Quick question: is anyone aware of an online calculator to determine appropriate fin thickness / fin flutter velocity? I've found FinSim but based on the instructions you'd need a PhD in Physics to understand it and it only seems to be available to US students: http://www.aerorocket.com/finsim.html ...

Blake is unabe to source you one?

I do have an untouched 98 mm fibreglass nosecone lying around at home I was planning to use for a future project...

https://ausrocketry.com.au/nosecones/fibreglass-carbon-fibre-nosecones/98mm-g12-fw-fibreglass-5-1-vk-nosecone.html

Any word on the success of joeman's flight??

I’ve, was there any video of this? I believe Blake got some slow-mo footage? I managed to film a nano-seconds worth of liftoff (screen-grab in my first post), I’ll upload that this evening and link here, cause it sounds cool 8) I have video of this flight in my December launch compilation on YouTub...

So following some superficial damage to the Quake (photo above) a few hours of careful work have seen the repairs completed. To the untrained eye I doubt that any differences could be discerned... IMG20181216175938.jpg Looking forward to flying it again in January! How much nose weight did you have...

So following some superficial damage to the Quake (photo above) a few hours of careful work have seen the repairs completed.

To the untrained eye I doubt that any differences could be discerned...



Looking forward to flying it again in January!

Great day for flying rockets with a dust devil sweeping through mid morning that took flight cards to a higher altitude than some of the rockets! Total flight count for the day was 47 made up of: 4 x A, 3 x B, 16 x C, 4 x D, 3 x F, 7 x G, 5 x H, 2 x I, 3 x J Highlights include: Troy's Task Force X f...

I left a couple of 38mm 3G motor cases and spacers on the field after the last launch (motor retention melted)... If you find some let me know...

Cluster launch video....

Great article and lots of photos in Jimboomba Times about yesterday's launch....

https://www.jimboombatimes.com.au/story/5725850/rocket-day-blast-offs-at-cedar-grove/?cs=3389

We have received an invitation to a community tree planting at Cedar Grove. Details below, feel free to contact me for more details... Good afternoon Matt and Blake, On behalf of Logan City Council, please find attached an invitation to a community tree planting day to be held at Cedar Grove on Satu...