[Heathkit] Heathkit Parts (bottom cover for an HR-10 Receiver)

[DCrespy at aol.com]

I have had my HR-10 since I built it new in 1963..  Anyway years ago,  I 
figured out that I would never get it to hold alignment with the stock steel  
bottom cover.  
 
Because of stray capacitance introduced by the cover, alignment  will change 
when it is re-installed.  I have seen a lot of HR-10s with  the bottom covers 
drilled for access to the tuning slugs (so you don't have to  remove the 
cover).  I tried this, but found further that the "oil canning"  of the cover would 
also affect alignment.  So, I had a piece of 1/8"  aluminum sheared to fit (I 
think I started with 12" aluminum rack  panel?).  I drilled it for slug 
access and have not had a problem  since.  
 
So Tom, unless you are restoring the radio for a collection (ie. you don'  
plan to use it), I would not use a stock bottom cover.  Have a better one  made.
 
73
Harry  KG5LO
Saline MI