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"Marc en Wendy" <marcmethorst-at-zonnet.nl>
Re: Testrun succesfull!
Sun, 8 Aug 2004 21:10:44 +0200
Regarding the track tension: I drove the tank on a sandy field yesterday and
noticed that the 2nd to 5th road wheels just slightly moved up and down, but
were restricted in their movement (does that word make sense?) by the track
tension. As you said, the first and sixth wheel are rigid and I think this
is a must for the friction drive system. I may not have bothered making
bogies for the 2nd to 5th wheel as I am sure it doesn't make much difference
if all wheels were fixed to the hull directly, like Steve's T005.
From what I have seen now, spring loaded bogies will not work in combination
with the TTS.
The first modification of the tensioning system is on the drawing table and
will be installed in the coming days. I might have to change the idler wheel
shaft aswell as the bolts (M10 size, that's 10 mm thread diameter) that are
welded with their heads in both ends of the tube bend under the tension of
the tracks. I am thinking of placing wheels with a centre hole of 25 mm
directly over a tube and use this tube as the shaft.
The tank will have some trouble driving over grassy terrain as the 'pads'
have quite sharp edges that will dig in to the grass. But we will see how it
performs once the tensioning modification has been taken care of.
----- Original Message -----
From: "JOHN PITTELLI" <jplily-at-yahoo.com>
Sent: Sunday, August 08, 2004 2:07 PM
Subject: Re: Testrun succesfull!
> --- Marc en Wendy <marcmethorst-at-zonnet.nl> wrote:
> Marc, Everything looks great, especially the permanent
> grin on your face. Keep us posted on the next trial.
> Would love to see how well it performs in grass. Also,
> let me know how the suspension is working. We've been
> having a debate about the TTS system and spring loaded
> bogies. My contention was that if the 1st and last
> bogies were rigid it would still allow the track to
> maintain tension while being driven. So , since you've
> built it, great minds obviously think alike,lol, I'm
> waiting for the results before building mine. Keep up
> the good work. John
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