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throttle return springs

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UltegraSTI

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need 2 get 1 for at least my SUT (GS25MT) and possibly the ole hyper 21 4 the '7.

any1 done it already and have it figured out. or somethin similar thx.

track requirement, failsafes wont suffice.

-Ult
 
I am no familiar with the engine in the sut, but i am assuming it's a slide carb. If it is, take one end and place it at the base of the ball end on the carb. Make sure you have enough to reach the HSN and wrap it around the bas of the HSN and make a hook and clip it to itslef. Make sure it has enough tension to still close the throttle but not so loose that it's nothing at all. Main concern of a track is if the throttle linkage pops off, will the carb be able to close in case of a runaway.
 
yes i know the 2 pickup points, wonderin if some1 sold somethin already premade.

its a slide just like all the other standard .21s from what i see.

-Ult
 
this is what i use...

this is what i use.... (see attachment)

and sometime you can use BIG 'O' RING.

but 1 issue comes in.... you need STRONG SERVO and bigger battery pack... it seems the LOAD from the TRS eats more battery....:(


:) mop :)
 

Attachments

  • DIY Throttle Return Spring.webp
    DIY Throttle Return Spring.webp
    14.3 KB · Views: 124
I have seem that throttle return spring on the HPI Savages, as that is a item that comes in the kit. In my manual for the Savage the part number is 86101, it has the return spring, and few other parts that you might not need.
 
I never used throttle return springs up until the RCNT Florida Bash because i always used fail safes but at the RCNT bash my throttle servo actually died and i went WOT into a outside retaining wall. So now i use both. U can find throttle return springs at hardware stores, thats where i get mine at and they work great.

later
 
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