Search found 100 matches

by camacd
Mon Apr 22, 2019 12:08 pm
Forum: Thunda Down Under 2019
Topic: A big thanks to everybody.
Replies: 2
Views: 343

A big thanks to everybody.

I just want to say a big thank you to everybody who made the event so fantastic. It had a different vibe from last time - the Uni competition brought a new flavour and feel the the event. Having the food vans and coffeee (yeahhh coffeee!!!!!) was good too. My son and I lost our big rocket, made some...
by camacd
Mon Apr 22, 2019 11:59 am
Forum: Thunda Down Under 2019
Topic: Lost rockets page
Replies: 2
Views: 261

Re: Lost rockets page

Hi all,

I completely lost sight of My Mohammed Ali. 2 metres long, 75mm diameter purple and yellow. Probably out to the east of the range somewhere.
And I don't think it deployed so probably a mangled mess. But it might have some salvage value.
Mohammed Ali a.jpg
by camacd
Sun Apr 14, 2019 11:03 am
Forum: Thunda Down Under 2019
Topic: My booking didn't go through
Replies: 1
Views: 171

My booking didn't go through

Hi guys, I made a booking about 3 weeks ago but it didn't go through. I didn't get a confirmation nor did the money come out of my account. I just tried to book again but it wont let me through the process - it asks for names etc but I can't figure out how to put the info in. Also the food and banqu...
by camacd
Fri Mar 29, 2019 4:24 pm
Forum: Queensland Rocketry Society
Topic: 17th March 2019 Launch.
Replies: 3
Views: 704

Re: 17th March 2019 Launch.

Paddy Launch.jpg
Paddy O'Rourke on his doomed final flight
by camacd
Sat Feb 09, 2019 9:37 pm
Forum: Queensland Rocketry Society
Topic: Need a Cesaroni 38mm closure.
Replies: 2
Views: 153

Re: Need a Cesaroni 38mm closure.

AH hah, that explains it. Thanks
by camacd
Sat Feb 09, 2019 3:17 pm
Forum: Queensland Rocketry Society
Topic: Need a Cesaroni 38mm closure.
Replies: 2
Views: 153

Need a Cesaroni 38mm closure.

Hi Guys,

I don;t have a closure for my 38mm case. I seem to recall these are hard to get but can't recall the story. Anyway, if anybody has one please let me know if I could borrow for a flight or 2 tomorrow.

Thanks
by camacd
Mon Nov 12, 2018 7:35 am
Forum: Queensland Rocketry Society
Topic: 11th November 2018 Launch
Replies: 12
Views: 9133

Re: 11th November 2018 Launch

Thanks everyone for a great day. I'm learning all the time...

Cam
by camacd
Sun Nov 11, 2018 3:09 pm
Forum: Higher, Faster, Further
Topic: Slower than the sim
Replies: 4
Views: 1262

Slower than the sim

Hi Guys. Today I did my L2 cert flight using a J400 Ciseroni. The flight went pretty well, and the altitude was very close to what I had expected in the Openrocket simulation - within 2%. However the velocity was well down- 225m/s against a predicted Mach 1 - 330m/s approx. Why would this be - if th...
by camacd
Tue Oct 02, 2018 5:15 pm
Forum: Queensland Rocketry Society
Topic: 14th October 2018 Launch “October Skies”
Replies: 19
Views: 15019

Re: 14th October 2018 Launch “October Skies”

It's been a while and my high velocity project has been on the back burner for a while, but have given her the once over, and as long as I can get a battery for the BRB and get it working I should be ready to kick butt in the drag race. I'll be scraping the ceiling!
by camacd
Tue May 30, 2017 7:46 pm
Forum: Higher, Faster, Further
Topic: Phenolic tube mechanical properties
Replies: 5
Views: 2068

Phenolic tube mechanical properties

I am looking for the mechanical properties of phenolic tube. In particular:
Density
tensile strength
compressive strength

Thanks
by camacd
Fri May 26, 2017 3:21 pm
Forum: Higher, Faster, Further
Topic: Fin Flutter Frequency
Replies: 3
Views: 1216

Fin Flutter Frequency

Hi All I'm considering a design for a high speed 29mm MD rocket, and I'm curious about the science of fin flutter. Can someone recommend a source of info? What velocities is it likely to occur? I'd assume transonic velocities would be worst. I can do a modal analysis of the design using FEM, and was...
by camacd
Sun May 21, 2017 5:04 pm
Forum: Queensland Rocketry Society
Topic: 21st May 2017 Launch
Replies: 6
Views: 1601

Re: 21st May 2017 Launch

Thanks all for a great day. My first time back for about 9 months, and Im so glad I got there. After the fog in the morning, I was a bit impatient to get my rocket onto the launchpad, but it was worth the wait. I chose not to take any video because I just wanted to enjoy the moment, but if anyone go...
by camacd
Mon Sep 12, 2016 1:58 pm
Forum: Queensland Rocketry Society
Topic: 11th Sept 2016 launch
Replies: 11
Views: 2450

Re: 11th Sept 2016 launch

Sorry I missed the day - looks like great conditions.

Sometimes life just gets too complicated! Hopefully back for October and looking forward to Westmar.

Cam
by camacd
Thu Jul 28, 2016 4:20 pm
Forum: Scratch Built
Topic: L2 build
Replies: 70
Views: 10036

Re: L2 build

Thanks Matt, I'll take that on board. One reason I was packing so tight was that I didn't really have enough room. I'm going to extend the airframe a bit so there will be more room, especially when I go to a 6 grain case! Hopefully that will free up the space and I can be more boxers than briefs, if...
by camacd
Mon Jul 25, 2016 7:55 am
Forum: Scratch Built
Topic: L2 build
Replies: 70
Views: 10036

Re: L2 build

Hi all, The night before the last launch I filmed myself assembling Mohammed Ali, ready for the maiden flight. Its pretty amateur, and a bit long at 18 minutes, but I did it because a number of my non rocketeering friends are showing lots of interest. So at the risk of demonstrating how shoddy my wo...

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