FLUX Motor options

Hey, what's up Savage nuts. Well I hope there is a few of you on here as I have a few Q's. After owning a few Revos and E-Revos I have decided to sell them and have a go at owning a Savage Flux.

I have one on order with a LHS but I am also picking up a Savage XL from a guy I work with. It's only 5 months old and has seen very little use. He decided to convert it to a Flux but lost interest. he did fit a Flux transmission to it but that is as far as he got. I have bought the extended Flux TVPs, adjustable upper arms, sway bars, high speed idler gear, MMM XL esc, alloy steering knuckles, CEN shocks (8 of them but might only need 4) and a few other bit and pieces. All of the stuff is on it's way from the States and I will be picking up the Savage on Saturday.

My first question is what are my motor choices. I have the Castle 1518, 1520, 1717 and of course the 1515 but I would rather step things up a little and user the bigger motors. How would they go for fit? I can get the motor brackets/mounts to fit all of the above mentioned motors but will they fit the chassis? Will it foul on anything? I am worried that the 1717 wont clear the hole in the TVP. I should also mention that I have every intention of running this truck on 8S.

My second question is the diffs. This particular XL was bought about 6 months ago and it is the 2.4G version. Do they have the BP diffs? If they don't I think I am screwed until I get them.

Last question (for now) is what else needs to be upgraded on the Savage to be able to cope with serious dose of brushless power?

Thanks for the help guys. Really looking forward to this build even though I haven't even finished my last one.

[JERRY2KONE]

Sounds like fun. Here are a few links for you to check out that may help with some of your decision making. Good luck with your project and please share your experience and results with us down the road.

http://www.rc-monster.com/forum/show...ht=SAVAGE+FLUX

http://www.rc-monster.com/forum/show...ht=SAVAGE+FLUX

http://www.rc-monster.com/forum/show...ht=SAVAGE+FLUX

http://www.rc-monster.com/forum/show...ht=SAVAGE+FLUX

http://www.rc-monster.com/forum/show...ht=SAVAGE+FLUX

[suicideneil]

There is a guy fitting a 1717 to a Flux in this project, it is indeed rather difficult:

http://www.beatyourtruck.com/forum/s...x4-E-5SC/page7

For 8s lipo use something with a rather low kv will be needed ideally- not sure if the 1717 is an ideal choice as I seem to recall it having a lower rpm limit than the 15** motors..

Would be worth checking the HPI website to see if the XL has the BP diffs or not- bare in mind there are still guys who manage to kill the BP diffs if they try hard enough so I wouldn't worry so much about that; it is possible to fit ofna & hotbodies 1/8 buggy diffs in the savage so there are always upgrade options.

Hitting up the search feature and checking out other savage-based projects is the best plan really, we have a whole sub-forum dedicated to savage projects as it is..

[1truckerdan]

Look here.http://www.castlecreations.com/produ...le_motors.html
1717 1580 kv 45k rpm limit recomended. 6s max
Daniel

[scarletboa]

if i were you big-block, i would not buy the savage xl because all you need to get your new flux to xl length is the chassis plates and the rear dogbone. the best motor for your needs seems to be the 1520. it can handle 8s very nicely and is a real powerhouse. i've seen 18-20lb trucks run them with good temps.

if you are wanting both a standard length and a xl, then put the 1520 into the xl and keep the stock motor in the stock length truck. there is absolutely no need for more power if u run 6s with the stock motor.

also, if the truck came with the 2.4GHz radio, it WILL have the BP diffs and i have yet to ruin a BP diff on my xl length truck and trust me, those diffs take some serious abuse in my truck. heavy 40 series mashers on heavy beadlocks can be really rough on diffs, especially if you are doing standing backflips. the dogbones on the other hand, don't handle it so well. if anybody knows of any dogbones that are stronger than the HPI super heavy duty bones, please post a link to them.

Thanks for the great and helpful responses guys. The reason why I got the XL is because it has been used three to four times only and it was only $250 with a set of stock wheels and a set of HPI blast wheels with Goliath tires mounted to them. Just too good of a deal to pass up and I really want something that I could give my 1717 a home in. I know it is going to be an overkill but that is my style anyways.

As for the rpm limit of the 1717 I am well aware of that. I figure with a little bit of voltage drop under load I think I will be pretty much at the limit. Maybe a little bit over but I have faith in Castles build quality. I have ran their 1512 2650kv motor on 6S for ages and never looked like it was raising a sweat. Also I have read upon few others running the 1717 on 8S (one person on here in a much lighter Revo) and they have had no issues. I hope it works for me too.

With the chassis I am thinking of just cutting the bit where the motor protrudes through the TVP completely off and just bolting on another piece of aluminum that will be big enough to clear the 1717. It wont win any prizes for beauty but it should work just fine. If everything fails I will fit the 1520.

For the Flux HP I think I might fit the 1518 and try that on 8S just for shits and giggles. If that turns out to be too much (if there is such a thing) I can always stick the stock electrics back in.

Now it's a waiting game for my parts and MMM XL to come in.

And Scarletboa thanks for confirming the bulletproof diffs. It is indeed the 2.4G version and it mentions the BP diffs in the manual although the picture on the box (of the diff gears) is the incorrect one. The BP diffs use a 9T pinion gear and the one on the box shows more teeth than 9. At least the instruction manual is correct.