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Old 16-04-2016
RC-trix's Avatar
RC-trix RC-trix is offline
Join Date: Apr 2009
Posts: 39
Default Serpent SRX-4 Mid motor/shorty conversion

I started this project on demand for a mate of mine, Bart, who has been running an Serpent SRX-4 for quite a while. He wanted a dedicated astro car with the weight distribution to match.

Firstly, let me say that the idea is very much based around pictures of one of Jorn Neumann's development SRX-4's - so no credit there.

To get the prototype made, firstly, I drew the required serpent parts to be able to move stuff around to get to belt length requirements etc.

The parts for the first prototype were made on a self-made CNC mill from a friend / hobby shop owner (topspeed solutions).

CAD drawings of the first prototype :

With this, Bart won his first Clubrace and finished a respectable 8thin the Belgian Nationals on a clay surface -for which the car is not intended.

All the while, we were having troubles with belt tension and the front of chassis bending.To resolve both we decided to with using dual top decks.

For the moment we seem to have a very reliable car with very good handling.

Specs in short:

2 mill hard aluminiumchassis

2-piece glass-fibre top deck

glass-fibre side skirts with which we can adapt 1chassis to different bodies. at the moment we are using a Yoke B-maxIII which still has some clearance issues with the spur

belts:Schumacher bando’s that free up the drivetrain compared to the original ones

As it stands now, we are are fine tuning flex and are looking into having some parts 3D printed by Paul at ORB

Btw : the car goes under the name AK-47 (Astro Killer + my age)

Thanks for looking


Some renderings and pictures of the car :

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Old 16-04-2016
stefke stefke is offline
Senior Member
Join Date: Mar 2006
Posts: 808

And i saw Bart win his 2nd clubrace with the AK47 ver2 with a dominant performance. In the 3rd A-main he came close to lapping nr2 and 3 in the race. The AK47 seems to be coming together. Nice work.
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Old 16-04-2016
maxoo maxoo is offline
Join Date: Apr 2007
Posts: 156

Good job!
Atomic Carbon S2 swb
B4 Hara edition
Durango 2007 replica ( http://www.oople.com/forums/showthread.php?t=163715 )
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Old 28-04-2016
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Welshy40 Welshy40 is offline
Spends too long on oOple ...
Join Date: Sep 2006
Location: Surrey
Posts: 4,733

Stunning work.
Sworkz UK team driver
Designer of the Lazer ZX/ZXR carbon fibre tub chassis
Designer of the Lazer ZXRS

Team Fabiix Batteries (Yuasa), always in front when using sanyo scrcs.
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Old 28-04-2016
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cjm_2008 cjm_2008 is offline
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Join Date: Jun 2008
Posts: 875

Absolutely outstanding.
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Old 28-04-2016
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feniks feniks is offline
Senior Member
Join Date: Oct 2008
Location: Anwerp, Belgium
Posts: 862

I love the car .
The way it drives and handles is way above my original expectations.
Luk and steven have done a great job .
topspeed modelshop
Ralls racing
Fba section offroad chairman.
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Old 28-04-2016
mr. ed mr. ed is offline
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Join Date: Feb 2008
Location: Mechelen, Belgium
Posts: 519

I'm glad you've to come to join me on the diy side Bart

Excellent work guys
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Old 13-12-2018
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The_doctor The_doctor is offline
Join Date: Jul 2010
Location: Austraila
Posts: 153

any chance on making kits to buy mate very interested
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Old 14-12-2018
jerzi jerzi is offline
Join Date: Oct 2010
Posts: 195

Superb or stuning good work.
Is there any youtube video to share??
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Old 08-01-2019
Posts: n/a

Wow! This is great work!
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