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From: Rick v100 <rickv100-at-yahoo.com>
Subject: Re: First bench test of MK2 TTS [TANKS]
Date: Mon, 1 Aug 2005 09:00:07 -0700 (PDT)
Reply-To: tanks-at-rctankcombat.com

Can we get a picture of these wheels? 

Thanks,
Rick 


--- Grant Mahalek <gmahalek-at-shaw.ca> wrote:

> Hey Paul,
> 
> I'am going to be using 1/2" hardened steel shaft for
> my drive and idler 
> axles....what are you using?.....a while back Steve
> Tyng recommended 5/8" if 
> memory serves.....
> 
> I found solid rubber wheels at the local Princess
> Auto store in Calgary, AB. 
> I'am hoping these will work well....4 3/8" dia., 3
> 1/4" wide, with 3/16" 
> grooves running the full width of the wheel, Delrin
> bearing, which I popped 
> out and replaced with two flanged bearings for the
> idler wheels. I inserted 
> two olite bushings into the Delrin for the drive
> wheels(to drop dia. to 
> 1/2").
> 
> There are a few things about these rubber wheels
> that I think makes them 
> unique. Namely, the evenly spaced 3/16"
> grooves(perpendicular to the track 
> rotation) that run around the circumference of the
> wheel, the texture of the 
> wheel and the ease of machining/sawing/cutting the
> wheel.  I cut a 5/8" wide 
> by 5/8" deep groove down the middle of the wheels to
> capture the centering 
> key of each inside track on the TTS using my
> table-saw....what a hooot that 
> was. Considering these factors this should be a
> "kick ass" drive 
> system.....I hope LOL.....  The 3/16" perendicular
> grooves on the surface of 
> the drive wheels should act loosely  to "key" the
> wooden inner tracks in 
> place and thus limit track slippage to a large
> degree.
> 
> The texture of the drive wheels, the 3/16" grooves,
> ease of machining, low 
> cost($8CAN ea.) and availability seem ideal.  Time
> will tell....things 
> usually don't go this smoothly!
> 
> For those interested..... me thinks these wheels are
> used as rollers for 
> boat trailers.
> 
> 
> ----- Original Message ----- 
> From: "paul needham" <paul.2.needham-at-btconnect.com>
> To: <tanks-at-rctankcombat.com>
> Sent: Monday, August 01, 2005 6:38 AM
> Subject: RE: First bench test of MK2 TTS [TANKS]
> 
> 
> > Bart
> >
> > Ideas yes ... You aint experienced TTS until you
> have tried to get it to
> > drive.
> >
> > My Hetzer was tensioned up as much as I dare and
> it could drive on
> > concrete and turn ok.
> > Got onto mowed grass [ short ] would go in a
> straight line but not turn
> > ..answer more tension!.
> > Got onto short grass [ 1 - 2 ]inches would go in a
> straight line but not
> > turn ..answer more tension!!.
> > Got onto long grass would go in a straight line
> but not turn ..answer no
> > not more tension <grin> insufficient power in the
> KCMS so now needs more
> > power.
> >
> > I had in the end got enough tension to bend the
> sides if the top is not
> > on and the whole thing creaks like a sailing ship.
> >
> > Paul ' add the tension ' Needham
> >
> > -----Original Message-----
> > From: tanks-admin-at-rctankcombat.com
> [mailto:tanks-admin-at-rctankcombat.com]
> > On Behalf Of Bart Salmons
> > Sent: 01 August 2005 03:33
> > To: tanks-at-rctankcombat.com
> > Subject: Re: First bench test of MK2 TTS [TANKS]
> >
> >
> > So does weight of the chasis seem to affect an
> ability to skid turn
> > guys?
> > Does the vehicle's weight on the roadwheels help
> to keep the TTS tracks
> > from
> > slipping off?  In about 4 inch high grass my
> Shermanchasis wantto
> > twistthe
> > tracks off.   any ideers?
> >
> > Bart Salmons (BSC)
> > Slammer 6
> >
> > -- 
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> 
> 
>