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THE 2007 GREEN MACHINE


Our thoughts behind designing this car were to aim at building an electric powered tether car that would do 200mph. Having no expertise in aerodynamics, or a wind tunnel to do any scientific testing, we simply looked at various Bonneville Salt Flat cars, and picked a body shape that looked like it would fit our application. Since our background was only in gas powered tether cars, we looked to the work that was being done by Nic Case with his ultra fast RC cars. Nic had already set himself far ahead of his competition, and today is the reigning World Champion of fast RC racing. George and I figured that this guy knows what he is doing, so we looked to his cars for guidance as to the best brands of motors, motor controllers (ESC), and batteries to consider for our design.

With the weight of the chosen motor, and the heavy batteries necessary to support the 5000 watts of power output, we were well aware that the Green Machine was not going to be a lightweight. For this reason, carbon fiber was chosen as the material for the chassis plate, and the top and bottom covers.

Green Machine Specifications

Motor
Controller
Batteries
Throttle control
Chassis plate
Body top &bottom
Machined parts
Gears
Dimensions
Weight
2200 Series Neu motor
Castle ICE HV 160
Thunder Power 12s 3300MaH
On-board, custom built – programmable
CNC machined ¼ inch laminated carbon fiber
Vacuum molded carbon-Kevlar
7075 & 2024 aluminum, and steel
Steel spur – ratio undetermined
21” L x 5” W x 4” H
8+ lbs.


3D Concept Drawings



 Preliminary Parts Assembly Photos

CF Chassis & Top & Bottom Body Shells
 

Front Wheels & Suspension


Rear Suspension & Shutoff


Front End Top View
 

Front End Bottom View
 

Motor & Rear Axle Top View
 

Motor & Rear Axle Botton View
 

Now, six years later, the Green Machine is about 90% complete but remains a spare time project. There are concerns that it’s shape may act as a wing, and that perhaps when it makes it’s way to the track, it would rather be an airplane instead of a race car. There is a front spoiler under construction that we hope will keep it on the ground.