1948 170

How to keep the Cessna 170 flying and airworthy.

Moderators: GAHorn, Karl Towle, Bruce Fenstermacher

Re: 1948 170

Postby brianm » Sun Dec 18, 2022 9:27 pm

The '48 has one 12.5 gallon tank in the left wing and two 12.5 gallon tanks in the right wing. The story I've heard is that Cessna was reusing tanks from the 140.

It was not uncommon to see an additional 12.5 gallon tank added to the left wing. It just mirrors the right wing installation.
You do want to check your paperwork to make sure the mod was properly approved. There was never an STC, so it would have been done on a field approval. Getting a fuel system modification approved these days could be tough.
Brian M
N2669V - '48
User avatar
Posts: 121
Joined: Fri Dec 09, 2016 12:04 am
Location: Grayslake, IL

Re: 1948 170

Postby GAHorn » Tue Dec 20, 2022 6:09 pm

marktoula1 wrote:Gang,

Ive read the information you suggested relative to the differences between the 170 models. Am I correct that a 48' 170 would have 3 fuel cells? I ask because my metalized wings have 2 fuel tanks so would that have been a modification made when the wings were covered with metal? Getting to chat with everyone is extremely helpful so I am open to suggestions, ideas, and opinions.


The original 170 had three C-140, 12.5 gal fuel tanks… two in the right wing, one in the left. Some owners have added a second tank to the left.
'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. ;)
User avatar
Posts: 20527
Joined: Fri Apr 12, 2002 8:45 pm
Location: Spicewood (Austin), Texas

Re: 1948 170

Postby marktoula1 » Mon Jan 02, 2023 10:10 pm

I have a new question if anyone has experience. I need to remove my prop which has been on the engine a long time. (25 years) Removed all the bolts, wobbled it, and it is still tight and isn't budging, any tips to get it loose?
User avatar
Posts: 10
Joined: Sat Dec 03, 2022 1:07 am

Re: 1948 170

Postby Bruce Fenstermacher » Mon Jan 02, 2023 11:03 pm

Never had to tackle that problem but if I did I'd spray the hub/prop flange joins with a good penetrant such as KROIL. I'd then heat the prop hub with a hot air gun. This could take a while. Then proceed to wiggle with 1 person on each blade.
CAUTION - My forum posts may be worth what you paid for them!

Bruce Fenstermacher, Past President, TIC170A
N7A '49 170A -More original than most making folks GREEN with envy
N42532 '45 J-3 Clipped Wing Cub
User avatar
Bruce Fenstermacher
Posts: 10157
Joined: Tue Apr 23, 2002 11:24 am
Location: Telford, PA Based at UKT


Return to The Hangar

Who is online

Users browsing this forum: No registered users and 12 guests