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Zenith-List Digest: Jabiru FWF Ivoprop

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Craig.Spainhower(at)exelo
Guest

Posted: Fri Nov 09, 2007 1:21 pm Post subject: Zenith-List Digest: Jabiru FWF Ivoprop

I strongly considered the Ivoprop with my lyc 0-235. The issues that lead me to choose the Warp drive prop were; the Medium  prop is only rated (according to their website) for 100 hp on direct drive engines. Also using an in-flight adjustable prop prohibits the plane from being flown under LSA rules. I know of one individual running an Ivoprop and he installed the Magnum, which is twice the weight at 26 pounds. I really liked the idea of an in-flight adjustable prop but I think the Warp drive optimized for cruise will work fine for me.



Craig S.

Hi all,

Just wondering if anyone has any experience with the Australian Jabiru 

FWF,as compared to the US version, for the XL.

Also, Ivoprop makes an electrically adjustable prop they claim will fit 

on the 3300, any comments on this?

Darryl.



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Gig Giacona

Joined: 10 Jan 2006
Posts: 1416
Location: El Dorado Arkansas USA

Posted: Fri Nov 09, 2007 1:44 pm Post subject: Re: Zenith-List Digest: Jabiru FWF Ivoprop

Completely unscientific but interesting none the less.



A Google search with the words



Ivo prop failures produces 60,400 results



Warp Drive Prop failures produces 14,900



Sensenich Prop failures produces only 970



Now think about how long Sensenich has been in business.



Also admittedly many people probably misspell Sensenich but I'll still go with them.

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_________________
W.R. "Gig" Giacona
601XL Under Construction
See my progress at www.peoamerica.net/N601WR

larry(at)macsmachine.com
Guest

Posted: Fri Nov 09, 2007 4:40 pm Post subject: Zenith-List Digest: Jabiru FWF Ivoprop

Gig,

The search doesn't say whether these were failures contemplated, 

failures searched or failure to go as fast as desired.

You need a better stick than that.  Warp Drive owners props are lifetime 

warranted which is hard to beat.

Lycoming is old too and still paying for their bad cranks.



Larry McFarland  601HDS at macsmachine.com

do not archive



Gig Giacona wrote:

 	  Quote: 	
		   



 Completely unscientific but interesting none the less.



 A Google search with the words



 Ivo prop failures produces 60,400 results



 Warp Drive Prop failures produces 14,900



 Sensenich Prop failures produces only 970



 Now think about how long Sensenich has been in business.



 Also admittedly many people probably misspell Sensenich but I'll still go with them.



 --------

 W.R. &quot;Gig&quot; Giacona

 601XL Under Construction

 See my progress at www.peoamerica.net/N601WR





 Read this topic online here:



 http://forums.matronics.com/viewtopic.php?p=144838#144838

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Gig Giacona

Joined: 10 Jan 2006
Posts: 1416
Location: El Dorado Arkansas USA

Posted: Fri Nov 09, 2007 11:19 pm Post subject: Re: Zenith-List Digest: Jabiru FWF Ivoprop

Larry, I said it was completely unscientific but I think the difference between the three with that search term is interesting. That's big ass difference.



 	  larry(at)macsmachine.com wrote: 	
		  Gig,

The search doesn't say whether these were failures contemplated, 

failures searched or failure to go as fast as desired.

You need a better stick than that.  Warp Drive owners props are lifetime 

warranted which is hard to beat.

Lycoming is old too and still paying for their bad cranks.

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_________________
W.R. "Gig" Giacona
601XL Under Construction
See my progress at www.peoamerica.net/N601WR

ProWash

Joined: 26 Apr 2007
Posts: 18

Posted: Sat Nov 10, 2007 1:31 pm Post subject: Re: Zenith-List Digest: Jabiru FWF Ivoprop

Unscientific and equally as interesting,,,



A Yahoo Search using the words  



IVO prop success... 2930 Results

Warp Drive prop success.... 80200 Results

Sensenich prop success... 306 Results



I don't know if I feel better now or not.

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_________________
R Craig
North Central Arkansas
N701LR CH701 SP ELB
30 HRS into Phase One testing
Do Not Archive

purplemoon99(at)bellsouth
Guest

Posted: Sat Nov 10, 2007 9:42 pm Post subject: Zenith-List Digest: Jabiru FWF Ivoprop

How about a Princr P-Tip / You have the best of both worlds,climb,and 

cruise. It's afixed pitch prop that flexes ! go to Aircraft Spruce or Google 

Prince P-Tip propeller , It's one hell of a prop .,and the best people in 

the world to deal with,if you call the co. to talk prop's,you'll talk to the 

owner,Lonnie Prince. He's  been  buildind props for about 25 years or more 

for guy's like Rutan, G.E. ,U.S. Gov. the list goes on and on Alot of people 

have never heard of him, I haden't untill a friend of mine told me about 

them, One of the best thing's  I ever did for my plane. 130 H.P. (at)1800 

F.P.M. ,and it will do better than that...           Joe N101HD 601XL/RAM

---

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jetboy

Joined: 22 Jul 2006
Posts: 233

Posted: Sun Nov 11, 2007 12:09 am Post subject: Re: Zenith-List Digest: Jabiru FWF Ivoprop

Darryl,

You need to do some research. Download the Jabiru manuals and see the props that they approve. I think the only  non- wood one is the Sensenich hollow carbon fire. There is good reason for their decisions. But they wont tell you. And its not because they want to sell a line of props.



The Ivoprop attachment scheme is not up to the torque reversals applied by the Jab and the Warpdrive hub and blades get eaten for breakfast. I'm not making this up one of the associations - PFA or one of the UK equivalents - not sure - has AD'd these parts off of Jabirus and they can only be used elsewhere if no cracks and total time is less than 10 hours, otherwise they are scrap.



This problem is common to most direct drive engines, in the Jabiru case it may also be a factor in the flywheel attach bolts problem.



701 drivers have reported good results with the Prince p tips, and the wood Sensenich. Reports on the Carbon model yield same performance as a good wood one, only advantage is its ground adjustable.



Ralph

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