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Thread: The task (lawn mower topic)

  1. #41

    Re: The task (lawn mower topic)

    this season's build is a little different.

    while driving around chicago I noticed people using stand up lawn mowers,
    to find out why, what's the benefit I could have stopped and asked, but that's
    not the way I fly, this season the gravely mowing deck is going stand up.

    but because I wanted one handed operations I'll go with a steering wheel setup
    for on-board control.

    the colored buttons are for speed control.

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  2. #42

    Re: The task (lawn mower topic)

    Neat!

    Those round colored push buttons from E-switch are favorites of mine, btw :-)

  3. #43

    Re: The task (lawn mower topic)

    Jwatte , I do hope they work better then the two position switches I got from Amazon also,
    which failed (sometimes worked, sometimes not)
    hard to complain when you buy 5 for 12.00 and free shipping

    I ordered some more but picked the 2 for 12.00 option

    I'm using them on the ignition system of the gas engine, sucks when the engine randomly quits

    plan C is to get them from McMastercarr , they always seemed to work fine, but cost about $30.
    Last edited by Tommy_T; 05-08-2019 at 07:09 AM.

  4. #44

    Re: The task (lawn mower topic)

    with the alternator installed and charging the batteries, this task is almost
    complete(just need to clean up wiring and make covers for the batteries) .

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  5. #45

    Re: The task (lawn mower topic)

    I have read and re-read all the posts from the beginning of this thread and the "Mule" thread.
    I am truly impressed with your projects and your accomplishments. Congrats!
    Big bots are the best bots!
    I am hoping you will be sharing updates soon since it is the heart of mowing season now.
    On the edge of my seat awaiting your next update.
    I reject your reality and inject my own.

  6. #46

    Re: The task (lawn mower topic)

    I am hoping you will be sharing updates
    EdZachery, you are correct about it being heart of the mowing season, but now
    I'm dealing with the heat of the mowing season, as it turns out alternators get
    damn hot. I installed a temperature probe on it and after mowing an acre of
    grass on hilly areas the alternator can get to 250degF (120c) which is hot
    enough to melt cheap wire insulation.

    my current plan is to try to cool the alternators with air.
    a 270cfm 12vdc fan should be here tomorrow

    all-in-all I'm sold on using alternators for extending the run time of these bigger
    projects, the Mule is also getting one.

  7. #47

    Re: The task (lawn mower topic)

    Yikes, that is hot. The fan should definitely help. It looks like you have plenty of room for some "IHS" (Improvised Heat Shield) as well.
    Thank you for the update! I will be looking forward to more.
    I reject your reality and inject my own.

  8. #48

    Re: The task (lawn mower topic)

    while I picked this task because I was thinking it would go fast(faster then most tasks I pick)(some last years).
    so I'd have time to finish the four wheel drive system on the mule before winter
    gets here. but, I found a new ELO 7" touchscreen on ebay for $80, and I have
    some ultrasonic sensors that I want to test for keeping the mowing deck from
    hitting walls and fences(the mower deck is 1/4" steel, anything it hits breaks)
    and I spend a lot of time mowing along buildings and fences.

  9. #49

    Re: The task (lawn mower topic)

    I should now be able to test to see if moving 270cfm of air across the alternator
    can control the temperature it operates at.

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  10. #50

    Re: The task (lawn mower topic)

    That's a fair bit of air :-D
    At that point, the limiting factor may be the surface area of the alternator casing.
    Which leads you to consider water channels, ....

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