Razterizer's Rocketry Corner

My ultra sensitive and ultra cheap scales have arrived at last! I celebrated by immediately making a test casting of inert rocket proppella...

I felt the need for creating a program that can take any grain shape and analyze what the maximum burn depth would be. Noting that we are as...

I just hope my propellant will be close enough to the one Nakka's using. I'll probably have to do the burn rate tests myself later o...

I'm doing pretty well now. I've ordered some KNO3 from cavemanrocketry , won two auctions at eBay and got two scales 2000/0.1g and ...

Now to the fun part! By now we have enough information to estimate the characteristic velocity c* , the theoretical Isp , the exhaust veloci...

The grain is designed to be a free standing grain, i.e. no case bonded (inhibited) grain. Further it is a hollow cylindrical grain. This is ...

Since I've got a number of PVC-pipes in different dimensions at home already I thought it would be wise to start with the smallest first...