Search found 1127 matches

by Andrew_Hibberd
Mon Jul 28, 2014 4:37 pm
Forum: Questions (and answers)
Topic: Custom Servo
Replies: 6
Views: 1422

Re: Custom Servo

I have stripped a 298:1 HP motor on 2 cells. That was stalled but not for very long.
by Andrew_Hibberd
Tue May 27, 2014 3:09 pm
Forum: Antweights
Topic: Epic Robotics
Replies: 154
Views: 29547

Re: Epic Robotics

Scott did the glue fail on the Ali or on the HPDE?
by Andrew_Hibberd
Mon May 12, 2014 4:16 pm
Forum: 2014 AWS Rules Debate
Topic: 2g) Any system involving the use of pressurised gas or liqui
Replies: 6
Views: 1263

2g) Any system involving the use of pressurised gas or liqui

Parts have become light enough to in theory make a CO2 regulated antweight, All the parts that have higher pressure would have to be rated for this.

The weapon could be limited to 100psi to meet the rules or 150psi to meet the maximum rating of the valve. What are peoples thoughts on this?
by Andrew_Hibberd
Mon May 05, 2014 9:11 pm
Forum: Antweights
Topic: A moment to introduce myself.
Replies: 24
Views: 3572

Re: A moment to introduce myself.

Welcome to the forum Dan
by Andrew_Hibberd
Sat Apr 19, 2014 11:35 am
Forum: Events
Topic: AWS44 - Brize Norton, Oxfordshire
Replies: 152
Views: 24084

Re: AWS44 - Brize Norton, Oxfordshire

Not too far for me I will be there with the normal bots.
by Andrew_Hibberd
Fri Apr 18, 2014 9:44 pm
Forum: Off-topic
Topic: CNC mill build thread
Replies: 26
Views: 8606

Re: CNC mill build thread

There is lots of information out there so google will tell you everything you need. I think more people have done X2s than any other machine. What you need: Drive motors, these can be either stepper or servo. Steppers are cheaper but also not as accurate. Motor drivers for the type you buy, need to ...
by Andrew_Hibberd
Thu Apr 17, 2014 7:27 pm
Forum: Off-topic
Topic: CNC mill build thread
Replies: 26
Views: 8606

Re: CNC mill build thread

I have been working on this mill until I have some new ideas for robots. It is now up and running although there is a bit to much backlash on the X and Z axis, Y currently has 0.035mm 8) It took about two weeks to make the parts to mount the ballscrews and bearing blocks (Ebay). I also had to modify...
by Andrew_Hibberd
Mon Mar 24, 2014 9:15 pm
Forum: Antweights
Topic: Two servos together
Replies: 8
Views: 1662

Re: Two servos together

You should be able to swap both motor wires and the 2 outside wires on the pot in one servo to reverse it. This should then move the other direction to the standard one.
by Andrew_Hibberd
Wed Mar 19, 2014 7:16 pm
Forum: Questions (and answers)
Topic: Baby O Code
Replies: 13
Views: 2062

Re: Baby O Code

The baby-Os aren't the best speed controller, I have had no issues running 2S 2HP motors but I have seen 4 failures from 3S 2HP motors - although Anticide has been running this for a few years. I wouldn't want to try running 4HP motors as that would release the magic blue smoke.
by Andrew_Hibberd
Tue Mar 18, 2014 5:29 pm
Forum: Questions (and answers)
Topic: Baby O Code
Replies: 13
Views: 2062

Re: Baby O Code

All the pololu suppliers in the UK and EU are linked on the pololu web site:
http://www.pololu.com/distributors
by Andrew_Hibberd
Wed Mar 12, 2014 9:49 pm
Forum: 2014 AWS Rules Debate
Topic: Rule 3b - Arena Size
Replies: 12
Views: 1923

Re: Rule 3b - Arena Size

The AWS14 arena was made by the behemoth boys out of cnced polycarbonate. The problem was the joins were not perfectly flat and acetate got caught as it does with some arena edges. The arena I have with Scott was going to be made in 4 pieces but with the paint on the surface makes for a smooth join....
by Andrew_Hibberd
Wed Mar 12, 2014 4:57 pm
Forum: Events
Topic: AWS 43- University of Reading- Sat 8th March 2014
Replies: 106
Views: 24047

Re: AWS 43- University of Reading- Sat 8th March 2014

Thanks Harry, I will watch more of it later. For those interested the Fan vs RS2014 is at 1:01:00
by Andrew_Hibberd
Wed Mar 12, 2014 4:55 pm
Forum: 2014 AWS Rules Debate
Topic: Rule 3c - Arena Drop-off
Replies: 50
Views: 7609

Re: Rule 3c - Arena Drop-off

I think most people are of the opinion that larger arenas are better but we may struggle with car sizes. For the drop off rules; I have had a play with the numbers, could I have positive and negative comments about this and we can take a consensus on the way forward. It will allow all current arenas...
by Andrew_Hibberd
Sun Mar 09, 2014 8:17 pm
Forum: Events
Topic: The AWS43 Feedback Thread
Replies: 37
Views: 10527

Re: The AWS43 Feedback Thread

I would like to add a few comments on the last event. As I didn't do as well as expected I have few negative feelings about my performance. However the event ran very smoothly without some of the normal delays due to problematic robots. Many thanks for Will and the UoR SSE for organising. The 4 figh...
by Andrew_Hibberd
Thu Mar 06, 2014 11:48 am
Forum: Events
Topic: AWS 43- University of Reading- Sat 8th March 2014
Replies: 106
Views: 24047

Re: AWS 43- University of Reading- Sat 8th March 2014

Does anyone have a spare 35mm EDF fan I could use on Saturday, mine decided it was better flying across the floor in bits? I have ordered a spare from robotbirds but I don't think I am going to have it by Saturday.

Thanks,