Bullpup 12D

Monday, 15 May 2000
This is my first scale kit. I like the looks of scale kits but it takes a great deal of attention to detail to have it turn out right. I don't mind it but it's not something I enjoy doing for every kit I build. Sometimes you just want to slap the fins on and go. I am very pleased at how this rocket turned out though. With the water-slide decals and a coat of dull spray you might think it was armed. It's kinda hefty for it's size. Quite a bit of nose weight is required because of the small rear fins and the canard fins. I'll be interested to see how it flies. I'll try to get a picture up soon.
Friday, 23 June 2000
I saw a Rocksim file of the Bullpup where a booster section was added to create a two-stage version. I just had to try this. The booster is almost done. A couple coats of paint and I'll be ready to try this out.

Bullpup 12D Flights (5)
Date Flight #Motors Motor ISP Description
5/20/2000 33 1 A8-3 2.5 The A8-3 is a recommended motor for this rocket but it is grossly underpowered. Barely reached 40 ft. AGL. Luckily chute deployed and intact recovery.
5/20/2000 36 1 B6-4 5 Nice flight. Caught it on the fly before touchdown. Imact I might say. The 12" chute is a too small for this hefty little rocket.
7/2/2000 42 1 B6-0 5 My first two stage flight in about twenty years. Booster worked well but dinged a fin on landing. Sustainer shredded chute on deployment and landed hard enough to break two fins. Already repaired and ready to go again.
7/2/2000 42 1 B6-4 5 My first two stage flight in about twenty years. Booster worked well but dinged a fin on landing. Sustainer shredded chute on deployment and landed hard enough to break two fins. Already repaired and ready to go again.
7/8/2000 52 1 C6-5 10 Very impressive shot. Very high even with a little tip-off. Drifted far over to the west right to the fence line.

Total ISP: 27.5 newton-seconds

Average ISP: 5.50 newton-seconds

Bullpup 12D Flights (5)
Date	Flight	#Motors	Motor	ISP	Description
5/20/2000	33	1	A8-3	2.5	The A8-3 is a recommended motor for this rocket but it is grossly underpowered. Barely reached 40 ft. AGL. Luckily chute deployed and intact recovery.
5/20/2000	36	1	B6-4	5	Nice flight. Caught it on the fly before touchdown. Imact I might say. The 12" chute is a too small for this hefty little rocket.
7/2/2000	42	1	B6-0	5	My first two stage flight in about twenty years. Booster worked well but dinged a fin on landing. Sustainer shredded chute on deployment and landed hard enough to break two fins. Already repaired and ready to go again.
7/2/2000	42	1	B6-4	5	My first two stage flight in about twenty years. Booster worked well but dinged a fin on landing. Sustainer shredded chute on deployment and landed hard enough to break two fins. Already repaired and ready to go again.
7/8/2000	52	1	C6-5	10	Very impressive shot. Very high even with a little tip-off. Drifted far over to the west right to the fence line.

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Total ISP:	27.5 newton-seconds
Average ISP:	5.50 newton-seconds