Wheel Fairings

How to keep the Cessna 170 flying and airworthy.

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sea1dww
Posts: 78
Joined: Tue Mar 14, 2006 1:59 am

Wheel Fairings

Post by sea1dww »

Hello All

It seems that I am bound and determined to go through life doing things the hard way. I recently decided that I would like to put wheel fairings on my '54 B. I have seen others with the 172 fiberglass fairings and I liked the look, so I bought them with the 172 backing plates. It wasn't until after I had all the repairs made and the pants painted and ready to install that I found out the 172 backing plates would not fit my axle bolt pattern. So here I sit with newly painted fairings and no way to mount them. I know there is a contingency of club members who have made this conversion. I hope one (or more) of you will share with me just how you made it work. I have rear mounted single puck brakes and cleveland wheels. I'm also wondering about the proper axle nut for the instalation. Someone throw me a life line, what's the skinny on making these fit? Any help is greatly appreciated.

Dave
N1946C
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GAHorn
Posts: 21016
Joined: Fri Apr 12, 2002 8:45 pm

Re: Wheel Fairings

Post by GAHorn »

What do you mean by "axle bolt pattern"? Do you mean the lower bolt holes are not the same as the uppers? (Later axles used AN 5 (5/16") bolts for the uppers and AN 6 (3/8") bolts for the lowers. If your 4 bolt holes are all AN 5, then the lower holes may be drilled out to AN 6 and the edges radiused, when later axles are installed.)

The end nut of axles are not catellated when wheel fairings are installed. Instead, special nuts are utilized (Cessna PN 0441130)
'53 B-model N146YS SN:25713
50th Anniversary of Flight Model. Winner-Best Original 170B, 100th Anniversary of Flight Convention.
An originality nut (mostly) for the right reasons. ;)
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GAHorn
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Joined: Fri Apr 12, 2002 8:45 pm

Re: Wheel Fairings

Post by GAHorn »

Here's what the wheel fairing axle nuts look like:
Image
'53 B-model N146YS SN:25713
50th Anniversary of Flight Model. Winner-Best Original 170B, 100th Anniversary of Flight Convention.
An originality nut (mostly) for the right reasons. ;)
sea1dww
Posts: 78
Joined: Tue Mar 14, 2006 1:59 am

Re: Wheel Fairings

Post by sea1dww »

The axle bolt pattern has a different spread between the holes on the backing plates (wider) than the pattern on my "lady Leg" gear. I believe the pants and backing plates came from a 172 with the tubular gear. This may account for the different bolt pattern. The backing plates are also designed for a brake caliper forward position. I understand that the brakes are easily moved from the rear to the front, so that part should not be a problem. I think I'll have to manufacture the backing plates with the "lady leg" bolt pattern, forward brake relief cutouts, and fiberglass fairing bolt patterns. Does anyone have a pattern or template that I can use? Also, what should the material be made of? I'm also curious if the axle nut has a standard length or if it varies with different styles of wheel fairings. Again, any help would be appreciated.

Dave
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trake
Posts: 161
Joined: Wed Jul 24, 2002 1:34 am

Re: Wheel Fairings

Post by trake »

Dont move your brakes to the front. You'll have to re-route the brake lines from along the rear of the gear legs. Thats ugly and draggy, the opposite of what you want.
Tracy Ake
1955 cessna 170b
sn26936
N2993D
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GAHorn
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Joined: Fri Apr 12, 2002 8:45 pm

Re: Wheel Fairings

Post by GAHorn »

Spruce sells mount plate blanks. The nuts may come in different lengths. Measure yours.
'53 B-model N146YS SN:25713
50th Anniversary of Flight Model. Winner-Best Original 170B, 100th Anniversary of Flight Convention.
An originality nut (mostly) for the right reasons. ;)
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