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Forum topic by jasoncarpentry posted 03-08-2013 07:44 PM 1137 views 0 times favorited 4 replies Add to Favorites Watch
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142 posts in 2620 days

03-08-2013 07:44 PM

Yeah, yeah, I know this site is full of threads which discuss table saws, including a very long and very helpful essay by Scott (?), but I still can’t find the answer to my question.

I have a 15-year-old Jet contractor’s saw (which, BTW, I’d like to sell, so let me know if anyone out there is interested). It has an outboard motor which sits on a hinged plate; the weight of the motor provides the belt tension. What this means is that when I tilt the blade, the whole shebang tilts, and I lose some (most?) of the belt tension, and hence the blade torque is reduced.

So I’m seriously looking at hybrid saws, and I’m reading all about “inboard” and “outboard” motors, trunnion details, etc. But what I want to know is: Does an “inboard” motor on a hybrid TS have the same drawback as my contractor’s saw, or are the trunnions & belts such that I won’t lose torque when the blade is tilted?

Thanks in advance for your help.

-- Jim in Tennessee

4 replies so far

View muleskinner's profile


896 posts in 2402 days

#1 posted 03-08-2013 07:48 PM

Everyone I’ve seen has a solid motor mounting. The belt tension is consistent.

-- Visualize whirled peas

View pendledad's profile


190 posts in 2055 days

#2 posted 03-08-2013 08:10 PM

I had the same problem with my old King & Seeley contractor saw. Except my belt flung off during a cut. I went through the same thought process of Hybrid saw, but I didn’t want to spend any time messing with table mounted trunions or just having a fancy cabinet on what is essentially another contractor saw. I went with the G1023RL which is a moderately priced cabinet saw from Grizzly.

I looked at the G0715 hybrid saw but decided against it after hearing about the runout issues. But I talked to Grizzly and they assured me that everything they had in stock met factory specs.

Take a look at the detailed manuals for each saw you’re considering. I’m pretty sure most saws have constant tension in the belt and the whole motor assembly tilts as a unit.

View crank49's profile


4030 posts in 2937 days

#3 posted 03-08-2013 08:15 PM

Yes, all the inboard motor mounts I’ve seen have bolts to adjust and hold the tension. They don’t depend on gravity..

View knotscott's profile


7980 posts in 3341 days

#4 posted 03-08-2013 10:05 PM

I think it varies by model and design. There are a few types:

-- Happiness is like wetting your pants...everyone can see it, but only you can feel the warmth....

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