Doug Gerrard

I found my firends web site but there isn't that many pictures. I'll post it here for anyone that is interested.He did get many, many flights on that rocket in part because of the vent holes. If you...

I am struggling with this drag seperation of the booster and with the interstage coupler(with timer) attached to the booster , how do you set timing so the sustainer motor gets lit before seperation? ...

I have successfully staged a HPR rocket and it is a learning experience. I also have in the works a larger two stage rocket. I can try to help. Doug

If you are unable to attend, please snail mail or FAX your vote by proxy to the club by Friday. To FAX it, please FAX it to the attention of Warren Musselman at (303) 449-5594. For Snail Mail, (gettin...

I did some searches on Photosonics 1VN, and one place that I contacted is a consignment broker. His question was how much would I pay and what lens would I want on it? He can also build a 28V Ni-Cad b...

Doug, Sign me up if you want to teach a class on film. I would be very interested to learn more about it. Do you have a 5" camera payload prebuilt that I can add to my rocket? I'd be happy to talk to ...

Doug, I was thinking along those lines. If you want to suggest a video camera that I can put in it, I'll do it. I also need to know how you are splitting the optics or mirroring the images. Mike, you...

I'll look at adding ballast (would sand be a good choice? lead shot? 10 Big Macs?) to the nose cone to see if I can get below 12K. How about adding a functional payload like a camera? 😉 Doug

Warren, I got a favorable response. I sent you an e-mail with some details. Doug

Warren, I'll forward your posting on the a couple of guys I work with that might be interested it joining your project. They have talked about doing the same sort of thing for a while now but not wit...

Art, I have a copy you can have. I guess I did make the centerfold of a magazine... It also has a note from Bruce saying my article will be in the next issue. The issue that never came out. I wrot...

Conway, I obtained some aluminum rings I was going to use to build a tower launcher with and even came up with a cool plan. I haven't built it yet and have lost interest in doing so but I still have ...

Scott, How were you going to mount your rail buttons? Maybe this is better for another topic thread, but there are more ways to mount them than there are sizes and everyone has their own opinion whi...

What is the density of the foam Expanding foam usually comes in 2 lbs/cubic ft to 16 lbs/cubic ft depending on what you buy. Doug

I cut it rough (not worrying about being even or square) with a Dremel cutter with a diamond saw and then finish the edge with an edge sander. Doug