Converting Ariens 924 series to Electric - Snowblower Forum : Snow Blower Forums
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post #1 of 20 Old 02-20-2019, 03:44 AM Thread Starter
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Converting Ariens 924 series to Electric

Hey guys,

So I'm converting my Ariens 924 series snowblower over to electric.

After needing to replace a spindle housing, I've got pretty much everything figured out except for one part ... I need to adapt a 5/8" motor shaft to a 1" pulley.

Here's a full writeup of what I've been working on:
https://hackaday.io/project/163978-e...wer-conversion

But here's a few pictures:
https://photos.app.goo.gl/9KJvyEuwzpXJvs4q6

https://photos.app.goo.gl/xBmX1kgV814N6w1f8


The second picture shows the 3D printed adapter I made ... so far it works like a champ, but I'm only able to secure the pulley to the adapter .. and not the adapter to the inner shaft. Both keyways fit nice and snug, but the pulley wants to jog a tiny bit forward and backward on that shaft while running, and that makes me nervous.

Does anyone know of a 5/8" ID to 1" OD shaft adapter with dual keyways? Could I use a combination of adapters (like 5/8" to 3/4" to 1")?

Thanks in advance for any help

Last edited by ryanhatfield; 02-20-2019 at 03:49 AM.
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post #2 of 20 Old 02-20-2019, 05:10 AM
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Looks interesting. Have you tried getting a double pulley with 5/8 bore? An electric motor shop should have pulleys.

Is that a golf cart motor?

Saw your battery pack you made. Iím assuming LI cells How many ah will it supply?


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post #3 of 20 Old 02-20-2019, 07:32 AM
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Could you drill thru the adapter and use a longer set screw to reach the shaft?
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post #4 of 20 Old 02-20-2019, 07:57 AM
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Quote:
Originally Posted by niteshft View Post
Could you drill thru the adapter and use a longer set screw to reach the shaft?



I agree with Niteshft, the small key is in contact with the shaft so just drill and tap a hole to get a setscrew in contact with that small key and you should be good to go. Good luck. Looks like 3D printing is here to stay. I know chainsaw guys looking to get NLA manifolds and parts printed up.
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post #5 of 20 Old 02-20-2019, 08:47 AM
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that appears to be less than 1/2 hp electric motor. I don't think you will have much luck moving snow with it.
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post #6 of 20 Old 02-20-2019, 09:32 AM
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For what it's worth, the Ariens Amp 24 came with a 4 horsepower motor and a 48V 30 amp battery.

Last edited by db130; 02-20-2019 at 04:51 PM.
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post #7 of 20 Old 02-20-2019, 01:23 PM
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I believe that's a 1/3HP, 24V DC Leeson electric motor rated at only 1,750 RPM. I would also think it needs to be much larger, maybe something like this: Motenergy ME0909 PMDC Motor, 12-48V, 4 hp cont, 12.8 hp peak https://www.electricmotorsport.com/m...2-8-hp-pk.html
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post #8 of 20 Old 02-20-2019, 02:25 PM
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Converting Ariens 924 series to Electric

Like to hear specs on el motor.
Amps horsepower and rpm

Iíve seen the mean green electric commercial mowers. Technology is there but $$$

http://www.meangreenproducts.com

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Last edited by groomerz; 02-20-2019 at 02:35 PM.
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post #9 of 20 Old 02-20-2019, 03:15 PM
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That is going to be one heavy mutha!

I am deathly allergic to shovels!


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post #10 of 20 Old 02-20-2019, 03:52 PM Thread Starter
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All good stuff guys, thanks!

I'll try to answer some of these questions, but all specs for the project are on the Hackaday.io website here:
https://hackaday.io/project/163978-e...wer-conversion

There's links to the motor on that site, but @tabora is right it is (by design) a 24V 1/3HP motor running at 1700k ... ish RPMs. I measured and verified at least the RPM at 24V and it's pretty darn close.

I've upgraded the wiring to the motor to 10AWG silicone, and that's the same wire I have in the battery pack. The wiring should be able to handle 75A easy, and the connectors can handle 90A.
As for the batteries, I once pulled 50A from them for 5 minutes, they were lukewarm to the touch. I've had 40V lithium packs get hot to the touch before, I think I'm OK for power delivery.
I have a few hundred pounds of hybrid car batteries I got from a salvage yard ... so if I need more power, I'll add more batteries.

I'm overvolting this motor to 48V and might even go higher. Yes this will cause heat, yes it's not designed for it ... not really the point here
I should get some more power out of it.

Running the motor at 48V I get a nice 3400RPM (well within the range for the small engine I think).

@bad69cat
Yup! going to be super heavy. At least I'll get good traction going up icy hills.

@niteshft
Before I read your suggestion, last night I did just that. The pulley had two setscrews already, one for the key and one for the shaft. I'll get a longer setscrew, but it works for now.
The second setscrew goes through the 3D printed part, and connects the pulley directly to the center shaft that way. I know the threads on the PLA plastic part don't matter much, but I tapped them all the same. Mostly to cleanup the pulley threads. Pretty happy with how it turned out.

Here's a picture of it all back together for now. Not in the picture, but the pulley cover even fits still.



And here's a quick video running the motor. I think I'll get rid of the throttle and just use a big relay ... I don't really need variable speed.
https://hackaday.io/project/163978-e...646-motor-test
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