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  • Tommy_T's Avatar
    6 Days Ago
    Tommy_T replied to a thread Project More Mule then Rover? in Rovers
    the lift works as envisioned, 5 sec. for full lift height, tested lifting 290lb, it lifted it with no measurable slow down.(Sweet!) the braking...
    197 replies | 65333 view(s)
  • Tommy_T's Avatar
    6 Days Ago
    Tommy_T replied to a thread Project More Mule then Rover? in Rovers
    plan A is to use one 1000W motor for lifting and one for dumping. plan B is to use two 1000W motors for lifting and one for dumping.
    197 replies | 65333 view(s)
  • Tommy_T's Avatar
    1 Week Ago
    Tommy_T replied to a thread Project More Mule then Rover? in Rovers
    I should have the bucket mounted to the lift soon
    197 replies | 65333 view(s)
  • Tommy_T's Avatar
    1 Week Ago
    Tommy_T replied to a thread Project More Mule then Rover? in Rovers
    Lucky for me I ordered a manufactured steel bucket(80lb) from Home Depot, if I made it, chances are it would weigh 300lb.(like the lifting frame I'm...
    197 replies | 65333 view(s)
  • Tommy_T's Avatar
    1 Week Ago
    Tommy_T replied to a thread Project More Mule then Rover? in Rovers
    baby steps I'm going to test lifting the bucket while still just bolted together, before I take it back to the welder. the bucket...
    197 replies | 65333 view(s)
  • Tommy_T's Avatar
    1 Week Ago
    Tommy_T replied to a thread Project More Mule then Rover? in Rovers
    these passed the 24 hour heat test. they also have a 200A version with the same foot print. which I'll most likely use when both sabertooth...
    197 replies | 65333 view(s)
  • Tommy_T's Avatar
    1 Week Ago
    Tommy_T replied to a thread Project More Mule then Rover? in Rovers
    jwatte, if plan D fails I may just do something like that. plan D is to use the same thing I would use to enable a drive on a machine. I can get...
    197 replies | 65333 view(s)
  • Tommy_T's Avatar
    1 Week Ago
    Tommy_T replied to a thread Project More Mule then Rover? in Rovers
    jwatte, I've never worked or played with a Teensy yet. sounds like a good way to spend a winter.(testing Teensy's,Pi's and Edison's) I'm also...
    197 replies | 65333 view(s)
  • Tommy_T's Avatar
    1 Week Ago
    Tommy_T replied to a thread Project More Mule then Rover? in Rovers
    mother nature must be checking in on this topic, 20 miles south of me got 10" of snow this week. she dropped none on me. I was thinking of...
    197 replies | 65333 view(s)
  • Tommy_T's Avatar
    1 Week Ago
    Tommy_T replied to a thread Project More Mule then Rover? in Rovers
    baby steps. I should have the remote controller done by time the lift is ready. when this mod. is complete there should be 3 sabertooth...
    197 replies | 65333 view(s)
  • Tommy_T's Avatar
    1 Week Ago
    Tommy_T replied to a thread Project More Mule then Rover? in Rovers
    tician, I agree, something like a RC snubber would add to the warm&fuzzy feeling.
    197 replies | 65333 view(s)
  • Tommy_T's Avatar
    1 Week Ago
    Tommy_T replied to a thread Project More Mule then Rover? in Rovers
    jwatte, very good advice. I started using EATON solid state relays 15yrs ago for work, and over the years have found them to be very reliable,...
    197 replies | 65333 view(s)
  • Tommy_T's Avatar
    1 Week Ago
    Tommy_T replied to a thread Project More Mule then Rover? in Rovers
    tician, my bad. I'm going to be running the load output contacts in series. that way if the contacts stick on one of relays the other can still drop...
    197 replies | 65333 view(s)
  • Tommy_T's Avatar
    2 Weeks Ago
    Tommy_T replied to a thread Project More Mule then Rover? in Rovers
    baby steps. which sucks because we got 6" of snow on way.
    197 replies | 65333 view(s)
  • Tommy_T's Avatar
    2 Weeks Ago
    Tommy_T replied to a thread Project More Mule then Rover? in Rovers
    two of these in series should give me a warm&fuzzy for a Drive enable relay(s). two of them should draw .400 Amps (coil listed as 60 ohm)
    197 replies | 65333 view(s)
  • Tommy_T's Avatar
    2 Weeks Ago
    Tommy_T replied to a thread Project More Mule then Rover? in Rovers
    tician, too hot to touch, that was with no load. Just relay connected to 24vdc battery over night.
    197 replies | 65333 view(s)
  • Tommy_T's Avatar
    2 Weeks Ago
    Tommy_T replied to a thread Project More Mule then Rover? in Rovers
    I was thinking of using this SPST 300A 24Vdc relay for the Drive enable relay. It was listed as continuous duty, but still gets very hot after...
    197 replies | 65333 view(s)
  • Tommy_T's Avatar
    2 Weeks Ago
    Tommy_T replied to a thread Project More Mule then Rover? in Rovers
    jwatte, while the 80A relays are cheap, the solid state relays needed for the arduino to control them are not, and I don't have a lot of them in my...
    197 replies | 65333 view(s)
  • Tommy_T's Avatar
    2 Weeks Ago
    Tommy_T replied to a thread Project More Mule then Rover? in Rovers
    I only have a single axis motor drive sitting around(sabertooth 50), and I can't see a need to lift and dumping at the same time. so I got a 80A...
    197 replies | 65333 view(s)
  • Tommy_T's Avatar
    2 Weeks Ago
    Tommy_T replied to a thread Project More Mule then Rover? in Rovers
    Jwatte, that's one of the things that makes the 1.5 hour drive(each way) to the office worth the drive, the Mill has a conversational control on...
    197 replies | 65333 view(s)
  • Tommy_T's Avatar
    2 Weeks Ago
    Tommy_T replied to a thread Project More Mule then Rover? in Rovers
    baby steps.
    197 replies | 65333 view(s)
  • Tommy_T's Avatar
    2 Weeks Ago
    Tommy_T replied to a thread Project More Mule then Rover? in Rovers
    Baby steps.
    197 replies | 65333 view(s)
  • Tommy_T's Avatar
    2 Weeks Ago
    Tommy_T replied to a thread Project More Mule then Rover? in Rovers
    lucky for me, I had someone else weld the frame for me. and it turned out very sweet!. (if I did it, even using cold rolled steel it would have...
    197 replies | 65333 view(s)
  • Tommy_T's Avatar
    2 Weeks Ago
    Tommy_T replied to a thread Project More Mule then Rover? in Rovers
    While waiting on parts for the bucket build I should think about rebuilding the current handheld mule remote controller. It's in a very sad shape.
    197 replies | 65333 view(s)
  • Tommy_T's Avatar
    2 Weeks Ago
    Tommy_T replied to a thread Project More Mule then Rover? in Rovers
    jwatte, they are Arduino Nano V3.1 boards https://www.mouser.com/ProductDetail/Gravitech/ARD-NANO30NP?qs=sGAEpiMZZMvq007EO%252bXAYdh8vxKmOPAO
    197 replies | 65333 view(s)
  • Tommy_T's Avatar
    2 Weeks Ago
    Tommy_T replied to a thread Project More Mule then Rover? in Rovers
    the only time I've had Arduino's lock up on me are when I have serial port conflicts, so even with using 2 Arduinos(one is for safety checks) I'm...
    197 replies | 65333 view(s)
  • Tommy_T's Avatar
    2 Weeks Ago
    Tommy_T replied to a thread Project More Mule then Rover? in Rovers
    when I started the mule project for convenience I had two battery groups, 12vdc and 24vdc with two different charging systems. the 12vdc for PC...
    197 replies | 65333 view(s)
  • Tommy_T's Avatar
    2 Weeks Ago
    Tommy_T replied to a thread Project More Mule then Rover? in Rovers
    jwatte, have to agree with you on that one, but it should be a very quiet lift. the motors I planed to use for the lift&dump systems were motors I...
    197 replies | 65333 view(s)
  • Tommy_T's Avatar
    3 Weeks Ago
    Tommy_T replied to a thread Project More Mule then Rover? in Rovers
    for the first try, I'm going with a #50 chain for the bucket lift and bucket dump drives systems. I'm going to have the frame welded together...
    197 replies | 65333 view(s)
  • Tommy_T's Avatar
    3 Weeks Ago
    Tommy_T replied to a thread Project More Mule then Rover? in Rovers
    jwatte, with the way the bucket was made I have to lift it 18" just to dump it. I'm thinking of lifting a total of 34". jwatte, this is where...
    197 replies | 65333 view(s)
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