Model Rocketry/Expert Profile


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Expertise

Can: Nearly all low-power and some high-power rocketry questions. Can't: Anything that approaches violations of NAR/TRA safety codes; advanced high-power rocketry questions beyond L1 (I'm still learning those myself).

Experience in the area

NAR Level 1 high-power certification; BSA Space Exploration Merit Badge counselor; many years of experience in building and flying rockets from mini-motors (A3-4T) up to H impulse.

Organizations

National Association of Rocketry; NAR Section 703 TORC in Dayton, OH.

Education/Credentials

None specific to rocketry.

Average Ratings

Recent Reviews from Users

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    K = Knowledgeability    C = Clarity of Response    T = Timeliness    P = Politeness
UserDateKCTPComments
Jason10/14/0910101010Dave was extremely helpful and thorough in .....
Robert03/11/0910101010Great help and excellent suggestions. Will definitely .....

Recent Answers from Dave Combs

2009-10-10 attaching fins:

First and foremost, CONGRATULATIONS and well done to you for starting a rocketry club at school! Your efforts will inspire your students to do well in your classes and get at least a few to consider careers

2009-07-30 Hey:

A6-4 engines are only produced by Quest; this makes them a little harder to come by (Estes BY FAR dominates the engine market). Your best bet is online, and the site I'd steer you to is Quest's own site

2009-06-23 Model Rocketry:

While it's easy to simply say "a heavier rocket won't go as high", the real answer lies in finding the optimum mass of your rocket. In other words, there is a mass that will cause your rocket to be as

2009-06-19 Hey:

1. They will usually be cheapest online, even after shipping cost is included. 2. Quest is the only manufacturer of A6-4 engines. Why is this important? Because Quest doesn't have anywhere near the

2009-06-16 Starter:

First, let me say I'm glad you're getting into the rocketry hobby; you're going to enjoy it. The Astra III Starter Set gives you everything you'll need for a good while. It includes the launch pad and

 

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