Crank and Cam failure
Moderators: GAHorn, Karl Towle, Bruce Fenstermacher
- krines
- Posts: 117
- Joined: Thu Oct 02, 2008 12:25 pm
Re: Crank and Cam failure
I agree with you guys on the vacum pump, my whole intention was an engine that I could find parts for. Since my last post I have located a yellow tagged crank or two for the 145 for 8000 or 10000 smackers. This was a prop strike and a new prop is in the works. So George if I where to install an 0-300 crank is there an STC, can I use the same cam and other assorted parts connected to the crank or will those all change as well ? Steve
- Bruce Fenstermacher
- Posts: 10427
- Joined: Tue Apr 23, 2002 11:24 am
Re: Crank and Cam failure
Steve,
All the parts with a few exceptions are the same for all models of C-145 or 0-300. The biggest difference between the C-145/0-300A or B and the 0-300-C, D and E is the crank on the later is a 6 bolt crank verses the 8 bolt in the earlier. Of course the D and E also have an angle starter and those parts are different.
There are ways to install a later C, D or E six bolt crank in a C-145/0-300 A/B and still call your engine what ever model it was. Or you can in effect change what your engine was to a C or D depending on if you also change the starter. If you don't change the model of your engine you don't need and STC to reinstall it. If you change your engine model you need our STC to install it.
Now granted, not all IA's agree that all of the ways to change engine models or use newer cranks in older models is still available for use so you would want to discuss this with your IA before setting on a plan.
All the parts with a few exceptions are the same for all models of C-145 or 0-300. The biggest difference between the C-145/0-300A or B and the 0-300-C, D and E is the crank on the later is a 6 bolt crank verses the 8 bolt in the earlier. Of course the D and E also have an angle starter and those parts are different.
There are ways to install a later C, D or E six bolt crank in a C-145/0-300 A/B and still call your engine what ever model it was. Or you can in effect change what your engine was to a C or D depending on if you also change the starter. If you don't change the model of your engine you don't need and STC to reinstall it. If you change your engine model you need our STC to install it.
Now granted, not all IA's agree that all of the ways to change engine models or use newer cranks in older models is still available for use so you would want to discuss this with your IA before setting on a plan.
CAUTION - My forum posts may be worth what you paid for them!
Bruce Fenstermacher, Past President, TIC170A
Email: brucefenster at gmail.com
Bruce Fenstermacher, Past President, TIC170A
Email: brucefenster at gmail.com
- blueldr
- Posts: 4442
- Joined: Thu May 02, 2002 3:16 am
- krines
- Posts: 117
- Joined: Thu Oct 02, 2008 12:25 pm
Re: Crank and Cam failure
Thanks Bruce that helps alot. I am learning alot more about our ole 170 than I ever wanted to know. Don't let this happen to you.
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- GAHorn
- Posts: 21308
- Joined: Fri Apr 12, 2002 8:45 pm
Re: Crank and Cam failure
OUCH!
Was this a short-landing demonstration? ...or was it a tailwind-landing event? Or perhaps a fast-taxi with hard braking and failure to hold Up-Elevator?
The lower nose cowl may be difficult to replace. Beware of differences in Carb air-scoops in lower cowls.
Was this a short-landing demonstration? ...or was it a tailwind-landing event? Or perhaps a fast-taxi with hard braking and failure to hold Up-Elevator?
The lower nose cowl may be difficult to replace. Beware of differences in Carb air-scoops in lower cowls.
'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.
50th Anniversary of Flight Model. Winner-Best Original 170B, 100th Anniversary of Flight Convention.
An originality nut (mostly) for the right reasons.

- blueldr
- Posts: 4442
- Joined: Thu May 02, 2002 3:16 am
- krines
- Posts: 117
- Joined: Thu Oct 02, 2008 12:25 pm
Re: Crank and Cam failure
Well its a long story but I will make it brief. This is an alfalfa field I have landed in over 200 times. Right next to the Bighorn river. Excellent fishing. I guess I should be more clear this is an irrigated alfalfa field. I always make a pass a ten feet looking for water and that day I did not see it. The rancher opened the flood gates on these fields 2 hours prior to the event so water was actively washing across the fields. By the time I circled to land it started filling up. I touched down wheel landing on dry ground but on the run out hit the deep water. I was too slow to try and save it by adding power. Besides the explosion of water was rather impressive. Saw it all happening in slow motion. Of the first 5 fisherman to show up to aid me I knew 3 so the secret was out. 3 mile walk of shame to the ranch house to round up 4 of the cowboys to help me pull it out of the field. A great landing is on in which you can fly the plane away and a good landing is one in which you walk away from so that there folks was a good landing. Thank god for hooker harnesses. Not even a scratch Steve
-
- Posts: 2560
- Joined: Mon Apr 22, 2002 8:01 pm
Re: Crank and Cam failure
Joe Scoles is selling a lower cowl in the recent monthly
Jim McIntosh..
1953 C170B S/N 25656
02 K1200RS
1953 C170B S/N 25656
02 K1200RS
- Bruce Fenstermacher
- Posts: 10427
- Joined: Tue Apr 23, 2002 11:24 am
Re: Crank and Cam failure
No. Joe Scoles knows of one for sale. That is different.c170b53 wrote:Joe Scoles is selling a lower cowl in the recent monthly
CAUTION - My forum posts may be worth what you paid for them!
Bruce Fenstermacher, Past President, TIC170A
Email: brucefenster at gmail.com
Bruce Fenstermacher, Past President, TIC170A
Email: brucefenster at gmail.com
-
- Posts: 2560
- Joined: Mon Apr 22, 2002 8:01 pm
Re: Crank and Cam failure
Correct, he knows of one for sale and its for a "B"..... So Nevermind. 

Jim McIntosh..
1953 C170B S/N 25656
02 K1200RS
1953 C170B S/N 25656
02 K1200RS
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