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701 propellers

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SockPuppet61

Joined: 12 Oct 2007
Posts: 15

Posted: Mon Oct 22, 2007 9:28 pm Post subject: 701 propellers

There's a propeller manufacturer that does an in-flight adjustable propeller. I'm not sure if it's electric or what -- it's not the hydraulic kind requiring oil from the engine.



Maybe more than one manufacturer has such propellers.



Anyone have experience with them? Positive? Negative?

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shilcom

Joined: 28 Sep 2007
Posts: 63

Posted: Tue Oct 23, 2007 3:51 am Post subject: 701 propellers

IVO and others do this.  IVO had some "growing  pains" at first with slip rings and others, but seem to be OK now.  Bob U.  

 [quote]   ---

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Dave Nixon

Joined: 20 Sep 2007
Posts: 25

Posted: Tue Oct 23, 2007 12:23 pm Post subject: Re: 701 propellers

For those using the 3300A engine, IVOP is NOT recommended. IVOP is a electric, in-flight adjustable system.  My buddy has one on his CH601HDS with a Subaru engine with a Propeller Gear Reduction Unit. His Subaru is water cooled with the radiator hanging out into the slip stream below his cowl. Does not rely on the prop for cooling air. 



The IVOP unit, upon closer examination, has no wind generation capability within 12 -14inches  from the hub. The propeller base is round and not shaped for air generation. The 3300 A needs that forced air into the cowling for cylinder head cooling especially for ground taxiing. Don't know how it affects other engines needing similar cooling. But Pete from JabiruUSA was quite clear about that during recent engine install workshop. 

Dave Nixon 

CH601XL 

90/90

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leo(at)zuehlfield.com
Guest

Posted: Tue Oct 23, 2007 1:18 pm Post subject: 701 propellers

For the Rotax 912UL my 2 blade Magnum Ivoprop works GREAT.  I have a 

Rotax radiator mounted inside the unmodified Zenith  HDS cowling, behind 

the engine and just forward of the firewall.  My Rotax oil cooler is 

mounted on the front of the engine per Zenith bracket and instructions.  

I have to taxi 1/2 mile to the end of the runway from my hangar.  On a 

100 degree Texas summer day the oil temp gets up to 200 and water temp 

to 210 .  I am very pleased with the prop.



Leo Gates

N601Z



Dave Nixon wrote:

 	  Quote: 	
		   



 For those using the 3300A engine, IVOP is NOT recommended. IVOP is a electric, in-flight adjustable system.  My buddy has one on his CH601HDS with a Subaru engine with a Propeller Gear Reduction Unit. His Subaru is water cooled with the radiator hanging out into the slip stream below his cowl. Does not rely on the prop for cooling air. 



 The IVOP unit, upon closer examination, has no wind generation capability within 12 -14inches  from the hub. The propeller base is round and not shaped for air generation. The 3300 A needs that forced air into the cowling for cylinder head cooling especially for ground taxiing. Don't know how it affects other engines needing similar cooling. But Pete from JabiruUSA was quite clear about that during recent engine install workshop. 

 Dave Nixon 

 CH601XL 

 90/90

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n801bh(at)netzero.com
Guest

Posted: Tue Oct 23, 2007 1:47 pm Post subject: 701 propellers

I run both the three blade Ivo 76" Magnum series and the three blade 84"Magnum Paddle series blades on my 801 and the blade profile is not anything like you describe. Altho my radiator is under the plane I get plenty of air through my cowling to cool my oil and exhaust system. 

do not archive 

Ben Haas

N801BH

www.haaspowerair.com



-- "Dave Nixon" <adnasap(at)bellsouth.net> wrote:

--> Zenith-List message posted by: "Dave Nixon" <adnasap(at)bellsouth.net>



For those using the 3300A engine, IVOP is NOT recommended. IVOP is a electric, in-flight adjustable system.  My buddy has one on his CH601HDS with a Subaru engine with a Propeller Gear Reduction Unit. His Subaru is water cooled with the radiator hanging out into the slip stream below his cowl. Does not rely on the prop for cooling air. 



The IVOP unit, upon closer examination, has no wind generation capability within 12 -14inches  from the hub. The propeller base is round and not shaped for air generation. The 3300 A needs that forced air into the cowling for cylinder head cooling especially for ground taxiing. Don't know how it affects other engines needing similar cooling. But Pete from JabiruUSA was quite clear about that during recent engine install workshop. 

Dave Nixon 

CH601XL 

90/90





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