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Watching Aerostadt rebuild his 10" Atlas got me to finally think about doing one with a lightweight foam superstructure. I've had pretty good luck so far using foam for lightweight large rockets. I want to do a missile version however, not the mercury-atlas because I prefer missiles I guess. My target is to do it the same size as Bob's but have it weigh the same as only the nose weight he used for his model, 5#.
I'm hoping that 1/16" makrolon fins will be tough enough at this weight, they do weigh 2.5oz each so heavier than I would like.
So, I'll attach an early openrocket file(without the side fairings) but you'll get the idea.
10" diameter, 82 inches tall, 5# or so AUW is the target. I'll try my normal method of using a 29mm core tube with a 4" parachute bay at the top, the warhead section will fit into the 4" parachute bay via a coupler and will be the part that ejects. Altimeter on the side near the transition with wiring that routes up the 29mm tube into the parachute bay. I've got some bt-70 for the warhead.
Frank
I'm hoping that 1/16" makrolon fins will be tough enough at this weight, they do weigh 2.5oz each so heavier than I would like.
So, I'll attach an early openrocket file(without the side fairings) but you'll get the idea.
10" diameter, 82 inches tall, 5# or so AUW is the target. I'll try my normal method of using a 29mm core tube with a 4" parachute bay at the top, the warhead section will fit into the 4" parachute bay via a coupler and will be the part that ejects. Altimeter on the side near the transition with wiring that routes up the 29mm tube into the parachute bay. I've got some bt-70 for the warhead.
Frank
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