Hi Harry, On the slack side. It requires less spring pressure. Regards Clif ----- Original Message ----- From: "Harry Wade" <hww@xxxxxxxx> To: <modeleng@xxxxxxxxxxxxx> Sent: Thursday, November 22, 2007 2:04 PM Subject: [modeleng] Re: Mystery thread > Jeff, > Ths isn't a saw problem, which was made in the USA, the thread problem was > with the gearbox - David Brown/Made in UK. In any case the thread problem > is solved as I described in my last post - I simply tapped for a new > grubscrew. The motor drive unit is now assembled and installed and runs > very nicely. > > My next task will be to fabricate the step pulleys and this brings me to a > question for the group, which is, . . . in order to slack the V-belt for > speed changes I plan to use an idler pulley and in thinking about that it > occurred to me that the idler must be on the "slack" side of the driving > pulley as opposed to the "pulling" side. Am I correct in this, or does it > matter in the long run? > > Regards, > Harry > > -----Original Message----- >>From: Jeff D <jeffdayman@xxxxxxxxxxxx> >>This machine is Rockwell and will either be made in USA or Taiwan. It is >>very unlikely that it would have any Whitworth or cycle threads. > > MODEL ENGINEERING DISCUSSION LIST. > > To UNSUBSCRIBE from this list, send a blank email to, > modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject > line. > > > -- > No virus found in this incoming message. > Checked by AVG Free Edition. > Version: 7.5.503 / Virus Database: 269.16.4/1145 - Release Date: > 22/11/2007 11:49 > MODEL ENGINEERING DISCUSSION LIST. To UNSUBSCRIBE from this list, send a blank email to, modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line.