you can replace the track with wire once you put the new FET on.
It's fiddly, but it can definitely be saved
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The Engine Whisperer - fixer of things

i have WAY 2 much on my plate for fiderly atm.


I must be the worlds worced electronics uni student lol.
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Remember to trust me, I am an Engineer.

http://www.youtube.com/watch?v=rp8hvyjZWHs

Have you seen Russell’s IBC. Patched up after multiple 36Volt blow-ups!
Don’t count an IBC out unless it is totally shredded.


http://cgi.ebay.com.au/2X-50A-ESC-Speed-Controller-Water-resistant-for-RC-boat_W0QQitemZ180342816021QQcmdZViewItemQQptZRadio_Control_Vehicles?hash=item180342816021&_trksid=p3286.m63.l1177


Cheap way to get a bot moving, Might try it in our new VD prototype.



Also found nothing wrong with the IBC I took out of Rat before IF. Turned out to be bad drill motor, looks like flying short. Hits certain revs and arcs violently.
Will pull it apart later.


Remember as Philliper said. “He who never made a mistake never made anything”
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Satisfaction is proportional to effort and results.

Thanks Gary.s
Good news about RAT.
Ive been looking at thoes ESC's from minimower it looks like they are half decent.
Do u have any idea of minimowers true current draw on the weapon?

Im getting Tims scorpion XXL off him to replace Kirstens Sabertooth so i wont owe her anything.

Ill look at the IBC fully and its diagrams when i get a break.
Does anyone have anything newer then the one posted on the homepage? think thats 0.1?
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Remember to trust me, I am an Engineer.

http://www.youtube.com/watch?v=rp8hvyjZWHs

The only differences between the early and later IBC's are mechanical.

In the later versions the switchmode regulator is surface mount instead of through-hole. the coils are 4 pole mount, a few more discrete components are surface mount, and the circuit board has a ground-plane to reduce noise.

Other than those points, they are electrically identical and hence the circuit diagram in the v0.1 manual is still current for the late models.
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Great minds discuss ideas. Average minds discuss events. Small minds discuss people

No I don’t have any details on MiniMower.
Wont to do a bit of fine-tuning, will get to him before builders meet and sort a few things out.
Will bring him to builders meet for testing.

If the pair of blue ESC’s I have on order come through early enough I will pop them in Overdrive for testing at builders meet.
Just 12 volt drills on 12 volt.
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Satisfaction is proportional to effort and results.

quote:

---

Originally posted by Rotwang:


http://cgi.ebay.com.au/2X-50A-ESC-Speed-Controller-Water-resistant-for-RC-boat_W0QQitemZ180342816021QQcmdZViewItemQQptZRadio_Control_Vehicles?hash=item180342816021&_trksid=p3286.m63.l1177


Cheap way to get a bot moving, Might try it in our new VD prototype.”

---

pretty sure a few UK people use those. i have a few pictures with them installed in robots anyway. they dont look to bad if htere kept on 12v. delays probably too expensive a feature in something that cheap anyway

Will see how they go i guess when gary gets some.

If there any good that could mean using a set on 2 cell a123 running 7.2v rc car motors for drive.
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Tim Team Reaper.

Didn’t notice any delay but I was terribly rushed with MiniMower at IF.
Took him there in bits, left parts at home and got him running with little blue controller in pits at IF.

Took wrong timing sprocket so belt to drum slipping badly all event so no load on weapon motor so IF didn’t prove anything as far as Blue controller.

I first noticed them at Robot Marketplace, then found them on ebay then noticed them on FRA.
Had to be better than 2 changeover relays for low voltage drum so yes we will see.
There so small and I hope shock proof, current handling? Time will tell.
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Satisfaction is proportional to effort and results.

The delay is normally from forward to reverse so if your using it as a weapon controller you might not notice it.

Interesting too see if they can be used for drives it would mean another cheaper option for begginners to enter the sport.
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Tim Team Reaper.

http://www.fightingrobots.co.uk/forum/viewtopic.php?f=111&t=2518


Yep, one of the reasons for testing them in overdrive.

He was built to demonstrate beginner bot building.

The PRC was meant to power him but that’s still in development.
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Satisfaction is proportional to effort and results.

interesting people are running them at even higher voltages then advertised. might buy one to try out for the srimech on 6 cells they look good though in that there a solid casing and you can just throw them anywhere in the robot

That’s a good Idea Glen. You test how many volts they can take.

Might last longer if BEC disconnected? As in only run its internal logic and power the RX from something else.
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Satisfaction is proportional to effort and results.

I don't know how well they would work as drive controllers though. The specs do say 50A forward and 20A reverse. So unless the specs are completely wrong (which they could be...12V max stated yet running on 18V) you would have a robot constantly veering off to the side. But if its just cheap stuff that works, i dont think having to constantly straighten would be an issue.
But then what do I know