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Old 04-27-2007, 05:05 AM
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romuald31 ~ This is an interesting addition to your car....

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Old 04-27-2007, 05:14 AM
  #692  
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Have you never seen that? a lot of drivers have that so they can rev the engine when the receiver and transmitter is turned of. with a screw it is easier to access when you want to test something like how the clutch engages.
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Old 04-27-2007, 05:14 AM
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Originally Posted by rmdhawaii
romuald31 ~ This is an interesting addition to your car....

Ah! looks like a throttle blipping handle! all good cars should have one!
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Old 04-27-2007, 05:28 AM
  #694  
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on 1/10 sedan, yes..
on 1/8 lola, the holes in the body aren't big enough, to allow a finger...
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Old 04-27-2007, 06:09 AM
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Originally Posted by Ice_nl
Have you never seen that? a lot of drivers have that so they can rev the engine when the receiver and transmitter is turned of. with a screw it is easier to access when you want to test something like how the clutch engages.
No, I have never noticed that on anyone's car before - not even at our track. And I don't think I've noticed it on any pro's car either - at least not in the pictures that I've seen. I went through the "gallery" threads real quick and didn't see it either!

Does anyone think this is a bad idea?
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Old 04-27-2007, 06:45 AM
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Originally Posted by rmdhawaii
No, I have never noticed that on anyone's car before - not even at our track. And I don't think I've noticed it on any pro's car either - at least not in the pictures that I've seen. I went through the "gallery" threads real quick and didn't see it either!

Does anyone think this is a bad idea?
I don't know if it good or bad, but I hope you have a digital servo.... I prefer to twist on the arm connected to the servo
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Old 04-27-2007, 06:54 AM
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Originally Posted by bvoltz
I don't know if it good or bad, but I hope you have a digital servo.... I prefer to twist on the arm connected to the servo


I prefer to hold the car,and blip the radio......that is the real test how everything is working......if you want to test the clutch,do you think you can duplicate the speed of the servo holding onto a screw?..(slower OR faster)
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Old 04-27-2007, 07:03 AM
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Ive seen that on mostly sedans. Its a good idea to manually warm up your car before your qualifier so you can actually tune during warm up with a motor that is already up to temp. If you run a spectrum then I guess you can turn your radio on early with out issue.
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Old 04-27-2007, 07:30 AM
  #699  
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Originally Posted by rmdhawaii
romuald31 ~ This is an interesting addition to your car....



I see on the carb, there is an elastic band to presumably keep it closed, i.e throttle return, when servo's become detached?

I had this prob recently and was going to put a spring in to hold it shut, but that looks messy, is an elastic band ok to use, and what about heat?
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Old 04-27-2007, 07:42 AM
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Pretty much everyone uses a rubber band for throttle return. It is actually part of tech inspection. The tracks I have been to for state races and such will not even let you on the track without one. The rubber bands used for braces (for your teeth) work really well. Just buy a bag full and replace it with a new one whenever you are servicing the engine.
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Old 04-27-2007, 07:53 AM
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Originally Posted by Art Jensen
Pretty much everyone uses a rubber band for throttle return. It is actually part of tech inspection. The tracks I have been to for state races and such will not even let you on the track without one. The rubber bands used for braces (for your teeth) work really well. Just buy a bag full and replace it with a new one whenever you are servicing the engine.
Dental bands or hair bands is what they are. I have a bunch in front of me. They also come inside of transformer toy boxes (dont ask). But ive been using these exclusively. In reality a spring thats strong enough to force a servo to move is going to wear on the servo and drain the batteries quicker. Ive been using the bands for awhile , cleaner and easier. Even though they probably wouldnt work if the servo is stuck at WOT.

But rest assured if the servo arm pops up , then your fine. Which even a throttle spring wont help. It has ample strength to pull back in that event.
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Old 04-27-2007, 08:23 AM
  #702  
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rubber bands won't cut it........

here's what you need.....

http://www.kyoshoamerica.com/techtips/throttle.asp

Racing regulations require a throttle return on all Nitro powered vehicles. It also just makes good sense to have some form of protection from a runaway in case of a mechanical or battery failure. Almost everything has been tried in the past to close the carburetor. From large bulky rubber bands to large bulky springs that look like they could close your garage door! Both work somewhat, but the rubber band is affected by the Nitro fuel and the springs just seem to be in the way.

The Team Solution:

Using these small thin bands solves all the problems and meets all racing regulations for a positive throttle return. Fuel does not affect these bands and they are so thin as to not interfere with anything in the area. Several cool colors are available. Check your local supermarket or drug store in the girls' hair dept for these type bands.








you're welcome..
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Old 04-27-2007, 09:07 AM
  #703  
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Originally Posted by fastharry
rubber bands won't cut it........

here's what you need.....

http://www.kyoshoamerica.com/techtips/throttle.asp

Racing regulations require a throttle return on all Nitro powered vehicles. It also just makes good sense to have some form of protection from a runaway in case of a mechanical or battery failure. Almost everything has been tried in the past to close the carburetor. From large bulky rubber bands to large bulky springs that look like they could close your garage door! Both work somewhat, but the rubber band is affected by the Nitro fuel and the springs just seem to be in the way.

The Team Solution:

Using these small thin bands solves all the problems and meets all racing regulations for a positive throttle return. Fuel does not affect these bands and they are so thin as to not interfere with anything in the area. Several cool colors are available. Check your local supermarket or drug store in the girls' hair dept for these type bands.








you're welcome..
Thats exactly what im using.
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Old 04-27-2007, 09:39 AM
  #704  
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Originally Posted by Artificial-I
Thats exactly what im using.


yep..sorry I had to mention the name of another company,hope I don't get banned by the X Ray gods....
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Old 04-27-2007, 10:05 AM
  #705  
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Thanks very much guys, i'm off to get some right now, so simple, wish i'd though sooner.....instead i've got hurt toe and shin (well, luckily i was wearing motorbike boots) it was the trottle arm linkage that had vibrated loose, so no resistance on the carb, and the rubber boot pushing it open...screamed its brains out towards me in first, but caught it with my foot/shin, bloody hurt!! Thing is i've just replaced all internals in the engine apart from piston/cyl...so was just running it gently to bed the bearings in...huh, certainly done that now, just hope it ain't damaged it!

Cheers for the quick reply everyone.
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