Losi 2.0 Conversion - RC-Monster Forums

Shark413 · 04.07.2009, 01:51 AM

Got the buggy out this weekend and gave it a good workout. Ambient temps were higher (mid 80's) but the new motor ran much cooler, it was fast and controllable on 4s. Max motor temp after 10 mins was 122 degrees.

Shark413 · 04.07.2009, 01:55 AM

Update:

I recieved my Traxxas ESC mount and added it to the Losi. Some people use the existing holes in the Losi battery tray, but when you do that the ESC sticks out too far and hits the body. Any blows to the body would be transmitted directly to the ESC which could cause a malfunction. So I mounted the ESC more inboard and turned 90 degrees. In this configuration the body cleared with no problem.

Shark413 · 04.08.2009, 12:13 AM

Update:

I was cleaning/checking the buggy out when I noticed the shrink wrap on my motor wires looked strange. I took a closer look and the middle wires shrink wrap had split and was bascially falling off. It does not appear to have shorted because there were no burn marks on the endbell cover or wires and the buggy ran fine this weekend. I took off the rear endbell cover, added two layers of new shrink wrap and bolted the endbell back on. There is still a little gap between the wires and the holes in the endbell that can cause friction wear on the wires so I filled the gaps with hotglue. The hotglue also provides a better dust seal.

Shark413 · 05.11.2009, 09:26 PM

Update:

Got six practice/race weekends under my belt now with the Losi buggy. That's about 18-20 4s lipo packs thru the buggy. No major breakage until the last time out when the ESC blew a cap (MMM V2). Went to slightly stiffer springs front and rear (green/black). The Integy spindles and carriers seem to be holding up ok, very little slop and the larger bearings are holding up well. Novak 40mm fan gave up the ghost and I replaced it with a generic PC fan.

Shark413 · 05.23.2009, 06:03 AM

Another Update:

There has been a lot of talk about the new Tekin RX8 and T8 motors. I have been using MMM products for a while and have been very pleased with there performance. But the Tekin motors had some features that were unique, #1 solder posts for attaching power leads, bullets are convienent for removing the motor/ESC, but I had my MMM bullets loosen up and come apart during a race, so I always had to go over them to be sure they were tight and if not I would have to pull them apart and adjust the tension. With the Tekin, just solder them on and don't worry about them. Also, I had a Neu short out because of the way the wires exit the rear endbell, very loose and vibration causes the wires to wear out. #2 Tekin has 3 and 4mm mounting screw holes, and 4mm is much stronger than 3mm (leftover from 1/10 electric), so I don't have to drill/tap my motors anymore. #3 Removable front endbell, makes servicing the front bearings a breeze. #4 Tekin uses 6 screws to hold on the front cover. I have heard stories of guys landing heavy and having the front cover rip away. Anyways I ordered a buggy sized (4030) 2050kv motor and hooked it up to my MMM. I have used sensored ESC's before (Novak) and they are very smooth, but the MMM's are also pretty smooth for a sensorless ESC and I really like the programming interface (Castle Link). I was only able to make a few runs up and down the street but it felt as strong (may be even stronger) as the TeknoNeu it replaced (which was a bigger 1515 sized motor). It was also very smooth with no clogging. I can't wait to get out on the track.