[Heath] SB SHAFT COUPLER WANTED!!

[G3OOU at aol.com]

Hi Emil
 
Thanks for your comments. I have used the Revell Acrylic glue to repair the 
 SB-Line dials and as you say, it is thin enough to wick into the small 
cracks. I  sometimes leave a small pool in the centre section but that can take 
two or  three days to fully harden.
 
73

Bob

Bob F Burns G3OOU
C  Eng, FIET, MSE
G-QRP 6907
Secretary of Crystal Palace Radio &  Electronics Club: www.g3oou.co.uk
Technical web site:  www.qsl.net/g3oou
@BobFBurns on Twitter: http://twitter.com/BobFBurns  

 
In a message dated 18/09/2013 18:53:27 GMT Standard Time, wd4scz at aol.com  
writes:

 
Weld-On #3 is a clear, water-thin, very fast  setting solvent cement for 
acrylic plastics, such as Plexiglas or  polycarbonates like Lexan. Used with a 
syringe it is the answer to hairline  crack repairs, like SB- series dial's 
infamous 15 kc crack.  It will wick  down the crack and make a nearly 
invisible repair if you do not use too  much.
 
Weld-On #16 is a medium body, slower setting  cement that makes high 
stronger bonds.  Would be worth a try on couplers  or where a little clouding does 
not matter.
 
They also make a #45 which is used and  approved for aircraft windshield 
repairs, which is how I became familiar  with the product line. 
 
Amazon has the stuff if you can't find it  locally. If you know any 
aircraft mechanics, one of them might have some on  hand.
 
Emil
WD4SCZ


----- Original Message ----- 
From:  _G3OOU at aol.com_ (mailto:G3OOU at aol.com)   
To: _ac1wye at gmail.com_ (mailto:ac1wye at gmail.com)  ; 
_heathkit at mailman.qth.net_ (mailto:heathkit at mailman.qth.net)  ; _heath at puck.nether.net_ 
(mailto:heath at puck.nether.net)  
Sent: Wednesday, September 18, 2013  03:37
Subject: Re: [Heath] SB SHAFT COUPLER  WANTED!!


Hi Sandy
 
These couplers are usually over-tightened and they are not flexible so  the 
strains on them over the years will cause fractures. If you can get any  
acrylic pr Perspex rod of the correct outer diameter and know someone with a  
small model makers lathe they are very easy to make. A small metal bush  
tightly fitted over each end with a clearance hole for the grub screw would  
significantly improve the strength.
 
You may be able to repair your broken one if you can get any acrylic  glue. 
That is easily available in the UK made by Revell but following  an enquiry 
of mine, the manufacturer's US distributor  confirmed that they do not 
import it into the States and our post office  will not accept it in the post. 
Anyone visiting the UK may be able to take a  25g tube back with them in 
their hold luggage?
 
73

Bob




Bob F Burns  G3OOU
C Eng, FIET, MSE
G-QRP 6907
Secretary of Crystal Palace Radio  & Electronics Club: www.g3oou.co.uk
Technical web site:  www.qsl.net/g3oou
@BobFBurns on Twitter: http://twitter.com/BobFBurns  

 
In a message dated 17/09/2013 23:31:08 GMT Standard Time,  ac1wye at gmail.com 
writes:

 
Hi,  folks,


Darn it, just  had to happen...the plastic shaft coupler for the Tune 
control on my  SB-102 is shot. I need another one that isn't cracked or broken 
around the  setscrew threads. Does anyone on the List have one I could buy? 
Don't need  the setscrews (I saved the old ones, HI) but don't mind if they're 
 there!


Thanks, guys!  73,



 
 
 
 
 
 
 
Sandy  AC!Y





Alexander N. Gerli,  Sr.

548 Allred Mill  Road

Mount Airy, NC  27030-2202


Scotsmen walk about 900 miles each  year.

A Scotsman drinks around 45 gallons of Whisky  a year.

Scotsmen get about 20 Miles Per  Gallon.





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