Make that BT-20-A ----- Original Message ----- From: "Bill Smith" <[EMAIL PROTECTED]> To: "Discussion of AM Radio in the Amateur Service" <amradio@mailman.qth.net> Sent: Monday, April 02, 2007 12:29 PM Subject: Re: [AMRadio] Motor revisited
> > ----- Original Message ----- > From: "Rick Brashear" <[EMAIL PROTECTED]> > To: "'Discussion of AM Radio in the Amateur Service'" > <amradio@mailman.qth.net> > > > I have been unable to find a 2 RPM Synchron motor for the timing delay on > > the old GE BT-20-A I am bringing back to life. I can find plenty 1 RPM, > > however. Other than taking a full minute to allow B+ to be activated > > instead of 30 seconds, I can see no reason why it wouldn't serve the same > > purpose. I sometimes overlook the obvious, can any of you guys see > reason > > why this would not work? > > > > Thanks, > > Rick/K5IZ > > The manual states a delay of 30 seconds delay due to the operation of 1K1. > Perhaps the motor has been changed in the BA-10A here, but the measured > delay is 1 minute. The motor looks original (can't read the speed without > disassembling the unit). > > Never noticed the additional delay here, other than normal impatience. > > If you replace the motor, make sure it has either the correct gearing or an > extended shaft. It doesn't look like a generic motor to me. > > Bill > > ______________________________________________________________ > AMRadio mailing list > List Rules (must read!): http://w5ami.net/amradiofaq.html > List Home: http://mailman.qth.net/mailman/listinfo/amradio > Partner Website: http://www.amfone.net > Help: http://mailman.qth.net/mmfaq.html > Post: mailto:AMRadio@mailman.qth.net > To unsubscribe, send an email to [EMAIL PROTECTED] with > the word unsubscribe in the message body. ______________________________________________________________ AMRadio mailing list List Rules (must read!): http://w5ami.net/amradiofaq.html List Home: http://mailman.qth.net/mailman/listinfo/amradio Partner Website: http://www.amfone.net Help: http://mailman.qth.net/mmfaq.html Post: mailto:AMRadio@mailman.qth.net To unsubscribe, send an email to [EMAIL PROTECTED] with the word unsubscribe in the message body.
