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Model Rocket Engines - How many would it take

Across the rear bumper of a sled to make a difference in a hillclimb?
Look at the thrust charts HERE - some of the big restricted access ones are AWESOME!
Wheres ole 383, maybe he can bolt a string of them on...
 
Across the rear bumper of a sled to make a difference in a hillclimb?
Look at the thrust charts HERE - some of the big restricted access ones are AWESOME!
Wheres ole 383, maybe he can bolt a string of them on...

theoretically, one. Any additional thrust would equal more force pointing up the mountain.

how practical is it? Well, consider the thrust vs weight of the motor itself (since they are solid boosters, their Isp isn't all that great, say, 250-300 tops, whereas a lox motor is in the 450 range) and it's probably not worth the time or effort...except for the looks you'd get! Chicks dig big rockets. ;)





oh, if you do it, PLEASE design the mounting system properly...can you imagine hitting that button at the top of the climb and having a 50mm rocket motor coming full steam up your poop-chute?! :eek::devil::face-icon-small-con
 
I used to fly those rockets. Certified to level 2.
Flew multi-stage as well as super sonic.

You strap a couple "K" rockets on, it will make a little difference.
You strap a couple "L" rockets on, you will go up like crazy. You won't be able to stop or control the burn, but you will definetly get a boost.

We put a 200lb rocket to 3kft with a cluster of staggered K 550's.
 
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