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OK Fella's, I am on a quest to build a snowblower for my Cub. I picked up a JD 38" auger setup off of a JD lawn tractor. ($25, I couldn't not take it!) I am planning on using a Honda 8HP horizontal shaft motor and putting a pulley on the shaft to run the belt system of the JD auger. Does anyone have any idea what speed the auger should be running? I need to order a pulley for the Honda and want to get the right size. This should be a fun project, unfortunately we are scheduled to get 10-15" tomorrow, so I won't have it ready for that, but maybe the next one. Any suggestions or help would be appreciated. I was going to power it with a hydraulic motor, but to eliminate all of the hoses/plumbing I will fabricate the pulley system instead.
The impeller should be running about 1,000 rpm, auger about 300 rpm, if I remember correctly. Will search the posts and see if I can find it. Also, 3.5" pulley on the blower and 9" to 10" on the shaft. Let me verify that though..
Found it.... Snowblower Power
Thanks so much for the info Rudi. That will be a big help. Surprised I didn't get much more response from this since we are all socked in with snow in one way or another. Well, I know you guys like pictures so we started the mock up today and made some good progress until dark. So these are just progress pictures, more to follow.And the wood 2X4's are just so we can get an approx. location for the engine. It will be mounted on a steel plate for the final set up. Hope they inspire others to jump in.
If you can't hit the blower auger to fan ratio correctly i seen the gravely tractors some with two different ratios. They were a 1 to 4 and a 1 to 10 on the similair two stage blower. I had a older gravely with the 7,6hp L engine with the 1 to 4 ratio open side blower and i could throw 4" of wet slush over the tops of the telephone poles it surprised all of us that day in the neighborhood. I actually ran the whole tractor into high drifts of snow with only the blown snow comming out of the drift with the handles sticking out.
Thats 1 turn of the auger to 4 turns of the fan that keeps the snow moving fast but it may load the newer engine more. The gravely's had very long connecting rods which means gobs of bottom end torque. The newer engines lack this torque feature. There more of a higher rpm engine now. All i'm saying is you made to adjust it so its right or you may hit it on the first shot.
I want a snowblower for my int154 with the creeper. I have a cub cadet 108 ready to go with the snowthrower on it but were not getting any deep snow now. I have 4 tractors set up with snow removal stuff and really no big blizzards yet. I guess i'm scaring the snow away.
I'm technically misunderstood at times i guess its been this way my whole life so why should it change now.
David, looks like you're having fun and doing a great job. The only thing I can think of that may give you some issues----The one that George(IH48) had was hard to here the cub engine running slow, and the blower engine running fast. That darn cub engine is too quiet at idle. A low range unit would've been perfect. Maybe your Honda engine will solve the noise problem. Keep up the great fabricating and posting.
When I told my dad I've been misplacing things and doing stupid stuff----His reply---"It only gets better"
Rick, thanks for the tip! Hadn't thought of the noise problem yet! I may install a tach if I can find a 6volt one. I am away next week for school vacation and I am sure when I get back and finish it, we won't have any more snow!! Oh well, it is a fun project and I will be ready for next year. I will keep posting pics for those that are interested.
You are welcome. I am rather intrigued by what you have going here already. This is interesting. I for one will definitely be looking forward to more pics and narrative as you progress with this project. There have only been a few of these projects done that I know of, and I think Rick is the only one with a successful project on the forum so far. This looks well on the way to being the next one.
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