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PCU5000X Governor vs Hartzell

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Tim Olson

Joined: 25 Jan 2007
Posts: 2872

Posted: Mon Sep 21, 2015 12:28 pm Post subject: PCU5000X Governor vs Hartzell

Hi all,  sorry to cross-post to 2 forums. Generally I don't do

that, but the RV-14 forum doesn't get any posts so at least

this one will go there.



As with all the other kits for the RV-14, Van's is taking

what in builders lifetimes is "forever" getting their FWF kit

out.  I need to get some things fitted up, now that I have

my engine hung, such as the prop control cable.

So I want to buy my prop governor, and start working on that.



For the IO-390, it uses a .895:1 ratio governor, and on one

of the Van's planes they used the Hartzell S-1-79.   The lever

comes clocked to 180 degrees.   From a bit of googling, it

sounds like *perhaps* the Hartzell's are an older design, but

I hear conflicting things like the S-1 series were developed

for Van's, and have more oil flow.



Then, there is the PCU5000X P-520-029/A-947, that is the proper

gear ratio and model for the IO-390 that I've installed.

They claim to be newer designed, with high oil flows too.



Seeing as though Van's is so ultra-slow in getting the FWF kit

together, they don't have stock of the governors for the IO-390

at all.  I'd like to get one ordered, and can get a PCU5000X

for about the same price as the Hartzell's that Van's sells.

I know some people love the PCU5000X.  I know many who

have a Hartzell.  Does anyone have any info on either that

would push me in one direction or the other?



I love pictures, if you have any, too.



Tim

RV-10 N104CD (2006 to present)

RV-14 (FWF/Finishing)

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dmaib@me.com

Joined: 25 Apr 2006
Posts: 454
Location: New Smyrna Beach, Florida

Posted: Mon Sep 21, 2015 1:32 pm Post subject: PCU5000X Governor vs Hartzell

I got my PCU 5000X through a group buy at VAF, too. 7 years and a bit over 700 hours it has been flawless. I would not hesitate to install one. 



David Maib

 	  Quote: 	
		   On Sep 21, 2015, at 4:28 PM, Tim Olson <Tim(at)MyRV10.com> wrote:

 

 

 

 Hi all,  sorry to cross-post to 2 forums. Generally I don't do

 that, but the RV-14 forum doesn't get any posts so at least

 this one will go there.

 

 As with all the other kits for the RV-14, Van's is taking

 what in builders lifetimes is "forever" getting their FWF kit

 out.  I need to get some things fitted up, now that I have

 my engine hung, such as the prop control cable.

 So I want to buy my prop governor, and start working on that.

 

 For the IO-390, it uses a .895:1 ratio governor, and on one

 of the Van's planes they used the Hartzell S-1-79.   The lever

 comes clocked to 180 degrees.   From a bit of googling, it

 sounds like *perhaps* the Hartzell's are an older design, but

 I hear conflicting things like the S-1 series were developed

 for Van's, and have more oil flow.

 

 Then, there is the PCU5000X P-520-029/A-947, that is the proper

 gear ratio and model for the IO-390 that I've installed.

 They claim to be newer designed, with high oil flows too.

 

 Seeing as though Van's is so ultra-slow in getting the FWF kit

 together, they don't have stock of the governors for the IO-390

 at all.  I'd like to get one ordered, and can get a PCU5000X

 for about the same price as the Hartzell's that Van's sells.

 I know some people love the PCU5000X.  I know many who

 have a Hartzell.  Does anyone have any info on either that

 would push me in one direction or the other?

 

 I love pictures, if you have any, too.

 

 Tim

 RV-10 N104CD (2006 to present)

 RV-14 (FWF/Finishing)

- The Matronics RV10-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:

http://www.matronics.com/Navigator?RV10-List

_________________
David Maib
RV-10 #40559
New Smyrna Beach, FL

Bob Turner

Joined: 03 Jan 2009
Posts: 885
Location: Castro Valley, CA

Posted: Mon Sep 21, 2015 2:45 pm Post subject: Re: PCU5000X Governor vs Hartzell

I think that, generally speaking, governors are important in the sense that a failure is bad. Consequently, they tend to be built as bullet proof as possible, so it would be rare that one was "really better" than another, unless there is a fit problem with baffling, etc.

I put the Hartzell governor (sorry, I don't have the model number handy) on my IO-540/RV-10, and it has been flawless, just as I would hope. It is very easy to move the clocking of the arm around, if that is what you were asking.

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_________________
Bob Turner
RV-10 QB

rleffler

Joined: 05 Nov 2006
Posts: 680

Posted: Mon Sep 21, 2015 3:24 pm Post subject: PCU5000X Governor vs Hartzell

I have a Hartzell S-1-32 on my RV-10.   I've not had any issues with the governor.  I did have to get a slightly longer arm to work with the per the plans hole on the baffle ramp.



bob



--

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_________________
Bob Leffler
N410BL - Phase I
http://mykitlog.com/rleffler

Bob Turner

Joined: 03 Jan 2009
Posts: 885
Location: Castro Valley, CA

Posted: Mon Sep 21, 2015 3:53 pm Post subject: Re: PCU5000X Governor vs Hartzell

 	  rleffler wrote: 	
		  I have a Hartzell S-1-32 on my RV-10.   I've not had any issues with the governor.  I did have to get a slightly longer arm to work with the per the plans hole on the baffle ramp.



bob



-- 	




Strangely enough I did not need to change the arm. Maybe Vans switched to a longer arm? Or push-pull vs quadrant (I have push-pull)?  I don't know.

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_________________
Bob Turner
RV-10 QB

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