Notices
Scratch Building, Aircraft Design, 3D/CAD If you are starting/building a project from scratch or want to discuss design, CAD or even share 3D design images this is the place. Q&A's.

Fuse sides to glue

Reply

Old 06-16-2019, 04:08 PM
  #1  
Heliman4213
Thread Starter
My Feedback: (1)
 
Join Date: Dec 2010
Location: Pittsford, NY
Posts: 259
Gallery
My Gallery
Models
My Models
Ratings
My Feedback
Default Fuse sides to glue

Starting my Giant Cessna 421C. I know how I would do it but wondering how some of you would glue these pieces together as sen here. I guess I would take 1/64 plywood strip and Hysol or Epoxy over the seem?? Maybe 1 inch overlap on both sides?? What do you guys think??
Thanks



Heliman4213 is offline  
Reply With Quote
Old 07-01-2019, 04:55 AM
  #2  
carlgrover
 
Join Date: Jan 2002
Location: Decatur, AL
Posts: 653
Gallery
My Gallery
Models
My Models
Ratings
My Feedback
Default

I've never seen construction like that. Very hard to tell from the pics of the plans but every fuse I've ever built there would be a doubler that goes over that joint shown on the plans. Study the plans carefully before gluing. As far as gluing them together, I would just use thick CA for the time being. After you've got the fuse farther along and you can know what else goes in that area, then put down a 1" or so doubler right over the seam but only after making sure nothing else goes there first. I would just use thick CA for the seam as well.

Carl
carlgrover is offline  
Reply With Quote
Old 07-02-2019, 05:08 AM
  #3  
FlyerInOKC
My Feedback: (6)
 
FlyerInOKC's Avatar
 
Join Date: Nov 2004
Location: Oklahoma City, OK
Posts: 10,230
Gallery
My Gallery
Models
My Models
Ratings
My Feedback
Default

I prefer Titebond II for those type of joints. If there is a doubler when you glue it weight it down until dry.
FlyerInOKC is online now  
Reply With Quote
Old 07-02-2019, 08:48 AM
  #4  
Skyhawk940
 
Join Date: Nov 2005
Location: sandusky, OH
Posts: 141
Gallery
My Gallery
Models
My Models
Ratings
My Feedback
Default

When I but join two pieces of wood together and want a very smooth joint, I but the two pieces together tight and use blue masking tape along the joint. Use the tape like a hinge to fold the ends apart and apply glue. Lay the parts flat, tape on bottom. Clean up the glue the squooshed out and apply another strip of tape on this side. Wait till dry, remove tape and your joint will be as smooth as a babies butt. Then put a doubler over the joint, !/8" maybe even 1/4" lite plywood, at least..

Last edited by Skyhawk940; 07-02-2019 at 08:53 AM.
Skyhawk940 is online now  
Reply With Quote
Old 07-07-2019, 03:56 AM
  #5  
dirtdart
 
dirtdart's Avatar
 
Join Date: Aug 2016
Posts: 103
Gallery
My Gallery
Models
My Models
Ratings
My Feedback
Default

If I am seeing the picture correctly, those pieces of ply are doubled...two make the thickness? Could be old eyes. If that were the case, they might be staggered, like a half lap splice?

Regardless, totally agree with titebond and a doubler. Your main indicator would be the bulkheads. If there is a doubler there, there ought to be a recess in the bulkhead to fit it. Might help ID the thickness of the doubler as well. I suspect it would be something harder than balsa as well.
dirtdart is offline  
Reply With Quote
Old 07-07-2019, 03:59 AM
  #6  
dirtdart
 
dirtdart's Avatar
 
Join Date: Aug 2016
Posts: 103
Gallery
My Gallery
Models
My Models
Ratings
My Feedback
Default

On a side note, Cape Air used to fly Cessna 421s all the way out in Missouri. They had a Waynesville to St. Louis leg. Since they were single pilot commercial flights, I used to sit next to the pilot flying back and forth. Nice planes those 421s. Once I sat in one that had been used in the TV show "Wings."
dirtdart is offline  
Reply With Quote
Old 07-12-2019, 06:51 PM
  #7  
alex5
 
Join Date: Jan 2006
Location: oakville, ON, CANADA
Posts: 332
Gallery
My Gallery
Models
My Models
Ratings
My Feedback
Default

Click image for larger version

Name:	7.jpg
Views:	16
Size:	50.1 KB
ID:	2264784

Last edited by alex5; 07-12-2019 at 07:21 PM. Reason: change of views
alex5 is offline  
Reply With Quote
Old 07-12-2019, 07:18 PM
  #8  
alex5
 
Join Date: Jan 2006
Location: oakville, ON, CANADA
Posts: 332
Gallery
My Gallery
Models
My Models
Ratings
My Feedback
Default

deleted

Last edited by alex5; 07-12-2019 at 07:24 PM.
alex5 is offline  
Reply With Quote
Old 08-06-2019, 07:12 PM
  #9  
whiskey29
 
Join Date: Dec 2004
Location: Samarinda, INDONESIA
Posts: 117
Gallery
My Gallery
Models
My Models
Ratings
My Feedback
Default

I would use some fast drying glue to tack them, then give a bit doubler with wood glue. 1 inch is plenty IMO,
If anyhting happen to it, it will break at other weaker point.
whiskey29 is offline  
Reply With Quote

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


Thread Tools
Search this Thread

Contact Us Archive Advertising Cookie Policy Privacy Statement Terms of Service