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Thread: J.J.'s LR3

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Old 10-25-2010, 09:45 PM   #1
Join Date: Aug 2010
Location: South Africa
Posts: 31
Default J.J.'s LR3

New to the board and to R/C. My 4 year old son got an HSP Crawler last Christmas: the HSP has been great and with the exception of some plastic rod-ends nothing has broken.
My son's driving skills have improved to a point where I feel he can move up to the real thing. (And he has been a good boy)

So herewith the start of a very simple build:

SCX10 kit

Rastar LR3

Here's the plan:
2 x 15Kg Chinese Waterproof servo's, one will be CM using the poorman's method, the other servo will be turned into a mid-mounted winch using the Grizzly method.
HSP ESC - I have a spare from my son's HSP and it worked very well while driving two motors, cheap.
HSP 4 channel AM RX , also a spare from my son's HSP 4WS, worked well, even after the truck fell into the pond, no glitches and very cheap. Just need another radio.
No-name brand Chinese steel/alloy drive-shafts.
Possibly some 1.55 Mud Thrashers in the future.
8mm key-steel for sliders and cross-members.
Chinese knock-off's as spare wheels.
Cell-phone seats.
Roof rack.
Steel bumpers.
28T motor or 65T Crawler motor.
The Iceman as the driver.


Drive-shafts, had to be shortened by about 10mm as shown.

CMS, used a servo mount from a robot shop.

Virtually no bumpsteer with this set-up, the draglink however, hits the trackbar just before the shocks reach the rubber bumpstop. Will have to make the some adjustments to the rod-end on the servo arm or change it out to the Axial plastic rod-end.

The Iceman looking very smug here, little does he know I'm getting a cap to hide his ridiculous haircut, or that his legs are too long.
He will be a double amputee in the not too distant future...

Thanks for watching, hope to have some updates soon.
All comments welcome!
J.J. is offline   Reply With Quote
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Old 10-26-2010, 12:41 AM   #2
Pebble Pounder
Join Date: May 2007
Location: Right Here
Posts: 111

looks great man.
tmaxxcrusher is offline   Reply With Quote
Old 10-26-2010, 08:05 AM   #3
Rock Crawler
Join Date: Dec 2008
Location: Santa Rosa
Posts: 935

Very nice Iam sure your son will like it. Only one problem I see is, you will need another SCX-10 for yourself.
Big Bill is offline   Reply With Quote
Old 10-26-2010, 08:22 AM   #4
I wanna be Dave
Join Date: Aug 2008
Location: Austin, TX, USA
Posts: 4,237

Looking great!!
Tommy R is offline   Reply With Quote
Old 10-26-2010, 10:24 AM   #5
Quarry Creeper
Join Date: Apr 2010
Location: Los Angeles, 90201
Posts: 237

Looks great . . . Reminds me of my build
toyotaexo88 is offline   Reply With Quote

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