Mute

[Gasbot]

Re: Mute

Get 5 packs of 8s A123's, join them together in parallel, then strip the insulation off the +ve and -ve wires and touch them together. Poof - molten copper.

By my reconing you'll be able to evapourate a couple of inches of wire like that - although I wouldn't recommend doing anything like I just said - atleast not on purpose anyway.

The LEMs were pulling a good chunck of juice as I think the wotty is set at 150 amps per channel, but I've no idea how much it was acually pulling. All I know is that it was too much for 6awg pvc insulated wire but not enough to damage 8awg silicone. From what I've read off the net its all down to the insulation, pvc insulation ranges from 65°C to 105°C but silicone insulation is good for around 200°C. Our 8awg silicone loom was hot after our first fight so I'd guess that was when the damage was done and in the next fight the 6 awg wire gave up on us.

[PJ-27]

Re: Mute

Has anybody any experience of using Tri-rated wiring? I think it came about in the dawn of solar panels when there was a need for high current but also very thin cable.

[team_mute]

Re: Mute

Thought we would have a go at building a new bot, will put up a new build thread once we've got more sorted but here's the ram, valves and wheels sorted

[widow_twanky]

Re: Mute

Has anybody any experience of using Tri-rated wiring? I think it came about in the dawn of solar panels when there was a need for high current but also very thin cable.

Used for many many years in electrical switchgear. Normally used in factory made stuff but I have used it occassionally to get over a problem of space and bending radius etc. It is not a new technology and there are many many tables available to show current ratings of the cable.

[Max]

Re: Mute

Those end caps look quite thin? Are they just 15mm Aluminium?

[team_mute]

Re: Mute

Those end caps look quite thin? Are they just 15mm Aluminium?

Nah, the end caps would have been 316 St/stl but we had some SMO 254 off cuts lying around so they are made from SMO 254 which is stronger than 316 St/stl, ram comes in at 3.5kg only the main body is aluminium

[mattsdragons]

Re: Mute

Rear hinged flipper?

[team_mute]

Re: Mute

Rear hinged flipper?

Nah, we've got a flipper so going for a full pressure hammer bot

[terry]

Re: Mute

Thor is only 10bar so no need for fp.

[team_mute]

Re: Mute

We've only ever worked with full pressure, lets us use smaller rams and our homemade valves, fingers crossed it wont just destroy its self on the 1st fire.

ill get some more pics once I'm back in work, ram and hammer are all mounted into the chasis, just waiting for rack and gears to turn up and we can have a 1st fire

[team_mute]

Re: Mute

Couple new pics of the new bot on Bigconkers.com

http://bigconkers.com/projects/robot...mute-new-robot

[PJ-27]

Re: Mute

Will the ram and hammer arm lie parallel/touching to each other when resting?
That's a serious mechanical disadvantage! If that ram has the power to overcome that it's going to come round with some serious speed!

[team_mute]

Re: Mute

Yes it will, it should have the power, unless we've missed something, ram is 2½ i/d and axe arm is 520mm from the pivot point, gear is 120mm dia ish

Mute's flippers are based on speed of firing so we've hopefully done the same with this one, it should be fast

[team_mute]

Re: Mute

New bot is moving along now, think we are going to call it 'Bonk'

More info @ http://bigconkers.com/projects/robot...ght-hammer-bot

[shakesc]

Re: Mute

looks a nice clean build, going to enjoy seeing this in action