Team Saint Robot Builds

[craig_colliass]

Over the week end I have been doing some bits on Cherub, all was going well until I tried to charge one of the battery packs, see if you can spot the problem


http://i569.photobucket.com/albums/s...ps7c7c6ee8.jpg

Terry who sold me the packs, was at pains several times to say there was a problem with one of the packs and supplied some spare cells for the repair, A good and honest man.

Some pictures of Cherub as it is now. I just have to do the rear armor upgrade to 5mm thick as 3mm the old one got bent!

http://i569.photobucket.com/albums/s...ps9404ac5c.jpg

http://i569.photobucket.com/albums/s...ps1fe33c83.jpg

[Bacon Wizard]

see if you can spot the problem

LOL (here's more characters)

[craig_colliass]

A bit more on the robots today.
Saint
Sorted out some protectors for the batteries this worked well but the repaired Wotty won't work at the moment, I have tested the Tx and Rx and they are fine, it just wont recognize the signal from the Rx at the moment I'm sure I have done something stupid. Sent a message to Ian he will sort it out.

Cherub
One part of the robot build I really hate is painting! Goes off the brush on to me not a drop on the robot. then what paint dose land on the robot, takes weeks to dry!

Seraph and tron all good. looking forward to Burgess Hill.

[craig_colliass]

Hi I still don't know how to get pictures on this new forum seems so complex to an old man!
Anyway some pictures of the work done on seraph and it is now ready for BH

IMGA5770.JPG

IMGA5771.JPG

IMGA5772.JPG

IMGA5775_zpsac73d52a.jpg

[RogueTwoRobots]

Ooh, never really clocked your drive motor gearboxes before - they'd suit Scar beautifully! Don't suppose you've got any info on them at all? Just had a very quick browse through the old Cherub thread and can't see anything mentioned.

[craig_colliass]

IMGA5782.JPG

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Above are the A123 packs that will now power Cherub they are2* 4P 4S, so together they work out at 26+ volts and a lot of amps! I just don't know why I didn't fit them in the first place, they fit a treat.

Jamie I will find out the manufacturers of the gearboxes, I think they are Spanish.

[daveimi]

Struth how good do they fit! What make and model of motor is that mahoosive thing in the lifter????!!!!

[craig_colliass]

Hi
I have the details for the Drive gearbox and the lift motor.

Jamie
The Gearboxes for the wheel drive are made by a company called, Pujol from Spain.
The model number is LAC40/10/120-11.
Ratio 10:1
Let me know if you find a supplier as I may need spares one day
The motors are Bosch 750W 24V.

Dave
The motor gearbox for the lifter is from a stair lift.
Made by Electric Motor Developments. EMD
The model number is PM63/50-VC24-GB2-75-1BK
RPM 37, the final drive via chain is reduction 2.5:1
This gives the total drive ratio as 187.5:1 reduction, lifting arm length 250mm
This is the same manufacturer for the motors in Seraph, Pilgrim, Spiderbot and the weapon motor in Gabriel.
Worm drive Gearboxes are very bad as far as efficiency is concerned I would think this one is no more than 45% but the advantage is the capacity to handle loads of torque in a small box and most of all for this application they can't be "back or load driven" so no need for a brake.

[craig_colliass]

Just looked up the specification for the EMD gearbox and it is 70%! I am surprised it is that high!!

[craig_colliass]

IMGA5799.JPGIMGA5800.JPGIMGA5801.JPG

Something a little different, I decided walking round the pits at shows is "OLD SCHOOL"
So I am making a Roboteer transporter.
The way it works is basically a sack truck, that is powered by an electric motor the steering is via the rear wheels. you stand on the plate on the front and let the electric motor do the work.

[plargen]

lol already beat you to it

[craig_colliass]

Yep
Looks a little difficult to control,especially in a pit area. the idea of my one is you are standing up on it. and it moves with a serene effortless gliding motion. I might even put lights on it, I will get Ian from Team Shock to advise he is so good with subtle.

[typhoon_driver]

Saw a similar thing in the states but a guy was using two scalextric controllers to control it. Basically had one controlling each side of a trolley. Great idea, if you can fit it in the car/van with everything else

[Bacon Wizard]

I will get Ian from Team Shock to advise he is so good with subtle.

A double-edged compliment if ever I heard one!

Just knock-up a couple for transporting heavies about while you're about it and i'll buy you a pint.

[plargen]

Yep
Looks a little difficult to control,especially in a pit area. the idea of my one is you are standing up on it. and it moves with a serene effortless gliding motion. I might even put lights on it, I will get Ian from Team Shock to advise he is so good with subtle.

it was originally designed as a powered trolley, i even have a tipper top for it

cant wait to see yours going it should easily shift more than 4 people as that mobility scooter axle/motor looks more powerful that the 1 i was using