Team Saint Robot Builds

**craig_colliass** · 12th May 2015, 13:42

http://www.hobbyking.co.uk/hobbyking...uthorized.html

Would this thing do and has anyone used this before?

thanks

**craig_colliass** · 6th June 2015, 09:36

Hi yes I've been following his exploits from the very beginning video on utube with regards to this. he said in the second video it's not how the Disney one works!
He is using an inverted pendulum method I like it, but it isn't how the one used in the film works this is commonly agreed that it uses the "hamster ball" method with omni wheels unfortunately no information about the robot will be released before the film in about 6 months time. So everything is guess work but all the r2 builders agree on this point.
this was discussed on this thread in May I think, interesting project though.

**typhoon_driver** · 27th April 2015, 21:10

You could claim to use the design under "fair use". Essentially as the others have said, no profit and just for funsies then it should be fine.

https://www.copyrightservice.co.uk/c...t/p09_fair_use

With regards to the movement of the machine itself, it appeared from the trailers to be completely computer generated as far as I could see so transporting this to real life may be a bit tricky.

**RogueTwoRobots** · 27th April 2015, 21:15

Originally Posted by typhoon_driver

With regards to the movement of the machine itself, it appeared from the trailers to be completely computer generated as far as I could see so transporting this to real life may be a bit tricky.

Except for when it put in a physical appearance the other week

**craig_colliass** · 7th May 2015, 10:11

Hi Scott

The best part about this project is I have not done anything like this before, and I don't know what will work.
After receiving the wheels I am thinking the same thing, and I might go for the 3 wheel setup. later
The sphere
I am still finding no useful balls for the main body, will keep looking. any possible leads welcome. (500mm diameter split-able and plastic)

With regard to Gabriel
I have turned my attention to the Torque limiters on the drive wheels.

IMG_1082.jpg

Because of the damage done to the transmission by flippers flipping the wheels. I am now making torque limiters in the hub centres.
the Idea is to let the wheels spin on the hub when too much force is back driven into them, the first attempt to do this has been quite successful.

**craig_colliass** · 6th May 2015, 15:36

Some parts have arrived from the suppliers, I don't know how they will act in the ball but first thing is to get the mock-up chassis working on the flat
the electronic part is the mixer this is connected between the motor speed controllers and the Rx

IMG_1080.jpg

Still waiting on the small motor units and some speed controllers,

Dave your right I can use theDX6 mixer on the Tx, but I tend to default to the V-tail mixer units just my style of doing things.

**craig_colliass** · 17th May 2015, 16:39

My first attempt at moulding plastics was a complete success, It is defiantly moulded

IMG_1096[1].jpg

**craig_colliass** · 15th June 2015, 10:02

I cant see a thread to post about the Guildford event that happened over the weekend, so I'm posting here.

As always a big thanks to John and ALL the team at Robot Wars. the shows seemed to go very well and the audience seemed to enjoy the shows yet again. Had some great fights and looking forward to seeing the videos soon. Great to see some old friends, and so good Zack could join me for this event. there was a good selection of robots for the shows and finding places in fights was quite hard. only one fight per heavy per show. There were a lot of robots there!
Looking forward to Barnsley.

Robots taken were Saint and Gabriel also Seraph and E-Knock, with Kettle and Mc Apple.
Saint worked well and even stayed in the arena well almost (see video when it's out)
Seraph had some intermittent fault that I just could not be bothered to sort out!
E Knock worked well until one gearbox seized possibly blowing a speed controller. More on that one as news breaks!
Kettle bot worked better than it has for ages possibly better than ever, this due to a change in the transmitter used from the spec 5e to the spec 6I.
Mc Apple was good fun and people liked it, not sure whether to keep it or scrap it will decide later.

But for us the star performer had to be Gabriel it is now going like I wanted it too. I would be interested to know how the arena floor held up to the sledge hammer!
with the new speed controllers and motors it has all the power I need. I have a feeling the gearboxes may need some modification latter down the road as the load on them must be horrific. the torque limiters built into the wheels seemed to work as we didn't notice any slipping when driving but the aluminium washers were polished so something moved when it had to.

**MikeNCR** · 27th April 2015, 23:25

Given that the real droid was made by Orbotix/Sphero, I'd guess that it's essentially a massive Sphero with a couple magnets on an arm that the head follows. (with a few rollers built into the head to allow it to move smoothly)

A light (essentially empty) head piece would explain why it is able to move as quickly as it does and the rest of the setup makes sense given the company that built it.