New Project, Revo Truggy style - RC-Monster Forums

Lonewolf039 · 01:00 AM

I got some more video finished today. I took this after work the other day. The suspension was a little stiff due to the cold, lol. You will have to forgive the shaky camera work, I am still working alone on this. I am really liking the way this truck turned out, although I might try some thicker oil in the center diff to slow down the unloading on the front tires.

Lonewolf039 · 03.26.2008, 10:38 AM

Here is the video from yesterday. Most of the snow is melted from my sandpit, so I went bashing. I'm still not sure about the center diff. I have 120k diff fluid, and will try some 300k or 500k, but might just make a center spool like David Lamontagn did. Temps stayed pretty good, the motor got warm, but not hot, everything else was barely warm. Got a good 20 minutes of bashing from the batteries, now I have to get a couple more pairs.

Lonewolf039 · 04.14.2008, 01:54 AM

Well, I ran it some more and blew up the motor. Everything was running really nice, motor temps around 130-140, esc 110-120 and batts around 80-90 degrees. I was doing backflips off my big jump, and with the center diff, it was taking a lot of rpm to complete the rotation. I think the motor was over revving, as the magnet split in half.

The magnet separated and scuffed up the windings. I can see that some of the enamel is rubbed off, but I don't think any of the windings are shorted out.

I JB welded the magnet back together and wrapped it with some kevlar thread. Hopefully it will hold together until I can get a Neu or some other better motor. After 6 hours, I reassembled the motor and test ran it at low RPM and it seems to be running normal. I am planning on running it tomorrow, so I will see if it does hold up.

While I had the truck apart, I decided to change the wires on the esc to 12g wire, don't know if it will make much difference, but it can't hurt. I also cleaned up the wire routing a bit.

I picked up a pair of the Checkpoint 5400's to try out. They seem to be pretty good for an 18c battery, about the same power as the Trakpower 4900's, but they seem to run 10-15 degrees warmer. I only have 1 run on them so far, so I can't say for sure, but I am happy so far.

Lonewolf039 · 04.14.2008, 03:40 PM

Well, it ran perfect for a half pack then the glue failed. The kevlar wrap protected the windings, so no damage done.

So, does anybody know of a glue stronger then JB Weld? It will take a couple of weeks to get a new motor from the states, plus nobody has a 1515/2d in stock, so I would like to try and fix the Feigao. I was going to wait until the Castle Neu's are out, but that won't be for a while yet.

RCM has the 1515/2.5d in stock, how will it work on 4s? The speed calculator says that an 18 tooth pinion will give me the same speed, but the motor rpm is only 23100, which seems really low. I would like to stay with 4s for now, as I just bought some new batteries.

Thanks

Lonewolf039 · 04.15.2008, 05:24 PM

Hmm, I might try the red locktight. Can't hurt at this point. Thanks for the link, that is an awesome list you have there. Bookmarked

I needed my fix, so I swapped the twin tranny back in, and the Novak 6.5 is pretty tame compared to the Feigao. Plus not having all the programming options is a step backwards.

While the center diff was out, I decided to take some pics. It is a little rough, but works good.

Well, off to find my red locktight.