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AirMike
Joined: 27 Feb 2007
Posts: 514
Location: Nevada
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 Posted: Mon Jan 26, 2009 11:26 pm Post subject: Spinner cutout - accounting for prop pitch |
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Yea , Yea , I know that I am supposed to be an airplane builder, but this is a kit.
In the interest of safety alone , you would think that Van's would supply a proper template to cut out the prop spinner. One poorly cut spinner could be catastrophic for a builder. After all there are now hundreds of RV10 kits with Hartzell props being built.
Peter James posted this file some months ago.....link......below
http://forums.matronics.com/viewtopic.php?t=48798&highlight=spinner
It is a template for the prop spinner cutout. Big question??????
Does this template provide for the rotation of the prop at different pitches?
I hate the idea of forcing the springs/blades with external force to get the exact cut out dimensions.
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_________________
See you OSH '18
Q/B - sold. |
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Tim Olson
Joined: 25 Jan 2007
Posts: 2879
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| Posted: Tue Jan 27, 2009 7:07 am Post subject: Spinner cutout - accounting for prop pitch |
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Why the big aversion to twisting the blades? I just didn't
see this as a significantly complex problem. I don't know
that I'd trust a template if I had one unless it was guaranteed
to be perfect. But alignment of the template alone would make
me worry about getting that part right. At least with twisting
you can slowly tweak it until it's just big enough.
Tim Olson - RV-10 N104CD - Flying
do not archive
AirMike wrote:
| Quote: |
Yea , Yea , I know that I am supposed to be an airplane builder, but
this is a kit.
In the interest of safety alone , you would think that Van's would
supply a proper template to cut out the prop spinner. One poorly cut
spinner could be catastrophic for a builder. After all there are now
hundreds of RV10 kits with Hartzell props being built.
Peter James posted this file some months ago.....link......below
http://forums.matronics.com/viewtopic.php?t=48798&highlight=spinner
It is a template for the prop spinner cutout. Big question??????
Does this template provide for the rotation of the prop at different
pitches?
I hate the idea of forcing the springs/blades with external force to
get the exact cut out dimensions.
-------- OSH '08 or Bust (busted) be there in "09 Q/B Kit -
wiring and FWF
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p 27029#227029
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pitts_pilot(at)bellsouth.
Guest
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| Posted: Tue Jan 27, 2009 10:22 am Post subject: Spinner cutout - accounting for prop pitch |
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AirMike wrote:
| Quote: |
Yea , Yea , I know that I am supposed to be an airplane builder, but this is a kit.
In the interest of safety alone , you would think that Van's would supply a proper template to cut out the prop spinner. One poorly cut spinner could be catastrophic for a builder. After all there are now hundreds of RV10 kits with Hartzell props being built.
Peter James posted this file some months ago.....link......below
http://forums.matronics.com/viewtopic.php?t=48798&highlight=spinner
It is a template for the prop spinner cutout. Big question??????
Does this template provide for the rotation of the prop at different pitches?
I hate the idea of forcing the springs/blades with external force to get the exact cut out dimensions.
Make an 'arm' to fit one end over the midpoint of the blade. Use it to
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twist the blade. Prop shops do it all the time.
Linn
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Jim Berry
Joined: 10 Jan 2006
Posts: 237
Location: Denver
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| Posted: Tue Jan 27, 2009 10:32 am Post subject: Re: Spinner cutout - accounting for prop pitch |
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When I first saw the template I didn't think there was any way that it provided clearance for blade twist, so I emailed Hartzell tech support. They assured me it would work. After cutting to the template, I did twist the blades just to be certain. Every thing fits well.
Jim Berry
40482
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