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1% does a very good job of accelerating the burn rate. I’ve found that you get a much more conistent propellant if you ball mill some KNO3 until it is very very fine, almost flour like. You then mix that…   Read more»

Probably My ‘pinch’ of Iron Oxide’…When I started making sugarmotors, the web site I used suggested a pinch of iron oxide toa 65/35 mix.How much is a pinch?I have since read a couple places suggested putting about 1% iron oxide….   Read more»

Very nice! I’ve built quite a test stands over the years and this one is my favorite, fires vertically for hybrids and was within 1% on the NAR data for my certs. I’ve also got a 5000lb one for those…   Read more»

Mike/Edward.Jeremiah and I have a test stand too, but I don’t know what the max it can test is. Maybe Jer will chime in on this. I’m trying to figure out a way to do tests in Broomfield on our…   Read more»

If people want to test motors I’ll be more than glad to bring my test stand – I can go up to 220 lbs and 2500 psi, at up to 50kHz. It would be nice to have a static test…   Read more»

Mike, that does seem to be a poor burn to me. The exhaust plume seems to be kind of week and inconsistent. I am still in work putting together a test stand and would love to see some actual numbers…   Read more»

Yes. 65/35.Some very good prices. If they are still around, let Me know.

Are you using the 65/35 mixture? I found sorbitol much easier to work with than any other of the sugars. I bought my KNO3 from a supply house in Denver – it was .40 cents/lb in 50 lb bags in…   Read more»

Potassium NitrateSorbitolIron OxideI mix small batches by gram weight.http://www.skylighter.com/Could never find any of this stuff in the Cheyenne area.May be available in Colorado.Skylighter has been very prompt with shipping andquality seems great.This compaired to other tests was a little lazy.

Looks very good! What are you using? Sucrose? Also, where are you getting your KNO3?Edward

Tim Thomas has done such a superb job… I’m so glad it isn’t ME who is trying to fill his shoes. Joe Hinton is also “Mr. Dependable”, and while I’m saddened to see Tim move along, I’m relieved that Joe…   Read more»

Wow, that is big news. We all know Joe will do a GREAT job, so the only real question/concern I have is making sure Tim is still around. I sincerely hope you plan to continue to be a part of…   Read more»

but we’re glad to hear it wasn’t a CATO.Look forward to seeing you out from behind the table too.Good luck.

Glad to hear you’re going to be around Tim.forget washing Joe’s car… I might put some gas in it 🙂

Now, about that Level 3 of mine…. Tim, THAT’S what I wanted to hear! Tim, you have been a great friend to me personally and to the club for all these years, so glad you’re not going away! ‘Bout time…   Read more»

8) Everything has a time. Four years, 82,000 miles and 74 Launches. A total of 396 Hazmat boxes shipped and several times that in USPS mailings. Mail saved in my Tim4glr e-mail, 4,894 in and 1,205 mail sent. I have…   Read more»

Congrats Joe!!Thanks Tim for all your hard workDon’t be a stranger

Life is full of ‘The Best Of Times’ / ‘The Worst Of Times’What a Sadly Wonderful Time.Wish Both The Best.WOW.

Wow, I predict Joe is going to be one busy boy this coming year.

WOW, big news…. 8OThanks Tim for all the help and awesome service!Congrats to Joe! I did talk to him real quick and he verified this.It’s kind of ironic, but I just realized that Tim and Joe were the ones that…   Read more»