November 2008 Update

I haven't updated this for w while so thought I had better post the latest creation. The 3 wheeler never worked but the only thing I didn't try was front wheel steering. As the back end was so unstable I went on to something else. Here is a pic of the latest car




Twin Novarossi 35PLUS 21 engines with 3 speed gearbox and 4 wheel shaft drive. Its not without its problems. I used the front bulk heads from a Kyosho RRR and converted them to shaft drive. This gave me problems ensuring the bevel gears were meshing correctly and they wear out pretty quick. I think the best way would be to make custom bulk heads as a box so the gears always mesh properly.
The power to weight ratio is slightly better but I am thinking of using marine engines and a 4 speed gearbox. Here is a better design

Update

The 3 wheel car it its initial form didnt work. It didnt have any grip and was difficult to control. The next step was to redo the front end with suspension and try again. This was also uncontrollable so I installed a steering gyro but this could not control the car. The problem was it was inherently unstable so next I modified the front and installed a differential

This worked and the car now tracks straight and wont veer off into the grass

Next test will be some time as I am off back to work

Here is a pic

Final Build

Here is the car finished and with the body on. Testing is on Monday 23rd June at Long Marston
Airfield


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Alien 3?

I need to see if the no suspension design works so am building a test car. Here are some pics
















The idea it to make the car as ligh as as efficient as possible. The car only has 2 gears and is geared for 100mph. This is to find out if ots stable enough for high speed. If it works I'll be building a 3 engine version with a 3 or 4 speed gearbox and geared for 150mph

Testing will be next week

Cheers

3 engine version of the same design

With the shell and some nice wheels

A quick design idea