Starting and stopping. The cylinder measures 1-5/8" bore by 3" stroke and probably will exhibit a lot of "Umph". Al Messer --- Ronald <Ron@xxxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > I cannot see how centrifugal force comes into the > system , could you explain > ?? > ----- Original Message ----- > From: "Allen Messer" <al_messer@xxxxxxxxx> > To: <modeleng@xxxxxxxxxxxxx> > Sent: Thursday, October 14, 2004 3:00 PM > Subject: [modeleng] Re: Saddle keys and etc. > > > You are correct. My concern is would only one screw > present enough surface to keep centrifugal force > from > shearing it in two? > > Al Messer > --- alanjstepney > <alan@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> > wrote: > > > Wilfreid, I think Allen meant the key to go in to > > the face of the > > wheel/axle, and not through the wheel into the > axle. > > > > I reckon that procedure, screw half-and-half, is > OK > > as it has been used for > > many years without problems. > > alan@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx > > > > www.alanstepney.info > > Model Engineering, Steam Engine, and Railway > > technical pages. > > > > ----- Original Message ----- > > From: "Wilfried Vermeiren" > > <vermeiren.wilfried@xxxxxxxxx> > > To: <modeleng@xxxxxxxxxxxxx> > > Sent: Wednesday, October 13, 2004 8:13 PM > > Subject: [modeleng] Re: Saddle keys and etc. > > > > > > > > > > ----------- > > Also, as to "round keys", would two 5-40 (5 BA) > > screws > > installed 180 degrees apart be proper for a 1/2" > > shaft > > with half the hole in the wheel and half in the > > shaft? > > ----------- > > Just an opinion but I think this is asking for > some > > wobble afterwards.=20 > > I was always told NEVER to fix a pulley, handwheel > > or whatever to a = > > shaft > > using one or two opposite positioned setscrews but > > instead to place = > > always > > two at 120=B0. The reason is that the direction of > > the pull is on the = > > opposite > > side from them nicely in-between the remaining > > 240=B0. Giving a sort of > > fixture equal to the tree legged milk chair. > > Since you fix the two screws in-between the axle > and > > the wheel and = > > probably > > in doing so put some stress, drilling and tapping, > > in that place I would > > rather like to seen then at 120=B0 > > Don=92t know off hand the size of 5 Ba but one > looks > > sufficient for a = > > 12.7mm > > axle.=20 > > Regards > > Wilfried Vermeiren > > http://users.skynet.be/modelbouw.wilfried=20 > > updated. > > > > > > 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. > > > > > > > > __________________________________ > Do you Yahoo!? > Yahoo! Mail - You care about security. So do we. > http://promotions.yahoo.com/new_mail > 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. > > 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. > _______________________________ Do you Yahoo!? Declare Yourself - Register online to vote today! http://vote.yahoo.com 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.