Yet another Motor question.

[Dringeruk]

Hi all.

This is my first visit to this forum so please be gentle with me ;D

I've read a lot of the posts regarding motor choice and am still a little confused. The question seems to be best answered with what the motor will be fitted in , so here goes.

I have Thunder Tiger FM-1E Bike ..........yes i know there are bike related forums but you guys here seem to now a hell of a lot about the actual specifics of the motors rather than personnal choice and the more people i ask the better.

I am using an Mtronics Sonic 3 with a 12 Turn limit.
I'm using GP 3000 NiMH batteries.
The bike will mainly be used for car park racing with some friends so i'm looking for the best combination of minimum com skimming, run times and power.

I am using the GPM Shore 45 tyres so i have more grip over the standard tyres.

Obviously budget is an issue but dont expect something for nothing. I need to keep the cost at the lower end of the scale but have to be realistic.

I asssume i'd be better off with a torqueier motor ?

The motor that keeps appearing in the forums is the Orion Pro BB 12x3.

Sorry for som many questions but better than posting them all seperate.

Great forum by the way.

John "dringeruk" Dring

http://www.dringeruk.pwp.blueyonder.co.uk/kyosho.htm

1:5 bike page to be added soon.

[cobra81li200]

Hi, welcome.

If you want a torquey motor, then you'd rather go for a single turn motor (i.e. 12x1 instead of a 12x3).

Only thing is that usually when a speedo has a 12T motor limit, I advise not to use less than 13T motors. This being said, a Bike will stress the speedo much less than let's say a touring car, so I guess it will be okay.

I think a Pro BB 12x1 or 12X2 would be a better choice as you'd have more torque than with a 12x3. Once again, I think a bike will stress the motor less than a car, so you're not likely to have to skim the comm as often. I strongly recommend you the CS T0605 brushes as they will last long, provide enough power yet won't wear the comm as much. They're a bit pricey but really worth it.

[Dringeruk]

Another newbie question.

Is it best to get a motor with adjustable timing or get a fixed timing.

Have you any suggestions for a good all round motor for my purpose.

Cheers

[NumanR]

As with a bike you want smooth power wouldnt a 19 turn be a good option? It would give you longer run time, less maintenance and smooth manageable power.

[Dringeruk]

How much differance is there between the 19t and 17T motors and which ones are popular.

Ive been using a motor but unsure what the turn was. It is quick with a good top end and acceleration but uses up the battery quick. That motors given up the ghost so i'm using a 23 turn Havoc which i've borrowed. Acceleration ok but poor top end. Compared to this motor what would be the pros and cons of say a 17 or a 13 turn, between a havac 13 fixed or the orion pro BB? What i dont want to do is buy lots of motors before finding a good combination.

The more i think about it the more confused i get ???

Although thats not hard ;D

[cobra81li200]

Well in this case I suggest you progress by steps. If your 23T is nearly good enough, I guess a 19T or a 17T will be a good choice then. In any case, it'll be better than the 23T, and you'll have more fun. Then when your motor will need replacing, you will have the choice of an even faster motor or staying with what you used.

I think it's better to have a little lack of power than too much power, especially with a bike. This way you will not end up with a motor you cannot use at all.

[PDW]

These guys will give you all the answers if you can't find the one you want on their excellent web site.

http://www.teambenwell.co.uk/

HTH :)

[Chrislong]

Have you considered a V-revolution type Orion/Peak motor? I know these are at the high end of the budget, or top, but if you go for say a 14x1, it'll be quick and last ages and ages between skims!

Plus, the feed of power these motors give is very smooth and may help for a very controllabe bike? (Im guessing)

Chris

[lewist]

i have a thunder tiger bike... very cool..

a few points i have found using mine..

when you start getting down to 12 turns ( i have run an orion pro BB 13 x 3 which was ok ) i then ran an 11 x2 which was very quick and i have also tried a 10 turn motor.. with the 10 (was a nice good quality one) it was too fast.. it had too much power

when you get really fast with the bikes you loose all steering response (makes the bikes very unresponsive) it also means if you are not careful you can get in trouble out of the corners and if there are any little stones (and i mean tiny) or any bumps with a really hot motor the bike will not take it.. it will end up out of controll in a tank slapper.. if i were you i would not go any lower than 14 ot 15 turns (the i also ran the Mtronics 12 turn limit speed controller on my 10 turn and it was fine.. the bike is kind to the motors) i would also sugest sticking to the 14 tooth pinion.. no higher. or maybe drop to a 13!!

if you have a really smooth carpark or area then a 12 would be fast, you can get the bike to powerslide on a really smooth surface.

the other thing to watch out for is the chain is in direct line of the end bell and oil from it can get thrown onto the motor and into the comm.. i would suggest making a little shield that separates the motor from the chain..

also with a hot motor you have to be gentle on the breaks or it will plant the rear wheel and try to fall over!

hope some of that helps

ps. if you want it to wheelie, stiffen the back end up, and plant a 10x2 in it with a 13 tooth and it should pop wheelies but it is really easy to bin it once the front wheel comes up!!

[Dringeruk]

Hi Lewis.

Thanks for the tips, i'll let you know how i get on.

I took a look at your website links. The racing looks fun. We may try and pop up to watch if we get chance and if thats ok with you.

Have you raced the bike with anyone yet? We currently have two and is even more fun racing side by side. It would be interesting to know how many people have these bikes, would be good to have a meeting to get bies together.

Cheers

John

[lewist]

yeah be pop down by all means, let us know when and i will keep my eyes pealed for you!

i havn't raced my bike with anyone.. it was just bought as a basher.. but i would now like to race it with others.. i think in a race class mod motors would be too much power, 19 turn or evern stocks would be better, less chance of hitting each other, and make taking nice smooth lines important.. help improve driver ability..

i have tried it round the wycombe circuit but its just tooooo tight.. i tired it when we ran oval and it was much better, but still very very tight.. would be nice to get a race series going for it.. i reacon you could ride them round 1/10th outdoor touring tracks without too many problems.. should be big enough!!