Search found 691 matches

by drew
Mon Sep 11, 2017 10:44 am
Forum: Self Introductions
Topic: Hello from Montana, USA
Replies: 32
Views: 884

Re: Hello from Montana, USA

Steve Shannon wrote:2. I keep hoping for an LDRS in Australia!


There already is one, it's called THUNDA! :lol: :lol: :lol:

So the question is, you coming?!?!?!
by drew
Thu Sep 07, 2017 11:57 am
Forum: Rocketry Control Room
Topic: 3-stage amateur solid to orbit
Replies: 1
Views: 137

3-stage amateur solid to orbit

Sure, it might just be "back of the envelope" calculations but I found this read quite interesting...

https://exoscientist.blogspot.com.au/2017/08/orbital-rockets-are-now-easy-page-2.html
by drew
Wed Aug 23, 2017 3:46 pm
Forum: Thunda Down Under 2019
Topic: Thunda Down Under 2 - Dates Confirmed
Replies: 15
Views: 743

Re: Thunda Down Under 2 - Dates Confirmed

OverTheTop wrote:Should I ask the Easter Bunny for APCP instead of chocolate that year? Or maybe every year for that matter :)


YES
by drew
Wed Aug 23, 2017 3:26 pm
Forum: Thunda Down Under 2019
Topic: Thunda Down Under 2 - Dates Confirmed
Replies: 15
Views: 743

Re: Thunda Down Under 2 - Dates Confirmed

CAN'T WAIT!

I wonder if it's too early to book these dates for annual leave at work...
by drew
Mon Aug 14, 2017 11:19 am
Forum: Electronics
Topic: One GPS Receiver for multiple transmitters
Replies: 16
Views: 851

Re: One GPS Receiver for multiple transmitters

I thought about trying to make a club style system with a single display and 4 or so transmitters . I was aiming to get a compass bearing to each transmitter and the coordinates of the last received signal. That system would have the display stationary so size wasn't originally a concern, how big (...
by drew
Thu Aug 10, 2017 12:22 pm
Forum: How to's
Topic: Different Epoxy for Different purpose??
Replies: 26
Views: 2195

Re: Different Epoxy for Different purpose??

For low and slow it's perfectly fine but I'd steer well clear of it for more aggressive flight profiles. My Orange Revolution went to Mach 1.8 no problems, and 21500'. I guess low and slow are are subjective terms :wink: I was referring to West Systems for airfame construction and T2T. I got really...
by drew
Thu Aug 10, 2017 12:07 pm
Forum: How to's
Topic: Different Epoxy for Different purpose??
Replies: 26
Views: 2195

Re: Different Epoxy for Different purpose??

Definitely. We all have differing skillsets, equipment, and knowledge. Work with what you have to achieve your success. There are a lot of ways to do things and a lot of opinions. Don't take them as gospel, think them through. Agreed 100%. Whatever works best for you is the best way to go (within r...
by drew
Wed Aug 09, 2017 4:14 pm
Forum: How to's
Topic: Different Epoxy for Different purpose??
Replies: 26
Views: 2195

Re: Different Epoxy for Different purpose??

For low and slow it's perfectly fine but I'd steer well clear of it for more aggressive flight profiles. My Orange Revolution went to Mach 1.8 no problems, and 21500'. I guess low and slow are are subjective terms :wink: Commercial FWFG airframe with West tip to tip though, right? I've seen West Sy...
by drew
Wed Aug 09, 2017 3:00 pm
Forum: How to's
Topic: Different Epoxy for Different purpose??
Replies: 26
Views: 2195

Re: Different Epoxy for Different purpose??

Personally I would not use west systems because of the viscosity. It's my understanding that anything you add to the epoxy will weaken it to some degree. To me west is more practical for rolling tubes or doing tip to tip. If starting with a straight epoxy such as west systems the correct additives ...
by drew
Wed Aug 09, 2017 11:01 am
Forum: Electronics
Topic: One GPS Receiver for multiple transmitters
Replies: 16
Views: 851

Re: One GPS Receiver for multiple transmitters

Actually thinking on this a bit more last night I think it's appropriate to mention that this IS possible with off the shelf hardware. IIRC Nic Lottering uses two BRB GPS transmitters for his high altitude attempts. Now I'm venturing into speculation here somewhat but IIRC he configures them to tran...
by drew
Tue Aug 08, 2017 2:14 pm
Forum: Electronics
Topic: One GPS Receiver for multiple transmitters
Replies: 16
Views: 851

Re: One GPS Receiver for multiple transmitters

This thread looks like it could be of use as well.

http://www.rocketryforum.com/showthread.php?141685-25-GPS-Solution
by drew
Tue Aug 08, 2017 2:12 pm
Forum: I could use that
Topic: Liquid rocket motors for sale
Replies: 5
Views: 446

Re: Liquid rocket motors for sale

brb, I've got to go ask the bank for a second mortgage and explain to Jodi that the wedding needs to take a back seat...

Seriously though, I don't have a spare $10k knocking around but I would be willing to chip in for a "group project".
by drew
Tue Aug 08, 2017 10:10 am
Forum: Electronics
Topic: One GPS Receiver for multiple transmitters
Replies: 16
Views: 851

Re: One GPS Receiver for multiple transmitters

You'd need multiple receivers. Also BRB only makes transmitters, not receivers. That's if you want simultaneous tracking.
by drew
Tue Aug 01, 2017 10:22 am
Forum: News & Events
Topic: 29 July Momo Rocket Launch
Replies: 7
Views: 900

Re: 29 July Momo Rocket Launch


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