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Prop clearance

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aslink

Joined: 23 Jul 2011
Posts: 25

Posted: Thu May 30, 2013 5:57 pm Post subject: Prop clearance

Kolbers,

  

 Would be interested in hearing what prop to  fuselage tube clearance you are running?  Particularly those with HKS or  Rotax engines.  

 Thanks,

 Andy

   [quote][b]

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Andy

John Hauck

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

Posted: Thu May 30, 2013 6:03 pm Post subject: Prop clearance

Would be interested in hearing what prop to fuselage tube clearance you are running?  Particularly those with HKS or Rotax engines.  



Thanks,



Andy

[quote]   Working from memory, which is dangerous, I have run 1.5" (recommended by Kolb) down to .75", with engines from 582 to 912ULS. john hmkIIITitus, Alabama [b]

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John Hauck
MKIII/912ULS
hauck's holler
Titus, Alabama

Richard Pike

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

Posted: Fri May 31, 2013 4:09 am Post subject: Re: Prop clearance

Depends on how flexible your prop is, and your tolerance for noise. With a non-flexible prop, you can do like John does and run the bare minimum. With a flexible prop, 4" might not be enough. 



Also, the further away, the quieter. (And yes, I do have an Ivo hub extension to sell...)



Also, I still have a Firestar II left wing to get rid of. Free. Come get it and haul it off.

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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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