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great job!!

Thanks for the reply Bob...but I have this book already and its unfortunately not it. Good book tho! The book is very subject matter focused, and is very good. I had it on my old computer that was wiped out. Its a great resource....

Does anyone have access to the fin design manual developed by the US Army (Well I believe it is the US Army that developed it but I'm not 100% sure)? Or know where I can find it... All searches have been unfruitful at this point. It was a design manual for all aspects of fins for...

Finally an Arkansan on the forum! Im currently in Malvern so not far at all. I have launched LPR at cedar glades with no problems (streamers only). I have located a couple of huge fields south east of Arkadelphia that will be perfect for HPR. Currently trying to find the owners to get permission.

in englisch?

Pressure thrust = Fp = (Pe - Pa) Ve Simplified: Exit pressure minus the atmospheric pressure (difference in pressures) times velocity at exit (how fast the flow of particles or "flow" is) = Pressure thrust The more the difference between the exit pressure and atmospheric pressure is the...

Jeez, I already thought i was being anal enough by using 2000 grit! :eyepop: And 12000 grit!?! I didnt even know they went that high. Anyway thanks for the replies... Looks like I might have to order more sandpaper to bring a new level of OCD to the table! or glaze...

Is there a good way to bring a shine to paint (Duplicolor) that has been wet sanded? I know I can use future to polish it, and/or a shot of clear coat but that is not what i want to do. What I want to do is make the specular highlights pop by polishing it by hand. I wet sand to 2000 grit then...

https://www.floridatoday.com/article/20120116/NEWS01/120116009/Explosion-kills-West-Melbourne-man

pics? condition?

Be careful... Source: Link

Or for those DIY people: 1 Glass of HOT water 1 Measure of Borax 1 Measure of Boric Acid (optional) 1 Lint from your drier (Might as well use it for something!) Directions: Take the hot water and pour/mix small amounts of enough Borax in the mixture until it will not dissolve anymore...

Found this: Link

Must be acrylic then; I don't think it was Lexan. Hobby Lobby had thin sheets (8.5" x 11") of the stuff on the shelf at clearance prices. It was only about a sixteenth inch thick or less.

If you want your nose cone rock hard: 1. Get a container that would completely hold all of the nose cone. 2. Use hot glue or something similar to hold the nose cone to the bottom of the container (temporarily!). 3. Pour in minwax wood hardener to completely cover the entire cone. 4. Put...

Thanks Greg

Not soon enough...

See the following link for some more details: https://www.rocketryforum.com/showpost.php?p=209032&postcount=9

Wood filler; Thinned with water. Sanded smooth then reapplied. Then a good coat of primer. Thats what i use anyway...