New motor selection

dcarroll1002 · Post by **dcarroll1002** » Wed Jan 19, 2011 11:25 am

I will be getting another ride on or 2 in the near future and i was just wondering... if i decide to change the engine out for a higher voltage/ faster one... what specs should i be looking at to compare for mounting purposes... im new to this so take it easy on me lol!

EDIT: Also what should i look to upgrade for speed increase?

timmbo23 · Post by **timmbo23** » Thu Jan 20, 2011 11:59 am

HPI GT550 motors are the best!

chozian · Post by **chozian** » Thu Jan 20, 2011 1:23 pm

timmbo23 wrote:HPI GT550 motors are the best!

What is the best price you've found on these, and from where? I'm interested in getting some too.

dcarroll1002 · Post by **dcarroll1002** » Thu Jan 20, 2011 3:13 pm

timmbo23 wrote:HPI GT550 motors are the best!

I see these are 14.4 but whats the safe operating voltage on these with out melting them!?

EDIT:

Found these using google! Not sure on shipping price!

http://www.rchobbies4life.com/servlet/t ... 550/Detail

Kstorm21 · Post by **Kstorm21** » Thu Jan 20, 2011 3:35 pm

dcarroll1002 wrote:
timmbo23 wrote:HPI GT550 motors are the best!

I see these are 14.4 but whats the safe operating voltage on these with out melting them!?

EDIT:

Found these using google! Not sure on shipping price!

http://www.rchobbies4life.com/servlet/t ... 550/Detail" onclick="window.open(this.href);return false;

I found those too and I put 4 in the cart to see how much shipping would be and it wouldn't let me checkout. I finally figured out they only have 1 in stock. That one with shipping was under $!5.

dcarroll1002 · Post by **dcarroll1002** » Thu Jan 20, 2011 4:09 pm

Well that's not cool!!! i found a few other sites with them like $15 + shipping....

timmbo23 · Post by **timmbo23** » Sat Jan 22, 2011 12:10 pm

Buy them from here, I think they are the cheapest at $11.97:

http://www.wholesaletrains.com/Detail.asp?ID=200815711

I run these motors on 18v with no problem at all, with a lot of heavy driving. My 4 year old even pulled our 2 year old on a sled with the F150.

dozer · Post by **dozer** » Sat Jan 22, 2011 12:22 pm

Do these motors run faster on 18v than the stock ones.
And if not do they take 24v.

timmbo23 · Post by **timmbo23** » Sat Jan 22, 2011 12:28 pm

dozer wrote:Do these motors run faster on 18v than the stock ones.
And if not do they take 24v.

Of course! I would say these motors on 12v are almost as fast as stock on 18v. So HPI's on 18v are wicked fast!

dozer · Post by **dozer** » Sat Jan 22, 2011 12:59 pm

what do you recommend :
scooter controller with stock motors on 24V. could use mf gb's and motors to.
or just put hpi's in at 18v.

Also should I stick with a ninja which I have loads of spares for, including several mf gb's

Or go with a raptor, I have 2 complete units.

timmbo23 · Post by **timmbo23** » Sat Jan 22, 2011 1:23 pm

My son loves our Ninja with the twist high speed throttle. That thing flies on 18v with the HPI motors.

I totally suggest doing the 18v with HPI, price is reasonable (wife didn't kill me), and it works awesome.

dozer · Post by **dozer** » Sat Jan 22, 2011 2:03 pm

Ok lets take this one step further.
Is there a 700 series version of the hpi 550gt motor that I could use on the MF GB's.
Reason I ask is that I've had the 7s gearboxes start to melt the first gear on it's shaft. I figure the MF GB's would take more punishment.

timmbo23 · Post by **timmbo23** » Sat Jan 22, 2011 2:09 pm

700 would not fit.

dozer · Post by **dozer** » Sat Jan 22, 2011 2:10 pm

Oh yeah do the 550's take the same pinion as stock

dozer · Post by **dozer** » Sat Jan 22, 2011 2:13 pm

timmbo23 wrote:700 would not fit.

Sorry I meant:
I was thinking of using the MF GB's anyway. I wanted to know if they had 700s motors that I could use with the MF GB's.

Do 550s motors fit MF GB's?

timmbo23 · Post by **timmbo23** » Sat Jan 22, 2011 2:15 pm

You lost me, what is MF GB? LOL, sorry!

dozer · Post by **dozer** » Sat Jan 22, 2011 2:21 pm

timmbo23 wrote:You lost me, what is MF GB? LOL, sorry!

Metal Frame Gear Box.
Your from the old site right.

timmbo23 · Post by **timmbo23** » Sat Jan 22, 2011 2:32 pm

I don't know much about the older Power Wheels, sorry!

dozer · Post by **dozer** » Sat Jan 22, 2011 2:34 pm

The MF GB's are much tougher and take 700series motors.

dcarroll1002 · Post by **dcarroll1002** » Sat Jan 22, 2011 7:20 pm

Where oh where can I find some of these metal frame gear boxes? And thanks for all the info so far!

dozer · Post by **dozer** » Sat Jan 22, 2011 8:15 pm

Try hootie or your local curb.
Where are you

dcarroll1002 · Post by **dcarroll1002** » Sat Jan 22, 2011 8:16 pm

south east louisiana

dozer · Post by **dozer** » Sat Jan 22, 2011 8:22 pm

ohh to far.

dcarroll1002 · Post by **dcarroll1002** » Sat Jan 22, 2011 9:25 pm

how short is the life span of the plastic gear box with the 550's at 18v?

timmbo23 · Post by **timmbo23** » Sat Jan 22, 2011 9:29 pm

Never wrecked one yet!

dozer · Post by **dozer** » Sat Jan 22, 2011 9:33 pm

I have, like I said earlier the 7sGB's melt the first gear on the shaft. Thats why I'm asking about the mf gb's

blake711 · Post by **blake711** » Sun Jan 23, 2011 11:19 pm

timmbo23 wrote:Buy them from here, I think they are the cheapest at $11.97:

http://www.wholesaletrains.com/Detail.asp?ID=200815711

I run these motors on 18v with no problem at all, with a lot of heavy driving. My 4 year old even pulled our 2 year old on a sled with the F150.

did you buy from them? Did they have pinons that work also?

dozer · Post by **dozer** » Mon Jan 24, 2011 5:37 am

yeah or will the stock pinions press on fine?

timmbo23 · Post by **timmbo23** » Mon Jan 24, 2011 10:57 am

blake711 wrote:
timmbo23 wrote:Buy them from here, I think they are the cheapest at $11.97:

http://www.wholesaletrains.com/Detail.asp?ID=200815711

I run these motors on 18v with no problem at all, with a lot of heavy driving. My 4 year old even pulled our 2 year old on a sled with the F150.
did you buy from them? Did they have pinons that work also?

Do not try and use the stock pinions, I don't think it is even possible. The HPI motors have a flat side so that a set screw in the new pinion will make contact with the flat section and keep the pinion nice and secure. I just picked up new pinions from the local hobby shop. Be sure to get the proper pitch pinion based on the gearbox you have in your PW. If you are not sure remove one of the motors and count the number of teeth on the stock pinion. I did buy one pair of motors from them. The pair for our KFX I wanted to buy right away and my local hobby shop had them on hand for a reasonable price (but more).

dozer · Post by **dozer** » Mon Jan 24, 2011 9:30 pm

32 pitch right?
Will any pinion with 32 pitch work. (given that I'm getting the right number teeth.)

timmbo23 · Post by **timmbo23** » Tue Jan 25, 2011 9:27 am

You are correct!

dozer · Post by **dozer** » Tue Jan 25, 2011 9:34 pm

I found the motors a hobby shop that's not to far from here. I just have to find time to go.

haus · Post by **haus** » Tue Jan 25, 2011 10:48 pm

hey dozer, what kind of prices are theses hpi motors?

timmbo23 · Post by **timmbo23** » Tue Jan 25, 2011 11:25 pm

haus wrote:hey dozer, what kind of prices are theses hpi motors?

Scroll up above, I had purchased them for $11.97. I think that will be the cheapest you will find.

dozer · Post by **dozer** » Wed Jan 26, 2011 5:32 am

haus wrote:hey dozer, what kind of prices are theses hpi motors?

At a place in streetsville called hobby hobby. $17.99.
By the time you ship them here and then pay duty..... I'll just pick them up here.

chozian · Post by **chozian** » Wed Jan 26, 2011 12:30 pm

They run about $18-19 + tax at my local hobby stores.

carmaster65 · Post by **carmaster65** » Fri Jan 28, 2011 4:05 am

I ordered my HPI 550s from my local hobby shop. After shipping charges from cheaper online stores is factored in the price is within a few dollars, I figured it better to support my local shop. I plan on running 12v for a while but I also ordered some heat sink fan combos from Hobby King that I wanted to share TURNIGY Heat Sink with Fan for 36 series motors. One of the comments says they run off of 6v so you would have to figure out a power source like the others out there. I have a couple small fans from junked computer mother boards that run off 12v I want to try on these.

dozer · Post by **dozer** » Sat Jan 29, 2011 7:30 am

if your running 2 6v fans you could just run them in series at 12v

timmbo23 · Post by **timmbo23** » Sat Jan 29, 2011 11:59 am

I do not have any fans on mine, I have been fine. The HPI GT550's do have internal fans built into the motors, but I am sure it would cool things down a bit if you had fans to circulate the air around the motors.

dozer · Post by **dozer** » Sat Jan 29, 2011 12:11 pm

FYI hobby hobby that I mentioned had only 1 hpi 550gt motor.
How do the titan 775 motors work.
and just to be clear a motor with lower turns wouldn't last long in a power wheels right.

timmbo23 · Post by **timmbo23** » Sat Jan 29, 2011 12:57 pm

Titan 775 is a different size and the Titans have "reverse rotation". So if you were to get the Titan 21 Turns, you would need to get one with reverse rotation and one without.

carmaster65 · Post by **carmaster65** » Sun Jan 30, 2011 4:12 am

dozer wrote:if your running 2 6v fans you could just run them in series at 12v

Problem solved for now. I bet they would handle 18v too. I probably won't even put them on the 12v set up.

dozer · Post by **dozer** » Sun Jan 30, 2011 7:39 am

timmbo23 wrote:Titan 775 is a different size and the Titans have "reverse rotation". So if you were to get the Titan 21 Turns, you would need to get one with reverse rotation and one without.

So the titan 775 is a 700 series motor like in guachos and mf gearboxes

timmbo23 · Post by **timmbo23** » Sun Jan 30, 2011 9:33 am

Correct

dozer · Post by **dozer** » Sun Jan 30, 2011 9:22 pm

21 turn motors would not work very well tho right.
How are the titan 775's in PW's

timmbo23 · Post by **timmbo23** » Sun Jan 30, 2011 9:55 pm

Titan 21 turn works well in the Power Wheels, but again, I would suggest using the HPI GT550's.

dozer · Post by **dozer** » Sun Jan 30, 2011 10:06 pm

i'll have to order some then
The raptor seems to have 8 tooth pinions. Are they 32 pitch ( they look like pw's 8 tooth ) and are 8 tooth pinions available for rc stuff
And the 775's

timmbo23 · Post by **timmbo23** » Mon Jan 31, 2011 3:48 pm

32 Pitch is normal, but I have never seen 8 tooth. I think 12 is the lowest I have seen on the Jeep Hurricane.

timmbo23 · Post by **timmbo23** » Mon Jan 31, 2011 3:56 pm

32 Pitch is normal, but I have never seen 8 tooth. I think 12 is the lowest I have seen and it was on the Jeep Hurricane.

dozer · Post by **dozer** » Tue Feb 01, 2011 9:56 pm

here is the raptor pinion thread I started. 8 tooth pinions.

I bought a hpi550gt motor today and ordered another.
bought a pinion puller to.

Still not sure about the pinions though. the pinions at the hobby store were pretty narrow, will that wear faster on the plastic gears in the GB's.

I may try to drill the pw's pinions and thread a lock screw into them.