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-   -   Using end points to reduce power to motor (http://www.oople.com/forums/showthread.php?t=143500)

Verde 19-01-2014 12:02 PM

Using end points to reduce power to motor
 
What are the pros/cons of using a motor that is too powerful for a particular track, but is limited to say 60/70/80% of it's potential by adjusting the end points on your tx?

Im coming from a local club perspective where affordable competitive fun is more important than sticking to hard and fast brca rules. I don't mean extremes either, more like a 10.5 with end point reduced down to save buying a new 13.5 or 17.5t.

Many thanks.

russmini 19-01-2014 08:49 PM

Something i've always done.

Especially at the start of the day. Get your bearings of the track layout etc, at a 'proper' speed.

Can also help tame things if it's a little slippy and full power really isn't necessary on that particular day.

I will also be doing this with my son, who's just started racing. Increase his speed as he gets better etc.

Big G 19-01-2014 09:35 PM

I do it. Can't see it any different to only pushing the stick forward 90% of the way.

Ritchie T 19-01-2014 11:45 PM

I dont think its right, motor doesnt rev out properly and if you run any top end timing does it no screw that up?

tomtom 20-01-2014 12:13 AM

It will screw up turbo timing as it kicks at 100% although you could still increase range from 100% to 120% then decrease endpoints until the turbo comes into play but then why trying to reduce top speed.

Other than that it won't be an issue electronically, the esc will read 80% and apply power accordingly. We won't be able to use anything but full throttle otherwise:drool:

Seems like a good idea.

Danosborne6661 20-01-2014 11:42 AM

Limiting the end point is a good idea.

Will always make your car easier to drive! But of course if you're running any boost/turbo than that may not work properly. It's also better because then the stroke on your transmitter is a bit more gradual, as you haven't got that higher top-end to reach.

russmini 20-01-2014 01:00 PM

Damn! Wish I'd have put Ritchie will be along to dismiss this idea, cause he always moans at me, when I do it, lol...

Was going to as well.....

Don't listen to him, he knows nothing!!

:lol:

cutting42 20-01-2014 01:14 PM

Never bother, and my son (12) doesn't either. In my opinion just learn to take it steady on the throttle. I had to swap motors urgently during a meeting and all I had was a 6.5T for a 2WD offroad in a small indoor track and although a bit lively :lol: a gentle finger did the job.

Verde 20-01-2014 01:23 PM

Thanks for the replies guys, puts my mind at rest. In fairness to Ritchie, I was thinking the same. I don't use boost at my club because it's a very tight track, but if I ever decide to visit another club I can increase the end point if the need arises.

mattr 20-01-2014 01:43 PM

Could just use the exponential function on the radio.
So you can still get that last bit of grunt on the straight if you want it, but more controllability on the infield/wiggly bits.

Ritchie T 20-01-2014 04:24 PM

Quote:

Originally Posted by russmini (Post 831214)
Damn! Wish I'd have put Ritchie will be along to dismiss this idea, cause he always moans at me, when I do it, lol...

Was going to as well.....

Don't listen to him, he knows nothing!!

:lol:

Hahaha I saw it a day ago, was waiting for you to comment :D

Lee24h 20-01-2014 09:21 PM

This will only work if you run blinky or stock
As said before it will mess the speedo algorithyms (think thats spelt correct) in how it applies the timing/turbo


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