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I'm quite interested to see how this concept pans out having built
a petrol engined spinner myself for the series 6 of Robot Wars (auditions)
My spinner was a vertical but was more like a steel proppellor blade
and spun in front of the robot as such, it was running off a briggs
n stratton lawnmower engine which drove a heavy hub disk brake
and 50mm thick steel proppellor and a grinder addition.
I'm interested in how you intend to keep it running upside down
ie when its flipped, how you will cope with the fuel limitations 200ml
I think-you will need a Rc controlled electric start because its bound
to stall, It will have to be braked and if its not automatic you will need
a way to operate the clutch.
Interesting prospect but not an easy build.
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Having looked at Hardox tubing for Deadlock the minimum order was like a kilometer or two.
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Always good to have spares Rob :)
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200ml of fuel= 1.78Kw of energy. Efficiency of a small 2 stroke petrol engine, 20%= 450W used for the disk.
Small customized 5Hp petrol engine + fueltank+ electric starter = +/-10 kg.
5Kw electric motor+ 12S 10 000mAh batteries*+ ESC= 7kg.
*Almost 450W, comparable to the usable power of the fuel.
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And the electric motor happily runs upside down.
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And is a lot smaller.
And is allowed on most events (where spinners are allowed)
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Yeah but more importantly electric motors aren't nearly as cool..
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Do a "Tesla Brabus" and install a soundsystem to make the noise.