>>
>> How many of you amp builders make a mock up of the chassis and layout in
>> "cardboard" before you start cutting, bending and drilling metal?
>>
>> Lee - K0WA
>We always do a cad drawing and or place the parts without fastening
>before
>starting any significant project
>Paul K0UYA
Another use for a cardboard box prototype is to check the air flow
through the blower and tube/socket. This can save a lot of grief later
on!
A simple method of measuring volume flow is to time how long it takes to
inflate a thin plastic garbage bag placed over the exhaust port. (For
details, search the archives of this group for "garbage bag".)
--
73 from Ian GM3SEK
http://www.ifwtech.co.uk/g3sek
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