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by OverTheTop
Sun Nov 25, 2018 10:39 am
Forum: How's the Weather..?
Topic: Strange Goings On
Replies: 8
Views: 2489

Re: Strange Goings On

So, after crashing with "bandwidth exceeded" and other strange messages over the past few days, the forum seems to be back to something more believable. 25 online currently.

It is still interesting to see some "guests" replying to threads.
by OverTheTop
Wed Nov 14, 2018 8:45 am
Forum: Scratch Built
Topic: Joe Turner's 38mm Scratch-Build
Replies: 96
Views: 30923

Re: Joe Turner's 38mm Scratch-Build

Nice work Joe! Love the double-sided thing you have happening with the modules and veroboard. I see you have held the radio modem in place with hotmelt. It could suffer from a shear failure under vibration. I would suggest just a wrap of electrical tape or a cable tie to pin it down for some insuran...
by OverTheTop
Tue Nov 13, 2018 7:57 pm
Forum: How's the Weather..?
Topic: Strange Goings On
Replies: 8
Views: 2489

Re: Strange Goings On

I had noticed something similar, now that you mention it. My last thread in "electronics" is up to about 5k views in a very short period of time. I have also checked and currently there are 75 guests on line. That number sounds anomalous.

Any ideas kopius?
by OverTheTop
Tue Nov 13, 2018 12:21 pm
Forum: News & Events
Topic: Rocket Lab - “It’s Business Time”
Replies: 2
Views: 1321

Re: Rocket Lab - “It’s Business Time”

Again, it is so nice to see their success 8) .
by OverTheTop
Thu Nov 08, 2018 1:37 pm
Forum: Scratch Built
Topic: Joe Turner's 38mm Scratch-Build
Replies: 96
Views: 30923

Re: Joe Turner's 38mm Scratch-Build

Excellent work Joe! How do you feel about building a tower that supports 4 fin rockets in 54mm and 75mm airframe sizes? :D

I can lend you an angle-grinder to lop the extraneous fin off :D
by OverTheTop
Mon Nov 05, 2018 11:40 am
Forum: Electronics
Topic: Four-Camera HD Video Mount for 4" Rocket
Replies: 3
Views: 13339

Mount Finished

Mount Finished Managed to get some sanding done on the ID to get it to fit the rocket. Not a trivial job on the ABS. Again my aiming for too little clearance has bitten me. I guess I will get out of the habit one day. A quick spray of Plastic Primer, followed by a nice gloss white should keep the h...
by OverTheTop
Fri Nov 02, 2018 5:22 pm
Forum: Electronics
Topic: Four-Camera HD Video Mount for 4" Rocket
Replies: 3
Views: 13339

Four-Camera HD Video Mount for 4" Rocket

Four-Camera HD Video Mount for 4" Rocket I want a camera assembly that I can throw onto a rocket when I need some video for whatever reason. My main application will be for showing the operation of the fins on the Vertical Trajectory System during flight for diagnostic purposes. My last rushed...
by OverTheTop
Mon Oct 29, 2018 4:35 pm
Forum: Support & Recovery & Misc.
Topic: Launch Power from Lithium Ion Jumpstarter
Replies: 2
Views: 17757

Re: Launch Power from Lithium Ion Jumpstarter

I think I remember a car cranking is around 200A or something. I remember my diesel Nissan Patrol had an extra 90A just for the glowplugs. If it can crank a car, a temporary low-resistance from an igniter won't even get it working up a sweat. The overall amount of energy delivered to the eMatch is i...
by OverTheTop
Tue Oct 23, 2018 3:54 pm
Forum: Thunda Down Under 2019
Topic: Thunda Down Under
Replies: 1
Views: 19084

Re: Thunda Down Under

I hate sitting sideways on toilets...
by OverTheTop
Mon Oct 22, 2018 11:32 am
Forum: Mid/High Powered Rocketry
Topic: L1/ L2 lrocket design
Replies: 4
Views: 2506

Re: L1/ L2 lrocket design

Given it is a L1 rocket I would have thought it would be over the sort of mass where we would normally use streamers. I would think a small x-form chute or something might work ok, before you deploy the main. I am assuming you are going dual-deploy? Something I do on a regular basis is just blowing ...
by OverTheTop
Sun Oct 21, 2018 2:28 pm
Forum: Mid/High Powered Rocketry
Topic: Binder Design Velociraptor
Replies: 84
Views: 28681

Re: Binder Design Velociraptor

I suppose I should mention that it flew with the Vertical Trajectory System a little while back!
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Details on that thread, here: viewtopic.php?f=56&t=5324&start=45
by OverTheTop
Sun Oct 21, 2018 2:24 pm
Forum: Scratch Built
Topic: Joe Turner's 38mm Scratch-Build
Replies: 96
Views: 30923

Re: Joe Turner's 38mm Scratch-Build

4" diameter, 54mm motor mount, about 7' tall. Goes good on L motors :D Was originally my L2 bird but has been changed to fiberglass tube. https://forum.ausrocketry.com/viewtopic.php?f=6&t=1782&start=60 With your recovery, just think about each individual function and how it works. Chute...
by OverTheTop
Sun Oct 21, 2018 11:25 am
Forum: Scratch Built
Topic: Joe Turner's 38mm Scratch-Build
Replies: 96
Views: 30923

Re: Joe Turner's 38mm Scratch-Build

Sounds like a good idea :)

It is similar to what I do in the Velociraptor. I have a nomex blanket between the charge canisters and the deployment bag I have the main in. That is my normal configuration for main chute.
by OverTheTop
Fri Oct 19, 2018 2:53 pm
Forum: I could use that
Topic: Right angle push button switch relay?
Replies: 5
Views: 20955

Re: Right angle push button switch relay?

3D printed bell-crank mechanism that attaches to the camera housing or airframe?

You could also make it out of G10 or wood or whatever...

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