exactly, typically in hardware stores they are there for people who need to drill holes in cupboard doors for euro style hinges (32mm from memory)
Ben ________________________________________ From: [email protected] [[email protected]] on behalf of Thomas Lum [[email protected]] Sent: Wednesday, December 16, 2009 7:50 AM To: [email protected] Subject: Re: [TANKS] Re: Wheels and Sprockets They are also good if you want a flat bottom (with just a little indent in the center) in the piece you are drilling and don't want the hole to go all the way through. On Dec 15, 2009, at 3:46 PM, Doug Conn wrote: >>> for really precise holes in plywood get yourself a nice Forstner bit set > > I see those in the hardware store and I always wonder what they were for. > Just another useful tidbit of knowledge gleaned from this group ! > > - Doug > > -----Original Message----- > From: [email protected] [mailto:[email protected]] > On Behalf Of Steve Tyng > Sent: Tuesday, December 15, 2009 3:34 PM > To: R/C Tank Combat > Subject: [TANKS] Re: Wheels and Sprockets > > I concur, a power miter saw is a good way to make wheels (and somewhat > safer). The road wheels on T047 (http://rctankcombat.com/tanks/T047/) > were made this way. The Cromwell's turret rotate drive and elevate > wheels were also cut on the miter-saw (http://rctankcombat.com/tanks/ > T040/13Cromwell038-large.jpg, > http://rctankcombat.com/tanks/T040/13Cromwell036-large.jpg). > > Hint: for really precise wheels bore the center bearing hole first and > use the actual bearings and shafting you will use in the tank to build > your rotate jig. Another hint: for really precise holes in plywood > get yourself a nice Forstner bit set. Don't waste your time with > twist or spade bits. > > Steve Tyng > > > On Dec 14, 6:09 pm, neroc <[email protected]> wrote: >> Clark my good man , I found the best way of making plywood wheels was >> with a chop sawhttp://www.rctankcombat.com/tanks/T051/22-large.jpg >> I bolted the work piece down securely with a large nut and rotated the >> wheel taking off smaller and smaller `chunks` . The foto doesn’t show >> a wheel as such but the principle is the same . >> I don’t like the idea of wheel making with a table saw , control is >> vital . >> >> Neil R >> >> On Dec 13, 4:26 pm, Clark Ward Jr <[email protected]> wrote: >> >>> You guys who cut sprockets on your bandsaws... is there a >>> sprocket-drawing-page online that'll do the mathematical heavy lifting >>> and draw me a pattern? >> >>> And for the many fellows who've cut roadwheels on their tablesaws with >>> a jig: how do you deal with avoiding kickback of the little pieces >>> that get cut off? >> >>> Many thanks! :) >> >>> -- >>> Clark in Georgia >> >> > > -- > You are currently subscribed to the "R/C Tank Combat" group. > To post a message, send email to [email protected] > To unsubscribe, send email to [email protected] > Visit the group at http://groups.google.com/group/rctankcombat > > -- > You are currently subscribed to the "R/C Tank Combat" group. > To post a message, send email to [email protected] > To unsubscribe, send email to [email protected] > Visit the group at http://groups.google.com/group/rctankcombat -- You are currently subscribed to the "R/C Tank Combat" group. To post a message, send email to [email protected] To unsubscribe, send email to [email protected] Visit the group at http://groups.google.com/group/rctankcombat -- You are currently subscribed to the "R/C Tank Combat" group. To post a message, send email to [email protected] To unsubscribe, send email to [email protected] Visit the group at http://groups.google.com/group/rctankcombat
