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Single Stage Blower Speed


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#1 cpg OFFLINE  

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Posted October 30, 2014 - 08:57 AM

I have an old Montgomery Wards single stage snowblower. I have a couple tractors it will bolt to but nothing that it will work with the drive system so my plan it to mount an engine on it like the ATV blowers so it has its own power source. Trying to figure out pully gearing and just wondering if the input for the single stage blowers spins at engine speed or if it is geared down? I've never actually had one bolted onto a tractor. Thanks for any help.



#2 MFGray OFFLINE  

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Posted November 21, 2014 - 05:06 PM

Looking at the MF620 (Haban) single stage blower, the drive pulley from the engine is 4" and the pulley on the blower is 6" or just under, so there is a first reduction of 2/3, then the blower pulley turns an 18 tooth sprocket that drives a 35 tooth sprocket on the blower auger, giving a futher reduction of almost 1/2. Overall, it seems the blower spins at about 1/3 of engine speed.

#3 Cat385B ONLINE  

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Posted November 21, 2014 - 05:37 PM

Usually 800-1100 rpm on a single stage.


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