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Tamiya grasshopper, for the track!

Posted: Tue Jan 17, 2023 12:13 pm
by graemevw
Put this together recently, thought some of you might like it.

I love the grasshopper, but it needs a little help.
A friend developed some conversion parts for grasshopper 2. I decided to adapt them for the original.

Plan was to build something that will handle well and cope with 13.5t brushless happily.

The main part of the conversion is using the transmission from a thunder shot series car.

This requires 2 bobbins to be made, these allow the lower mounts to fit nicely to the grasshopper
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Re: Tamiya grasshopper, for the track!

Posted: Tue Jan 17, 2023 12:16 pm
by graemevw
It then attaches at the top with some ball ends and m3 rod

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And some rackets bolted to the tub to pick up the middle mount
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Re: Tamiya grasshopper, for the track!

Posted: Tue Jan 17, 2023 12:18 pm
by graemevw
An frp rear tower was made
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And the body notched slightly to clear the upper links
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Re: Tamiya grasshopper, for the track!

Posted: Tue Jan 17, 2023 12:22 pm
by graemevw
3d printed 3 degree toe in rear hubs and shumacher turnbuckles
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The front required a 3d printed mount to take more thunder shot arms. It used 3d printed 5 degree castor c hubs, and dto2 knuckles.
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Re: Tamiya grasshopper, for the track!

Posted: Tue Jan 17, 2023 12:26 pm
by graemevw
There wasn't enough room to mount the shocks like a gh2 super g, so the mounts were removed and an frp tower made.

It has jc 2.2 wheels and schumacher tyres. Cut stagger low on the front and darts in the rear
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Re: Tamiya grasshopper, for the track!

Posted: Tue Jan 17, 2023 12:27 pm
by graemevw
Mci decals and some old schumacher springs (the green was a happy coincidence!) Finished it off

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Re: Tamiya grasshopper, for the track!

Posted: Tue Jan 17, 2023 12:31 pm
by graemevw
Its first track outing was a huge success. It's far greater than the sum of its parts. Handles great, jumps great, it's amazing!

A friend took this photo at the track.
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Once the steering had been dialed in, it's very placable and stable, easy to drive fast. The suspension guesses were good but could do with maybe a little more front damping.

Re: Tamiya grasshopper, for the track!

Posted: Tue Jan 17, 2023 12:33 pm
by graemevw
I have some video, but no way of posting it here.
If anyone can, let me know. Thanks 🙂

Re: Tamiya grasshopper, for the track!

Posted: Tue Jan 17, 2023 12:37 pm
by graemevw
Would really like a lexan grasshopper body for this.
I like the way the hard body braces the tub, but the rear wing section is fragile.

Was it parma that used to make one?
Not seen one for sale for a long time though.

Re: Tamiya grasshopper, for the track!

Posted: Tue Jan 17, 2023 3:11 pm
by Dadio
That's a cool build , check out my gRassC10
https://www.rc10talk.com/viewtopic.php?f=32&t=47571

Re: Tamiya grasshopper, for the track!

Posted: Tue Jan 17, 2023 3:23 pm
by graemevw
Dadio wrote: ↑Tue Jan 17, 2023 3:11 pm That's a cool build , check out my gRassC10
https://www.rc10talk.com/viewtopic.php?f=32&t=47571
I like it!

Re: Tamiya grasshopper, for the track!

Posted: Tue Jan 17, 2023 3:29 pm
by graemevw

Re: Tamiya grasshopper, for the track!

Posted: Tue Jan 17, 2023 6:15 pm
by TokyoProf
That performs pretty well on the track. Nice and innovative modification for a classic.

I kept the grasshopper body and 4WD abilities :) below

https://www.rc10talk.com/viewtopic.php?f=32&t=47826

Re: Tamiya grasshopper, for the track!

Posted: Tue Jan 17, 2023 6:35 pm
by moto-steve
Grasshopper my first buggy, I think a hopper can dominate against anything today!! It's a sleeper :mrgreen: keep the classics alive buddy.

Re: Tamiya grasshopper, for the track!

Posted: Tue Jan 17, 2023 10:12 pm
by RogueIV
Looks right at home out on the track. Great work!