[Elecraft] KPA500 Transformer

[Nr4c]

 No,  no. The torque wrench is used to insure the proper torque is applied. 

A torque wrench is not a torque multiplier, it is a measurement instrument. 

Sent from my iPhone
...nr4c. bill


> On Oct 20, 2020, at 6:33 AM, Alan - G4GNX <g4gnx at g4gnx.com> wrote:
> 
> Then perhaps someone needs to educate Elecraft not to specify use of a torque wrench, in their assembly instructions. ;-)
> 
> 73,
> 
> Alan. G4GNX
> 
> 
> ------ Original Message ------
> From: "Bert" <ve3nr at bell.net>
> To: elecraft at mailman.qth.net
> Sent: 20/10/2020 05:15:21
> Subject: Re: [Elecraft] KPA500 Transformer
> 
>> Toroidal transformers cause very little acoustic hum, unless the core
>> is not tightly wound or the copper wire windings are loose!
>> 
>> If you have to tighten the mounting bolt with a torque wrench
>> to get the transformer quiet, something is wrong!
>> 
>> Bert VE3NR
>> 
> 
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