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rocket power!!!
| model | Hirobo [ click here for more Hirobos ] |
| status | Other |
| date entered | 03/07/2008 06:48:34 |
| description | On a nice summer day, we couldn't decide if we wanted to go launch model rockets, or drive RC Cars, so we compromised, and here is the result. |
| contact | Click here to email superchampjohn |
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I'd also recommend changing the tires to something more solid, as its rolling resistance you want to overcome, and off-road tires tend not to be good for that. The first time I tried, we used small rocket engines on a Marui Galaxy, but the result was pretty pathetic, which is why the second time I tried I use a Celica LB Turbo, very light and rolling resistance was very low. The results were impressive, albeit ultimately damaging for the car. We did have two other issues, one was we used two engines side by side in series, so we didn't account for differential thrust (rocket engines won't fire the same, makes it very hard to control), and secondly, the tires at the front didn't have enough grip to give us any steering, and when we fixed that, we had too much steering. This caused the final destruction of the body and steering area, as it launched and started to veer, and when I tried to correct, when straight into the gutter, pieces of the car ended up as far as 15-20 metres away.
@ Petrolhead: Well, for the first few feet it really moved, and then it just rolled to a slow stop. I had removed the electric motor, ESC, 7.2 volt battery, and just had a steering servo powered by 4 AA batteries. I wanted to make it as light as possible. Next time I will also remove the front bumper and will use a bigger Rocket Engine.......
Was it super fast?
dont poke any eyes out!!!! Be careful dude!