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can i get a little help with my invention.. as reward you know what the invention is! Answered

its a kind of bow... but its not a bow..

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wow,, yeah thats basicly it..
but can it be build to be a one handed kinda ballista,, not so crossbow like..
or does it only work big ?

it looks impressive but when i see the vids i'm a bit disapointed in the power.
but thnx for the link

Sure I'll bite.  What do you need.

yay! i need someone who did some more in practice..
and since i dont think i found the holy grail
this is it.
you have the torsion catapult
]http://www.stormthecastle.com/catapult/images/torsion_catapult/close-up-of-mangonel-strings.jpg
combined with a bow.

http://pic100.picturetrail.com/VOL1045/3759027/18347161/377783032.jpg
(so good with paint XD)

but i want it low budget.. i have two hammer handles (light and strong) and some 3mm normal white rope.
need a wooden block i think but what kind of wood is strong enough ?

will it even work ?

and what do i get to tighten the ropes and make it stay tight ?

i'm dutch so dont mind the grammar