looks great Derek, what are the track pads made from?
On Feb 18, 4:25 pm, Derek Engelhaupt <[email protected]> wrote:
> http://www.youtube.com/watch?v=reSQv7IaBgohttp://www.youtube.com/watch?v=HZk19V_mCAA click
> on watch in high qualityhttp://www.youtube.com/watch?v=XfaZGlA3tOw
>
> There's a couple of early vids with the old tracks. The new tracks
> make a lot more noise.
>
> Derek
>
> On 2/17/09, Tango71 <[email protected]> wrote:
>
>
>
>
>
> > Nice work. Got any video footage of it moving?
>
> > On Feb 17, 7:53 pm, Derek Engelhaupt <[email protected]> wrote:
> > > Sorry for the double post, Gmail is having issues tonight.
>
> > > Derek
>
> > > On 2/17/09, Derek Engelhaupt <[email protected]> wrote:
>
> > > > All of the suspension, track, and motor mount work is done.
> > > > Preliminary testing in the garage looks good. After slamming the
> > > > controls forward and back, left and right, the motor mounts didn't
> > > > move. I was intentionally being hard on it to see if anything broke.
> > > > It was raining/snowing last weekend so I didn't get her out on the
> > > > town, but hopefully this weekend I can get some vids of it in action
> > > > again. I used some of those really cheap car seat springs ($1/piece)
> > > > so that's why there are two of them on most of the suspension arms.
> > > > One is under tension and the other isn't so it acts like a progressive
> > > > spring. I used a different type of shaft collar on the pivots since
> > > > the compression type collars I was using slipped due to lack of grip
> > > > on the 1/2" carriage bolts. The new spring arms are grade 8 1/4"
> > > > bolts. Basically they are just tightened to the point where they dig
> > > > into the 1/2" carriage bolt and have yet to slip. I experimented with
> > > > drilling holes in the 1/2" carriage bolts to accept the grade 8 1/4"
> > > > bolts, but even using a vise and my drill press the holes always ended
> > > > up in slightly the wrong place. The suspension arms have a square
> > > > hole in them to accept the carriage bolts. That way I didn't have to
> > > > weld any of the bolts in place. The motor mounts seem VERY solid now.
> > > > I had to lengthen the drive chains by one link to have more space to
> > > > bolt the "U" channel to the hull. The attachment chain track is on
> > > > the sprockets pretty loose. I had backed my tensioning system all the
> > > > way out during the re-construction and realized that once the new
> > > > tracks were on, it really isn't needed at all at this point. That
> > > > might change once I get it out in the real world, but the option to
> > > > add some tension is still there. I put just enough tension on it to
> > > > keep the rear axle from moving. The gray putty in the pic with the
> > > > track under the mud flap was a repair I had to make. Somehow I
> > > > couldn't get the old sprocket off and started knocking it off with my
> > > > rubber hammer. Long story short, my aim isn't that good. Smacked the
> > > > plywood and splintered it nicely. I used that two part putty stuff
> > > > (no not Miricle Putty), but similar. The stuff dries very hard and is
> > > > fairly simple to mold as long as you do it quickly. I finally got the
> > > > electronics up off the bottom of the hull and mounted, but I still
> > > > have to secure all of the wiring so it doesn't come loose in combat.
> > > > Overall, it looks like a successful rebuild. It may not be pretty,
> > > > but it seems to work well. Now....off to mount a marker. ;)
>
> > > >http://i154.photobucket.com/albums/s265/nitzerebbhead/Sturmtiger/IM00...
> > > >http://i154.photobucket.com/albums/s265/nitzerebbhead/Sturmtiger/IM00...
> > > >http://i154.photobucket.com/albums/s265/nitzerebbhead/Sturmtiger/IM00...
> > > >http://i154.photobucket.com/albums/s265/nitzerebbhead/Sturmtiger/IM00...
> > > >http://i154.photobucket.com/albums/s265/nitzerebbhead/Sturmtiger/IM00...
> > > >http://i154.photobucket.com/albums/s265/nitzerebbhead/Sturmtiger/IM00...
> > > >http://i154.photobucket.com/albums/s265/nitzerebbhead/Sturmtiger/IM00...
> > > >http://i154.photobucket.com/albums/s265/nitzerebbhead/Sturmtiger/IM00...
> > > >http://i154.photobucket.com/albums/s265/nitzerebbhead/Sturmtiger/IM00...
>
> > > > Derek- Hide quoted text -
>
> - Show quoted text -
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