Centuri Scram-Jet 1.37X/1.140X upscale
 

Here's the RockSim file:

http://forums.rocketshoppe.com/showthread.php?t=6994


Wallyum's build:

http://forums.rocketshoppe.com/show...65&postcount=17


Launch pad glamour shot and flight pics:

http://forums.rocketshoppe.com/show...41&postcount=15

.

I'm going to try this one on a calmer day after I add a couple of washers for nose weight. There was a lot of wiggling going on as it left the pad, something I noted with the 1:1 Scram Jets I built in the ol' days.