Go Back  RCU Forums > RC Airplanes > Crash & Rebuild
carbon landing gear crack >

carbon landing gear crack

Crash & Rebuild Post your crash stories, pictures and if you want to document your rebuild you can do that here too!

carbon landing gear crack

Old 01-01-2015, 12:20 PM
Thread Starter
Join Date: Apr 2007
Posts: 207
Received 1 Like on 1 Post
Default carbon landing gear crack

Hello Some weeks ago I had a bad landing and had to rebuild the lower fuelage on my 30cc plane. I used plywood and I noticed the carbon landing gear had a crack on the lower part only a slight delamination on upper part but the gear seems sturdy and strong. I contacted the maker of the gear and told me to pour some thin ca on the crack. I did, and it has been holding nice for 5 flights as of now, no further delamination etc. Should I keep it or replace it?

This is the underside the other side is only a few mm and barely noticeable.

Last edited by Fulcrum2111; 01-01-2015 at 12:49 PM.
Old 01-01-2015, 06:22 PM
My Feedback: (29)
speedracerntrixie's Avatar
Join Date: Jun 2010
Location: Happy Valley, Oregon
Posts: 9,542
Received 177 Likes on 152 Posts

I would scuff an inch on either side of the crack and apply a couple fiberglass patches with thin CA as well. As long as it holds up I would keep using it.
Old 01-09-2015, 04:36 PM
Senior Member
Villa's Avatar
Join Date: Aug 2003
Location: Wilson, NC,
Posts: 2,057
Likes: 0
Received 0 Likes on 0 Posts

I would be inclined to replace the gear.
Old 01-11-2015, 07:44 AM
Thread Starter
Join Date: Apr 2007
Posts: 207
Received 1 Like on 1 Post

It is holding without further delamination, I used CA on it and is working just fine. However, I will put a patch of ca soaked carbon fiber cloth over it. I am not spending more money on this trainer unless it cracks again.
Old 01-12-2015, 08:24 AM
donnyman's Avatar
Join Date: Jul 2008
Location: Manor, TX But my heart is in Brooklyn N.Y.
Posts: 2,362
Received 125 Likes on 98 Posts

If you do it properly it probably wont.
Old 01-18-2015, 02:34 AM
Thread Starter
Join Date: Apr 2007
Posts: 207
Received 1 Like on 1 Post

I have repaired it with a patch of carbon fiber fabric and CA. I think it is fine.

Attached Thumbnails Click image for larger version

Name:	20150118_112224.jpg
Views:	103
Size:	1.04 MB
ID:	2064842   Click image for larger version

Name:	20150118_112249.jpg
Views:	117
Size:	1.09 MB
ID:	2064843   Click image for larger version

Name:	20150118_112301.jpg
Views:	94
Size:	1.20 MB
ID:	2064844   Click image for larger version

Name:	20150118_112422.jpg
Views:	88
Size:	1.12 MB
ID:	2064845  
Old 03-12-2015, 09:36 AM
Senior Member
Join Date: Jan 2011
Location: SorrentoBritish Columbia, CANADA
Posts: 2,018
Likes: 0
Received 0 Likes on 0 Posts

If it cracks again replace it with Du-Bro's Super Strength Landing Gear . It is ment for 35 to 60 size planes . It weighs 4 3/4 ozs . It absorbs the shock of a rough landing . I dosen't bend like wire or aluminum . You can paint it . I have been using it for a few years now and I have never had one fail ,never had one break or bend or anything . I really like them .
Old 03-13-2015, 12:37 PM
My Feedback: (6)
Greg Wright's Avatar
Join Date: Sep 2008
Location: Illinois
Posts: 2,243
Likes: 0
Received 8 Likes on 6 Posts


Last edited by Greg Wright; 03-13-2015 at 12:42 PM.
Old 03-27-2015, 04:02 AM
slipknot 26's Avatar
Join Date: Jun 2013
Location: South East Florida
Posts: 84
Likes: 0
Received 0 Likes on 0 Posts

Had the same problem on my 50 cc Edge. Fixed it by holding the Wet/Dry Vac at the back of the crack and applied CA to the front and let the vac suck in the CA. It worked for 3 landings and then failed costing me a rather expensive propeller. No more Carbon Fiber gear for me. I would replace it ASAP!!!
Old 03-28-2015, 04:40 AM
Join Date: Mar 2013
Location: Winnipeg, MB, CANADA
Posts: 751
Likes: 0
Received 0 Likes on 0 Posts

I like using the Dubro super strength LG as BikerBC stated, I wish they would make them in some larger sizes though, they are 13" wide by 4" tall or 14 and 1/2" by 4 and 1/2" depending on where you check the specs? Never had trouble with them.


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are On

Thread Tools
Search this Thread

Contact Us - Manage Preferences Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

Copyright © 2024 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.