Thanks for the info about HP loss I've always used such a rheostat in a light weight application so I have not noticed the loss. Once again thanks for the update.
Tom I've stopped 935 spam messages. You can too! One month FREE spam protection at http://www.cloudmark.com/spamnetsig/? -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Rchard w kennedy Sent: Sunday, October 24, 2004 11:37 AM To: [EMAIL PROTECTED] Subject: Re: ShopTalk: Question for RK! Tom, But the only thing wrong with one of those is that you also lose HP to your motor. Like if you were using a .75 HP motor and you installed one of those you would lose more then 1/2 of your available HP, like 1/2 of .75 HP would equate to .375 HP really not enough to ream properly with but in all actuallity you would lose around 1/4 of the available HP, upfront, that you started out with by just installing one of those on your motor. Your motor would start out at around a .562 HP motor not a .75 HP. So if you were to use the speed reducer and lets say you wanted o run your spindle from 320 down to 160, 1/2 of the present spindle speed you would in essance be using only about a little over a 1/4 HP not the .5 HP min requirrment for reaming, that you realy would need to ream out a hole. If anybody wants to really reduce the spindle speed on their drill press I would recommend that you get a TEK CATALOGUE, and look under "FAN MOTOR[s]", and purchase a half speed motor, from 1725 RPM"s down to 850 RPM, like I did, and install it, plus you get your .5 HP Motor, min required for reaming, but you can also hook it up s a 220 V single phase which give you a lots more torque,no more HP but around twice the torque. Something to think about RK ----- Original Message ----- From: "Tom Barnett" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Saturday, October 23, 2004 2:49 PM Subject: RE: ShopTalk: Question for RK! Buy a variable power supply, works like a rheostat. You will find many uses for it. Tom _____ I've stopped 935 spam messages. You can too! One month FREE spam protection at www.cloudmark.com <http://www.cloudmark.com/spamnet?v1&rc=> <http://www.cloudmark.com/spamnet?v1&rc=> Cloudmark SpamNet - Join the fight against spam! -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED] Sent: Friday, October 22, 2004 5:35 PM To: [EMAIL PROTECTED] Subject: Re: ShopTalk: Question for RK! In a message dated 10/22/04 6:04:45 PM Eastern Daylight Time, [EMAIL PROTECTED] writes: Wish I could rig my press so it would run at around 200, any suggestions Increase the diameter of the pulley that drives the chuck. You might have a clearence problem but you can cut away part of the metal shield (for safety, cage the pulley after the modification). It's tough to get a multispeed pulley like the one supplied with the drill press but you can get drill presses that can be modified for $40 and designate that tool for reaming heads.
