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tc1917(at)hughes.net
Guest

Posted: Sat Dec 09, 2006 3:52 am Post subject: props

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
Guest

Posted: Sat Dec 09, 2006 4:20 am Post subject: props

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

Posted: Sat Dec 09, 2006 4:34 am Post subject: Re: props

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

Richard Pike

Joined: 09 Jan 2006
Posts: 1671
Location: Blountville, Tennessee

Posted: Sat Dec 09, 2006 7:16 am Post subject: props

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.

John Hauck

Joined: 09 Jan 2006
Posts: 4639
Location: Titus, Alabama (hauck's holler)

Posted: Sat Dec 09, 2006 7:34 am Post subject: props

|  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

Dennis.Kirby(at)kirtland.
Guest

Posted: Mon Dec 11, 2006 12:32 pm Post subject: props

<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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