[hpsdr] Pennywhistle

[Chris Smith]

Scotty

Many thanks for the info. The smaller screws I had no trouble finding a key to fit.

So it looks like I need to get myself a better set of Imperial Allen keys :-)

Cheers

Chris
G4NUX


On 16 May 2010, at 19:07, Scott Cowling wrote:

> ***** High Performance Software Defined Radio Discussion List *****
> 
> The large screws are #6-32 x 1/2" with a key size of 7/64".
> 
> The small screws are #4-40 x 1/4" with a key size of 3/32".
> 
> Hope this helps!
> 
> 73,
> Scotty WA2DFI
> 
> 
> At 16:59 2010-03-16 +0000, Chris Smith wrote:
>> ***** High Performance Software Defined Radio Discussion List *****
>> 
>> Hi
>> 
>> I've just completed Pennywhistle all bar tightening the Allen screws that hold the power FETs to the heat-sink.
>> 
>> What size is this key?
>> 
>> I've got a pretty large collection of keys both metric & Imperial but I don't have one to fit. It appears to be smaller than 1/8" and bigger than 3/32" so I'm guessing 7/64". In metric this is smaller than 3mm and bigger than 2.5mm though I'm surmising that as the kit originated in USA the key will be an Imperial size.
>> 
>> Cheers
>> 
>> Chris
>> G4NUX
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