cracked rotor on velineon
 

I cracked the rotor in my VXl rustler today. Motor was running 160 but it was my fault, so I cant really complain. I did some pretty long donuts on 3s(real low gearing) and just had it turning more than 30K for to long.

Im wondering what motor I should go to? I'm not looking at spending a whole lot right now as my CRT is going to be my main truck(have to wait on the MMM though). I really dont need more power but if you guys think more power is needed to keep it cool then I will go with a bigger motor(L size).

I have run an 8xl(geared for 70) in there before when I had my MM, and it was WAY to much power. it was so hard to drive

Neu 1512 or 09, thats not overkill at all


Maybe a l or xl feigao?

definately not an xl motor. I have done that before and its just to much weigh on the back. makes the truck wheelie at 1/8th throttle. I have considered a 1506 or a 1509 but I just ordered a tekno 1515, MMM, and everything to convert my CRT. I really cant afford a neu right now. I have been looking at the 3300k/v 50mm medusa. is it pretty good? and how long is the velineon motor? I have also been looking at an 8L, but I just dont know yet

A Medusa 36-50-3300 would be great on 3S, or the 4800 for 2S.

I have a Feigao 9L on 4s with the CC BEC for gearing I run a Revo 40 tooth spur and RC Monster 16 tooth MOD 1 pinion and I adjust the slipper to control the wheelies if you loosen it too much you lose speed its just something you have to play with. Also if you run on the street and not off road I suggest running the 1/8th scale sedan foams with the 17mm adapters...if you need links let me know

yeah thats what I plan to do. I run around on the track on 2s and play at the house on 3s.

whats funny is I broke the rotor running the truck on 1/10 on-road tires off of my buddies walmart car. they happen to use 12 mm hex and I just had to shave the wheel. at the end of the run the tires were 159F motor 165F and esc was 114F. lets just say the VXL will roll smoke and lay down black marks with the right tires.

I use velinions but also a real nice feigao 380c 6L ...fantastic little motor 540 can size ...I think mike here has some..it goes for like $71

wow you cracked it at only 160? i had mine at 220 a couple times still works good

It was becuase of the long time it spent at 30 to 35K rpm. probably a good 15 second full throttle donut.

I don't think it was your fault at all. As long as you stay within the recommended rpm and temperature range, the rotor should not fail period. 30K - 35K rpm is nothing. Nor is 160F.

I proabably would contact traxxas, but I just got a brand new ESC on waranty the same day I cracked the rotor. I doubt there was a whole lot of voltage sag because I was running my regular gearing on 2.5 inch tires, so I could have been above that.

i have been wanting to get a better motor anyways. nothing wrong with the velineon it just likes to get pretty hot. At the moment Im thinking about waiting until I finish my CRT then getting a 1509 or 1506 neu for it. I may sell one of my dirtbikes so i can really build both trucks how I want.

Would a neu 1506 have enough power to not overheat in a rusty geared for 55? or is a 1509 neaded?

probably an 09, the 06 is really high kv... Offshoreelectics.com just lowered there prices on there neu's

Unless you've got some really trick stuff going on on your Rusty, IMO, it's a sad thing to install a motor in it worth more than the truck itself. While I thoroughly enjoy my VXL Rustlers, they're not worthy of a Neu to me. Just my opinion, but it's far too easy to get tons of power from a Rustler with a much cheaper motor in it than a Neu.

never looked at the k/v options. your right the 06 is to high. im liking the neu 1509 1y though. 3600k/v sounds about right. is it going to be to much power though?

a while back I was thinking about going with a 1509/1y in my rustler and I agree with you about spending $250 on a motor. I came to my senses and went with a Feigao, the 9L is still going strong I think it helps that the rustler is as light as it is.

you guys are probably right, thats why I always ask for your guys opinion. I also like the 9L becuase I can stick to 1/8th pinions. im still thinking though.

the 9L has a 5mm shaft but if you want to use your 1/8" pinions there are adapters, I only had a few so I threw them away I like the added strength of the 5mm

540 9L 2,731 RPM / Volt 1/8" Shaft

I found one with a 1/8th on offshore

The 9L would be good if you run 3S all the time. It'll be a dog on 2S though.

thats fine, really the only time I run 2s is at the track and its pretty tight. I really dont need that much power there.

9L+4s=:yipi:

Velineon esc=:bad:

its not that bad but I would kill if it would run 4s.

the first time I ran my VXL Rustler the leads became disconnected from the ESC and I thought this is a total POS and I dont want to waste my time with it, bought a Castle MM and BEC and never looked back

yeah I used to use the MM on my revo, but i parted it out then sold the truck as a roller. I really dont need 4s, I run 6400mah true rcs and my truck would get real heavy, and thats just to much power. i do miss punch control though. I bet I could control it with my 3pm but I just dont understand those technical features yet.

my esc did the same thing. I sent it to them and they sent me another one free of charge. those connectors are impossible to solder back to the board.

I think most VXL owners would be happy with the current battery choices for it if it would only work reliably without so many failures.

do you guys think the VXL could handle a 1515 2.5d in a CRT on 3s geared for 25mph? I just want to run my CRT so bad, and my neu is coming in tomorow, but my MMM is on backorder. The VXL proved that it could run in my revo on 3s(geared for 24) but my revo was just running the VXL motor and it was much lighter than my CRT.

will the VXL run a 4 pole motor at all?

I did try soldering them back on but that was a failure, they had a series of pin point solder connections...to say I was disapponted was an understatement

yeah thats why I said it was impossible. I spent like 30 minutes attempting.

that sucks after having mine for about a year, my lead just came undone, its been a solid controller for me up till now tho

mine lasted 4 months then traxxas sent me a brand new one.

try sending it in. it took like 3 weeks but they did get it to me, but they sent me an invoice(FREE) that was saying they were out of stock. probably take less time now that they have stock.

yea they are warrantied for life so its a good thing about it

I realize this is an older thread, but I recently cracked a (new replacement) rotor in my Velineon after only 2 packs (3s, 5000mah). I'm rather puzzled how this could happen running it within spec (temps, rpms). It was in a stampede geared 21/86 with mashers.

I noticed the balance epoxy had come off one end of the rotor and smeared inside the can. Could that have jammed and caused the crack ?

Honestly?

The velinion is basically a feigao 540s there rotors are well put it nicely not as precisely made as more expensive motors and thus sometimes you get a rotor that will do 50k rpm without grenading sometimes one will go when not even going over 40k rpm.

Someone mentioned it wasn't worth putting a neu in a rustler but honestly i consider that to be a snobbish comment as in my opinion investing in a high quality motor is just that an investment assuming you look after it.

I still have a hacker c40 8s that i got back in 2002 and its as good as the day i got it because being a high quality motor i could always make sure it wasnt overheating and it could take the rpms they stated it could.

Yeah, it was rather shocking to say the least, esp since I've tons of runs on mambas and velineons before. This was the first time to replace a rotor rather than just getting the whole motor. The inside of the can was smeared in a colored power, the same color as the "stuff" (epoxy ?) put on the end of the rotor for balancing. The stampede has mashers on and with loading, geared at 21/86, I don't think I was much past 30K in rpms.

This was on a dirt & and thin grass surface, so not even talking speed runs per se' . I have since put in a new velineon (while this other is into traxxas), running the same config, same area and it's holding up fine (10 runs - crack just happened saturday). I am interested in getting an alum tranny so I can stop reading temps every 4 minutes and put my mind at ease. Kinda paranoid now. LOL

hey on the medusa motors, I was testing out my new kokam h5 4000mah 3s pack after 20 minutes i was getting bored so i was pushing it hard trying to make the pack dump lol i pulled the car up there was a twig in my motor cooling fan i was like crap better check the motor and to touch it was just warm.

I have to say that also the efficiency of this medusa 3300kv motor is great as well i was getting 18 minutes out of my 4s a123 whereas my plettenberg extreme was only getting about 14 minutes geared for the same top speed and bashed the same.

Yeah, I'm quite happy with Medusa motors as well. It's really hard to beat the price to performance ratio.

Definitely. You pay $30 or so more for a MedUsa rather than a Feigao and you get a significantly better motor. I ran my 50mm 3300KV motor in my Rustler for a little while and it was all the motor you could need for bashing and it would satisfy some serious speed requirements as well. I'm looking forward to Mike's new clamps that will be able to plug the cooling holes but every MedUsa I've ever owned has been simply amazing for the money. I like to show off my Muggy to the guys running Neu motors in their Revos, they're surprised it's only $140.