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From: drakelist-boun...@zerobeat.net [mailto:drakelist-boun...@zerobeat.net]
On Behalf Of gypsym...@aol.com
Sent: Wednesday, February 11, 2009 9:11 AM
To: Drakelist@zerobeat.net
Subject: [Drakelist] cooling fan noise
Hello to the group,
Am working with my TR 5.
Initially used a R.S. fan bu
On the TR7 I use a 12V fan slowed down to about 9V with 4 series silicon
diodes. Does a great job and no noise.
John K5MO
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y, February 11, 2009 4:14:44 PM
Subject: Re: [Drakelist] cooling fan noise
Carl,
I just installed a 24v EBM-Pabst fan on the back of my TR7. Getting 12v out of
the radio to run at about half speed. I then put a 2w 80 ohm resistor in
series to slow the fan down more yet. This is the third try at
dual set in a frame I made
sitting on top of my L4B and the L4PS. Works great.
David
Wd9cmd
- Original Message -
From: gypsym...@aol.com
To: Drakelist@zerobeat.net
Sent: Wednesday, February 11, 2009 12:11 PM
Subject: [Drakelist] cooling fan noise
Hello to the group,
Am
Hello to the group,
Am working with my TR 5.
Initially used a R.S. fan but was way to noisy.
Read the archives. Evan K9SQG said he used 220 V. ...soo
A Boxer 230 V. with ball bearings "Pewee" starts and runs fine.
Still to noisy. Made neoprene washers for the metal to metal mount...no
help.
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