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prop governor changes

 
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dlm46007(at)cox.net
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PostPosted: Sun Jul 08, 2007 11:18 am    Post subject: prop governor changes Reply with quote

Anyone have a detailed description of the change to the MT governor; I seem to recall that it can not be used as delivered.
[quote][b]


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jesse(at)saintaviation.co
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PostPosted: Sun Jul 08, 2007 12:24 pm    Post subject: prop governor changes Reply with quote

Its just a matter of loosening the ring of screws and rotating the center assembly to get full movement from the control cable. No screws need to be removed, just loosened. Wait til you get your peak rpm set before safety-wiring it back in place.

Jesse Saint
Saint Aviation, Inc
jesse(at)saintaviation.com
www.saintaviation.com
352-427-0285

Leather interior kit for the RV-10 -
www.saintaviation.com/interior

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Rick S.



Joined: 12 Feb 2006
Posts: 347
Location: Las Vegas

PostPosted: Sun Jul 08, 2007 2:07 pm    Post subject: prop governor changes Reply with quote

David,

Here is the respone I got from MT:

All P-860-( ) governors are basically the same. The - ( ) number only refers
to the control arm position and the max. rpm of the governor. To change the
control arm, loosen the 6 screws, turn the entire center portion to the
desired position, tighten the 6 screws and safety.

To change max rpm the set screw on the high rpm stop is turned
counterclockwise (out) to increase rpm and clockwise (in) to decrease rpm.
If there is not enough adjustment possible ( 1 turn = 25 rpm) the control
arm must be reset on the spline one notch at the time.

All this can be done on the plane.

To have MT Propeller USA, Inc. modify the governor max. rpm would cost
approx. $100.00, unfortunately the control arm position must be adjusted on
the plane

Best Regards,
Juergen Zahner
mt-propeller USA, Inc.
ph: 386-736-7762
fax:386-736-7696
Juergen.Zahner(at)mt-propellerusa.com


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Rick S.
RV-10
40185
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wcurtis(at)nerv10.com
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PostPosted: Mon Jul 09, 2007 1:54 pm    Post subject: prop governor changes Reply with quote

So what is "the desired position" of the arm for the RV-10? I think we all received the below information a few weeks ago and it is useful, but incomplete.

When the supplied governor is mounted, the arm is pointing down in the 6 o'clock position (max RPM) and moves 90 degrees to the 3 o'clock position. I was thinking of moving it 90 degrees clockwise to the 9 o'clock position or to the 10 o'clock position. This should allow full motion. For those that have done this on the RV-10, what is the best position of the MT governor arm in the maximum and minimum RPM positions. This would be helpful to us all who have the MT governor from the Van's FF kit.

William
http://wcurtis.nerv10.com/

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Deems Davis



Joined: 09 Jan 2006
Posts: 925

PostPosted: Mon Jul 09, 2007 2:19 pm    Post subject: prop governor changes Reply with quote

William, I think the 'best' position depends on how you intend to mount
your prop control cable. If you use the standard Van's supplied mount
the 9-10 o'clock position would be close. HOWEVER. BE Careful as the
change from 3 o'clock to 9 o'clock will reverse the actual operation of
the governor. I.E. a PUSH on the prop control cable with the arm (at) 3
o'clock will have the opposite effect on the governor with the arm
mounted (at) 9 o'clock. I would recommend at least temporarily attaching
your governor cable and verifying the movement, This will also give you
a much better idea of just where you want the arm positioned before you
cut the safety wire and reposition and safety

Deems Davis # 406
Engine / Wiring and Panel Stuff
http://deemsrv10.com/

William Curtis wrote:
[quote]

So what is "the desired position" of the arm for the RV-10? I think we all received the below information a few weeks ago and it is useful, but incomplete.

When the supplied governor is mounted, the arm is pointing down in the 6 o'clock position (max RPM) and moves 90 degrees to the 3 o'clock position. I was thinking of moving it 90 degrees clockwise to the 9 o'clock position or to the 10 o'clock position. This should allow full motion. For those that have done this on the RV-10, what is the best position of the MT governor arm in the maximum and minimum RPM positions. This would be helpful to us all who have the MT governor from the Van's FF kit.

William
http://wcurtis.nerv10.com/

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