>> 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
>
>
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