[Amps] SB-221 Why is the the variable load capacitor only crimped to the HV circuit?

[R.Measures]

>
>Heres a question for the Heathkit experts or former designers.
>The Heath manual instructs that the connection of the variable load
>capacitor to the HV circuit should only be crimped, as a mechanical wire to
>wire connection. 
>Why was this not soldered? 

•  Is there a thermoplastic component of the Load-C that can melt?  The 
person who wrote it was not a knowledgeable solderer?  

>Surely that would make a more reliable electrical
>path for such an important component?
>
>Jeff ZL4AI
>
>
>
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