[4]

Bonehead of the Day

[3]
[10] Like what you see?
Click here to donate to this forum and upgrade your account!

Sailplane Driver

Registered
Registered
Joined
Feb 15, 2015
Messages
41
Likes
33
#1
I'm building Jan Ritters flame eater engine engine. I changed the threaded fastener sizes from meteric to US standard imperal sizes. I was stumped why the external threads I was putting on the brass supports came out undersized and would pull out of the threaded holes in the cylinder. I then realized that I had used the wrong column in the threading table - minor diameter instead of major diameter. I think I now have a 6-32 instead of an 8-32. Now to cut off the threads and put in studs. DUH.
 

T Bredehoft

Active User
H-M Supporter - Gold Member ($25)
Joined
Dec 27, 2014
Messages
2,633
Likes
2,033
#2
That (or something like it) happens to us all. No worries, just start over.
 

tjb

Terry
H-M Supporter - Gold Member ($25)
Joined
May 3, 2017
Messages
337
Likes
192
#3
Been there, done that more than once. I'm usually relieved that no one's in the shop when I realize what I did.
 

dlane

Active User
H-M Supporter - Gold Member ($25)
Joined
Sep 27, 2014
Messages
2,927
Likes
1,373
#4
Build you a stand for your engine,
The world went bone head
 
[6]
[5] [7]
Top