24 January, 2009


i have done some maths.

R.A.T.T works I90 rocket, modified

overall tank volume = around 720cc
weight of the 2 tanks = 2.48kg full

i need around 800g of fuel for 12 second burn

the rocket alone will weigh around 3.5kg

average thrust will be around 7.5kg

max thrust will be around 17kg

hear is the throttle curve for an un-modified one

i dont know if i will choose this combination at the moment and correct me if i have made a mistake.

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