolb(at)pa.net
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| Posted: Sat Dec 09, 2006 4:20 am Post subject: props |
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Ted,
The faster UL's such as your SS will do better with the warp.
I like Ivos for the FF and FS, but not for the SS. I tried Ivos on both the
582 powered SS and the much faster 582 powered Laser and the Ivos are
definitely not as fast. The Laser suffered more speed loss than the SS - the
faster the aircraft the larger the speed loss with Ivo. (Now I am referring
to the smaller x-section Ivo blade; had no experience with the larger HP
ivos.) If you want to out run your buddy, put on a 2-blade warp. But I'd
stay with the 3-blade warp for smoothness.
Dennis
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John Jung
Joined: 10 Jan 2006
Posts: 108
Location: Surprise, AZ, USA
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| Posted: Sat Dec 09, 2006 4:34 am Post subject: Re: props |
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Ted,
Here is an idea: Exchange props for a day or two and see what happens to performance. Then, let the rest of us know.
In my experience, there is little or no difference in performance between the Warp and the IVO.
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_________________
John Jung
Firestar II N6163J
Surprise, AZ |
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Richard Pike
Joined: 09 Jan 2006
Posts: 1671
Location: Blountville, Tennessee
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| Posted: Sat Dec 09, 2006 7:16 am Post subject: props |
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Do you also have 2.62 gears like your buddy does? If so, try taking off one
of your three blades (It doesn't matter which one... <grin>) and making it
a two blade Ivo. Prop if for about 6250 rpm at 50 mph on climbout and see
what happens top end. If that doesn't work, follow Dennis Souder's advice
and buy a 2 blade Warp. And let us know how things turn out.
Richard Pike
MKIII N420P (420ldPoops)
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Richard Pike
Kolb MKIII N420P (420ldPoops)
Kingsport, TN 3TN0
Forgiving is tough, being forgiven is wonderful, and God's grace really is amazing. |
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John Hauck
Joined: 09 Jan 2006
Posts: 4639
Location: Titus, Alabama (hauck's holler)
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| Posted: Sat Dec 09, 2006 7:34 am Post subject: props |
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| Is it or could it just be the warp is just that much better?
ted cowan,
Ted C:
What is your engine rpm at WOT straight and level flight?
john h
mkIII
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John Hauck
MKIII/912ULS
hauck's holler
Titus, Alabama |
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Dennis.Kirby(at)kirtland.
Guest
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| Posted: Mon Dec 11, 2006 12:32 pm Post subject: props |
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<Classification: UNCLASSIFIED
< I have a 582, three blad IVO on it now with an E box … my buddy has a his C box and flys circles around me with a 68' three blade warp. Is it or could it just be the warp is just that much better? what say you kolb gouls? ted cowan >>
Hi, Ted –
I can only speak experience with Powerfins, so I cannot comment on how it compares with the Warp. But, if you’d like first-hand experience for YOURSELF, I have a 68” Powerfin for sale, three-blade, right-hand rotation. Only 25 hrs total time, $375. It’s an “F” model, which has fairly wide blades. We’d love to hear about you outperforming your buddy!
Dennis Kirby
Mark-III, 912ul, Powerfin-72
do not archive
Classification: UNCLASSIFIED
[quote][b]
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