Search found 2605 matches

by OverTheTop
Sat Aug 18, 2018 8:46 pm
Forum: Mid/High Powered Rocketry
Topic: Nike Apache Half-Scale Project
Replies: 87
Views: 13462

Progress

Progress

Altimeters wired up

DSC07154resize.JPG


DSC07157resize.JPG


DSC07158resize.JPG


Still yet to connect up the sustainer ignition circuit and the battery monitoring connector to the aft end.
by OverTheTop
Sat Aug 18, 2018 3:01 pm
Forum: News & Events
Topic: Curt von Delius hits 200k' with his Phoenix 4 2 stage stack
Replies: 29
Views: 1295

Re: Curt von Delius hits 200k' with his Phoenix 4 2 stage stack

Don't get me started on a conversation about significant figures :roll:

Six significant figures based on a simulation? I don't think so. As Drew said, round it down to three and it would probably be acceptable.
by OverTheTop
Fri Aug 17, 2018 7:23 am
Forum: Melbourne Amateur Rocket Society Inc.
Topic: Tripoli (Victoria) August 2018 Launch
Replies: 6
Views: 522

Launch Cancelled

Cancelled

The weather has not proven favourable for us this month. Conditions are unsuitable again for this coming weekend so we are going to cancel. :( :( :(

The next launch is the September launch, scheduled for 2nd September 2018.
by OverTheTop
Sun Aug 12, 2018 2:49 pm
Forum: Mid/High Powered Rocketry
Topic: Nike Apache Half-Scale Project
Replies: 87
Views: 13462

Sustainer Main Altimeter Bay

My next challenge is to turn this
DSC07152res.JPG


into this
Sch.png
by OverTheTop
Sun Aug 12, 2018 10:42 am
Forum: Higher, Faster, Further
Topic: Vertical Trajectory System (with some 3D printed parts)
Replies: 66
Views: 7404

Re: Vertical Trajectory System (with some 3D printed parts)

Still On Hold
:(

All buttoned up and ready to go. Just need the weather to cooperate. Launched cancelled for a second time. Trying again for 19th August.

OnWallOnHold.jpg
by OverTheTop
Fri Aug 10, 2018 8:53 pm
Forum: Thunda Down Under 2019
Topic: Thunda Down Under tickets available
Replies: 6
Views: 765

Re: Thunda Down Under tickets available

Looking forward to this one! Booked.
by OverTheTop
Thu Aug 09, 2018 8:18 pm
Forum: Melbourne Amateur Rocket Society Inc.
Topic: Tripoli (Victoria) August 2018 Launch
Replies: 6
Views: 522

Re: Tripoli (Victoria) August 2018 Launch

HOLD, HOLD, HOLD AGAIN Some of our committee have just visited Serpentine and the ground is already quite wet from rains, and further rain and storms forecast for Saturday will make it a mudpit. Strong winds are also forecast for Sunday which would make flights difficult. Keeping in mind that oppor...
by OverTheTop
Thu Aug 09, 2018 8:18 am
Forum: Melbourne Amateur Rocket Society Inc.
Topic: Tripoli (Victoria) August 2018 Launch
Replies: 6
Views: 522

Re: Tripoli (Victoria) August 2018 Launch

Waiting...

We are still evaluating the weather for the rescheduled launch on 12th August 2018. I will update here when I have information. Ground condition of the access tracks is a big concern due to forecast rain and storm on Saturday 11th :( .
by OverTheTop
Fri Aug 03, 2018 6:25 pm
Forum: Mid/High Powered Rocketry
Topic: Half-Scale Apache, Flying Solo
Replies: 4
Views: 690

Re: Half-Scale Apache, Flying Solo

I have been a bit slack getting this post happening. I just got busy and missed that I hadn't posted it :( The Apache flew again at MARS Attacks in early August 2017. Entirely nominal. 13k' on an M1770. Mach 1.1. Landed 1.9km downrange. Apache1aresize.JPG Apache3Resize3.jpg Apache2resize.jpg Here is...
by OverTheTop
Fri Aug 03, 2018 12:17 pm
Forum: Higher, Faster, Further
Topic: Vertical Trajectory System (with some 3D printed parts)
Replies: 66
Views: 7404

Re: Vertical Trajectory System (with some 3D printed parts)

Fins should be fine. NC assembly lands after the main airframe so velocity under the chute should be less than the average sink rate.

Fins are strong. They will be fine. Servo flange, maybe...
by OverTheTop
Thu Aug 02, 2018 6:38 pm
Forum: Higher, Faster, Further
Topic: Vertical Trajectory System (with some 3D printed parts)
Replies: 66
Views: 7404

Flight Fins Finished

Flight Fins Finished Since the strength testing showed the strongest parts were printed on the SLA printer in Pro Grey, a complete set was printed. Two of the fins have slightly more travel than the other pair. I didn’t want the roll control fins to not have enough authority, so I gave them an extr...
by OverTheTop
Thu Aug 02, 2018 11:50 am
Forum: Melbourne Amateur Rocket Society Inc.
Topic: Tripoli (Victoria) August 2018 Launch
Replies: 6
Views: 522

Date Changed: Tripoli (Victoria) August 2018 Launch

Hold, Hold, Hold.

Unfortunately the weather for 5th of August is getting in our way of flying :( .

The launch is currently moved to the 12th August, with confirmation for go/nogo to be posted here about this time next week.
by OverTheTop
Mon Jul 30, 2018 6:35 pm
Forum: Higher, Faster, Further
Topic: Vertical Trajectory System (with some 3D printed parts)
Replies: 66
Views: 7404

Final Preparations for Flight

Final Preparations for Flight Getting ready to light a fire under this next weekend. Exciting times ahead. I have done final assembly and testing on the VTS assembly and it is behaving as I expect. Velociraptor R has been prepped and is ready for final stacking and inserting the K1103X motor. Batte...
by OverTheTop
Mon Jul 30, 2018 4:29 pm
Forum: Melbourne Amateur Rocket Society Inc.
Topic: Tripoli (Victoria) Club Night, Thursday 19th July 2018
Replies: 4
Views: 259

Re: Tripoli (Victoria) Club Night, Thursday 19th July 2018

How did the night go ? Very well. Thanks for asking. :) After a suitable number of parmigianas and other food and beverages consumed, Anthony gave a talk as to where Arcane Aerospace are currently with their projects. Their team is still setting up a factory for getting hardware built and tested. T...
by OverTheTop
Mon Jul 23, 2018 7:18 am
Forum: Canberra Rocketry Group
Topic: CRGs' June 2018 HPR Launch at Ardlethan
Replies: 7
Views: 659

Re: CRGs' June 2018 HPR Launch at Ardlethan

Would you have considered using simulations, as well as actual flight data, to determine the operating radius for your cylinder. We have access to a few software tools that provide drift analysis with multi-level winds. It's not as good as real data, but you achieve a statistical analysis over diff...

Go to advanced search