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Governor for Whirlwind Prop

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chasb(at)satx.rr.com
Guest

Posted: Thu Feb 09, 2006 9:30 am Post subject: Governor for Whirlwind Prop

For you users of Whirlwind props, what governor are you using?



WW recommends the Jihostroj P920 which sells for approx $1,250. Van

sells the MT P860-4 governor (also made by Jihostroj) for $1050.



Will Van's MT governor work on a WW 150-151 prop which requires a

pressure of 450-475 PSI?  Do MT props require the same high pressure to

operate?



Any fit problems with either governor?



Thanks,



Charlie Brame

RV-6A  N11CB

San Antonio

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randy(at)romeolima.com
Guest

Posted: Thu Feb 09, 2006 12:14 pm Post subject: Governor for Whirlwind Prop

 	  Quote: 	
		   WW recommends the Jihostroj P920 which sells for approx $1,250. Van

 sells the MT P860-4 governor (also made by Jihostroj) for $1050.



 Will Van's MT governor work on a WW 150-151 prop which requires a

 pressure of 450-475 PSI?  Do MT props require the same high pressure to

 operate?


	


Due to a smaller piston in the hub the WW 150-151 require the governor 

pressure to be in the 425 psi range rather than the 325-350 range. WW buys 

the Jihostroj governors specially modified for the higher pressure, 

therefore the MT version won't work for the WW 150-151.



Randy Lervold

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LessDragProd(at)aol.com
Guest

Posted: Thu Feb 09, 2006 1:54 pm Post subject: Governor for Whirlwind Prop

Are you saying that the modified Jihostroj P920 governor is the only  

governor that operates the Whirlwind 150-151 propeller?

 

BTW, Jihostroj made the P-4xx series governor for MT Propeller.

The P-8xx series governor number became necessary to differentiate a newly  

certified manufacturer for an identical performing governor.

 

Jim Ayers

 

In a message dated 02/09/2006 12:15:51 PM Pacific Standard Time,  

randy(at)romeolima.com writes:






 	  Quote: 	
		   WW recommends the Jihostroj P920 which  sells for approx $1,250. Van

 sells the MT P860-4 governor (also made  by Jihostroj) for $1050.



 Will Van's MT governor work on a WW  150-151 prop which requires a

 pressure of 450-475 PSI?  Do MT  props require the same high pressure to

 operate?


	


Due to a  smaller piston in the hub the WW 150-151 require the governor 

pressure to  be in the 425 psi range rather than the 325-350 range. WW buys 

the  Jihostroj governors specially modified for the higher pressure, 

therefore  the MT version won't work for the WW 150-151.



Randy  Lervold

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randy(at)romeolima.com
Guest

Posted: Thu Feb 09, 2006 2:22 pm Post subject: Governor for Whirlwind Prop

 	  Quote: 	
		   Are you saying that the modified Jihostroj P920 governor is the only  

 governor that operates the Whirlwind 150-151 propeller?


	


Yes, as far as I know. Check with WW to be sure...

www.whirlwindaviation.com



Randy Lervold

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chasb(at)satx.rr.com
Guest

Posted: Mon Feb 13, 2006 1:05 pm Post subject: Governor for Whirlwind Prop

Thanks Randy,



Finally got hold of the WW folks who said the same thing as you did.

Ordered a new Jihostroj from them.



Interestingly, the folks at Van's insisted their MT governor should

work.



Thanks for the reply.



Charlie Brame

RV-6A  N11CB

San Antonio



-----------------------------------------------------



 	  Quote: 	
		   Time: 12:14:23 PM PST US

 From: "Randy Lervold"

 Subject: Re: Governor for Whirlwind Prop



 



 > WW recommends the Jihostroj P920 which sells for approx $1,250. Van

 > sells the MT P860-4 governor (also made by Jihostroj) for $1050.

 >

 > Will Van's MT governor work on a WW 150-151 prop which requires a

 > pressure of 450-475 PSI?  Do MT props require the same high pressure to

 > operate?



 Due to a smaller piston in the hub the WW 150-151 require the governor

 pressure to be in the 425 psi range rather than the 325-350 range. WW buys

 the Jihostroj governors specially modified for the higher pressure,

 therefore the MT version won't work for the WW 150-151.



 Randy Lervold

- The Matronics RV-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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