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/IM000004-2.jpg > http://i154.photobucket.com/albums/s265/nitzerebbhead/Sturmtiger/IM000005-2.jpg > http://i154.photobucket.com/albums/s265/nitzerebbhead/Sturmtiger/IM000006-2.jpg > http://i154.photobucket.com/albums/s265/nitzerebbhead/Sturmtiger/IM000007-2.jpg > http://i154.photobucket.com/albums/s265/nitzerebbhead/Sturmtiger/IM000008-2.jpg > http://i154.photobucket.com/albums/s265/nitzerebbhead/Sturmtiger/IM000009-2.jpg > http://i154.photobucket.com/albums/s265/nitzerebbhead/Sturmtiger/IM000010-2.jpg > http://i154.photobucket.com/albums/s265/nitzerebbhead/Sturmtiger/IM000011-2.jpg > http://i154.photobucket.com/albums/s265/nitzerebbhead/Sturmtiger/IM000012-1.jpg > > > Derek > --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
