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  #1  
Old 09-19-2010, 08:27 AM
Bill Wightman's Avatar
Bill Wightman Bill Wightman is offline
 
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Default Spinner - cowl alignment adjustment?

Whats a good way to adjust the spinner/cowl alignment? After mounting our new WW200RV prop and spinner, the spinner is sitting about 1/8" low. But I'd like to raise it 1/4" to account for a little sag in the future.

Can we washer up between the engine mount pads and firewall, or should it be done in the dynafocal mount bosses?

Thx...
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  #2  
Old 09-19-2010, 09:43 AM
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az_gila az_gila is offline
 
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Location: 57AZ - NW Tucson area
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Smile Standard practise...

Quote:
Originally Posted by Bill Wightman View Post
....
Can we washer up between the engine mount pads and firewall, or should it be done in the dynafocal mount bosses?

Thx...
...is to add shims between the rubber engine mount and the steel mount weldment.

AN970 washers or the fancier (and more $) Lord part numbers.

It's around 3 or 4 to 1 mechanical ratio, so a 1/16 washer (a single AN970) should do the trick.
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  #3  
Old 09-19-2010, 11:06 AM
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Bill Wightman Bill Wightman is offline
 
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Thanks very much Gil. I think I understand... but just to be sure:



Here's where the AN970 would go, right?
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?The important thing in aeroplanes is that they shall be speedy.?
- Baron Manfred von Richthofen


RV8 under construction
RV4 - Sold

United B777 FO, Chicago
Aero Engineer
RV8
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  #4  
Old 09-19-2010, 01:52 PM
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az_gila az_gila is offline
 
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Smile Probably better if...

Quote:
Originally Posted by Bill Wightman View Post
Thanks very much Gil. I think I understand... but just to be sure:

<snip>

Here's where the AN970 would go, right?
...it went next to the existing J-221861 washers.

Sorry... my poor description earlier...
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EAA Technical Counselor, Airframe Mechanic
Half completed RV-10 QB purchased
RV-6A N61GX - finally flying
Grumman Tiger N12GA - flying
La Cholla Airpark (57AZ) Tucson AZ
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  #5  
Old 09-19-2010, 01:55 PM
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Bill Wightman Bill Wightman is offline
 
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Ahh - got it! Thx again Gil.
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