That's a fit gearbox. Did you make it yourself?
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That's a fit gearbox. Did you make it yourself?
Hi Dave
Re the Gearboxes for the new Saint Mike Lambert made them for me.
As you can see the Kettlebot is smiling again I think one of the original motors was faulty to start with, but now all is well :mrgreen:
http://i569.photobucket.com/albums/s...ps2bcb60ab.jpg
http://i569.photobucket.com/albums/s...psf971d8b7.jpg
As you can see some progress on Cherub, The lift motor is in place and working well the batteries fit and the drive seems to be ok to still loads to do but it is getting closer to completion. :)
http://i569.photobucket.com/albums/s...psfb6e9343.jpg
http://i569.photobucket.com/albums/s...ps925f8f19.jpg
A thing of beauty is a joy forever :D
I found this old picture of Saint I thought I would post it :proud:
http://i569.photobucket.com/albums/s...psfcf9e6d6.jpg
I don't know if I have down loaded the picture ok on this new site it seems complicated. anyway I have done some work on Seraph to try to improve reliability there is a new link position fitted.
[url]http://i569.photobucket.com/albums/ss139/Colliass/IMGA5765_zpse293cae8.jpg[/http://www.fightingrobots.co.uk/attachment.php?attachmentid=3611&d=1365250961&thum b=1&stc=1url]
A good week end for robot building and repair,
Seraph
had a bit of an overhaul new brackets and tighten up the drive as well as a new link position.
Tron
had a drive fail in the last fight I didn't know till the end of the fight! it turned out to be the 2 small screws that secure the motor to the gearbox back plate, striped down refitted all good, has anyone had this problem with the drill motors? also I tried one of those RC car type TX's worked really well I think I will be keeping that.
Cherub
loads done on this one, it's so close to running again re-did the wiring for the 3rd or 4th time, I keep changing batteries or motors or speed controller positions!!
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
LOL (here's more characters)Quote:
Originally Posted by 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.
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
Attachment 3656
Attachment 3657
Attachment 3658
Attachment 3654
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.
Attachment 3671
Attachment 3672
Attachment 3673
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.
Struth how good do they fit! What make and model of motor is that mahoosive thing in the lifter????!!!!
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:uhoh:
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.:eek:
Just looked up the specification for the EMD gearbox and it is 70%! I am surprised it is that high!!
Attachment 3711Attachment 3712Attachment 3713
Something a little different, I decided walking round the pits at shows is "OLD SCHOOL":uhoh:
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.:proud:
lol already beat you to it :lol:
http://www.youtube.com/watch?v=6PWzzinQfi0
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.:D
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
A double-edged compliment if ever I heard one!Quote:
Originally Posted by craig_colliass
Just knock-up a couple for transporting heavies about while you're about it and i'll buy you a pint.
it was originally designed as a powered trolley, i even have a tipper top for itQuote:
Originally Posted by craig_colliass
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
Attachment 3723
A little bit more done, with the rear wheels on you get a bit better idea of how it will look.:eek:
Is it not going to tip forward when you stand on it, or will there be castors there/ballast at the back?
Old Saint Sword
Attachment 3730
The new Saint Sword
Attachment 3731
Attachment 3732
1200mm long 12mm thick 75mm broad titanium :proud:
May chuck it in the van this weekend.
blimey! how much did that set you back, if you don't mind?
Now that's just plain cool. 8)
If there's a flame jet, any chance of you coating it in paraffin?
if that the piece of ti i gave to ed ages ago for it?
Haven't looked on this thread for a while!
Yes Dave this is the bit of Ti. I got it back off Ed a few weeks ago and Got it machined up quickly. I think the guy who did the machining had some problems with it, but the end result is impressive, the handle is being made now so it may be ready for it's test at Guildford.
I am not sure if I will be able to attend all the day's fun, as It is my other half's birthday party the day before!!
Did a bit on Cherub this afternoon I hadn't looked at the robots since the last event Cherub did OK I had to replace a few bolts that dropped off. I think I must have forgotten to tighten them up! The batteries worked very well and Zack was impressed on how well it drove rare praise indeed.:mrgreen:
Not surprised, it was flame cut grade 10 of the end of a massive solid slab of ti, the width of that blade was the thickness of the original block that was a few meters across! ... Was basically a piece of swarf compared to what it came from :) Looking forward to videos!
http://www.youtube.com/watch?v=AiUOIV4N1jI
I was thinking about this fight and wondered "What dose Saint have to do to win?" In this one we were judged 3rd.
I must now state I am not looking for sympathy or have some blood lust for the judges. So please no criticism of anyone!
I just want to know what we did wrong so we can work on improving our record regarding competition wins. any ideas welcome.
Or is it Saint is just a totally rubbish robot.:proud:
Craig....the masses would have been watching the boring flippers. I watched your robot...it was actually quite flawless. It got a shed loads of hits...it it were Thor then Thor would have won. If I were watching your robot and judged the fight on hit counts you would have won. I guess your robot is good enough for the win....just not for the show and the crowds. After all it is a show and not a competition.
No flames on the sword, that's why you weren't first, Craig. Kidding, I've no idea. Asides a flaming sword.
I am not trying to I insult your robot, I think its great because it is so different and not just a flipper. But in that fight from my perspective it didn't really achieve much, it does little damage to the other robots and just seemed go chasing around the flipping robots which were fighting each other whereas saint just ran into them and bounced off. But saying that I was just glancing at the video so may have missed something.
I thought it was more interesting/exciting with the big hammer thingy on it which sounded like it did real damage even though I doubt it did much to hardox. As entertaining as saint is, I think it will struggle to win a fight as it cannot really defeat another robot without pushing it into the pit- it's not going to break it and can't flip it out- perhaps that is just the problem with our scoring system. Like I said just my thoughts and I can't really remember who pitted behemoth so if that was saint that changes things a bit.
Listening to the sermon this evening the LORD reminded me of a lesson I learnt many years ago and evidently forgot.:eek:
Success and failure, winning and losing are merely different sides of the same lie!
The emphasis is on result and not on character, what people think rather on what is true and good.
So I have decided my original question is the problem,
It is not why didn’t it win?
But how did it perform?
Looking at the video again, Saint was always going forward and engaging the other robots, I counted 18 good hits, it was well driven (by Zack) didn’t stop trying all through the fight, the other robots didn’t flip it much, as has been said to me before
“Craig flipping Saint is just a waist of gas; it always lands back on its wheels.”
So in conclusion
Thor’s axe can’t cut through it.
Tiberius beak can’t penetrate it.
Kan opener’s claws can’t crush it
Storm can’t stop it
No flipper can turn it turtle
Even the pit can’t hold it.
It does all this with 2 old Bosch motors, some chains, an old 180 Wotty and 2 lead acid batteries!!!
Given the same I challenge anyone to do better.
IT’S THE SAINT AND I AM PROUD TO HAVE DESIGNED AND BUILT IT.
So in my book it wins
Amen to that Craig :)
Attachment 3821
Been doing some soldering, I had bought 6 36V NiCd packs off the Big Nipper team. converted them into 8 24V packs.
Hope to use them at Guildford without Wotty magic smoke this time. :uhoh:
That just makes me want to make a special sized 'Saint' claw..... tape measure time at the next event ;)Quote:
Originally Posted by craig_colliass
Ed
Got the Armour plate back from the foundry!
This is another modification for Cherub the 3mm plate on the front got bent again! "THOR" enough said. :mrgreen: :mrgreen:
So I have increased the thickness to 6mm on the sides and 8mm on top also I have taken a design idea employed in the Armour of the Armadillo and Woodlice, so this time the front plates will overlap the rear Armour allowing some movement between them when hit.
This is what I like about this hobby always learning.
As promised pictures of the new Armour, at the moment it is just tacked together. the design is keeping the same shape as the last one, but as mentioned before it is now going to overlap the rear Armour. Hopefully making it stronger. :proud:
Attachment 3909
Proof the top Armour is 8mm thick!!! :uhoh::uhoh:
Attachment 3910
I had to do some modifications to the bulkhead on Cherub, and got to thinking how fast could I put it back together again?
The start just the chassis and the lifting arm assembly.
Attachment 3915
Then the weapon motor assembly and chain. 8min-54sec
Attachment 3916
Then the drive motors gearboxes wheels link and rear sub assembly. 8min-40sec
Attachment 3917
Then Battery tray speed controller bracket and more wiring. 3min-12sec
Attachment 3920
and then the radio receivers the rest of the wiring and BEC ready to go. 4min-51sec
Attachment 3919 Attachment 3918
So from chassis to robot 25min-37sec. and it worked!! is this a record??:proud: