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pgill


Joined: Dec 29, 2008
Points: 23

28 or 32 inch Simplicity Pro Signature?
Original Message   Dec 31, 2008 4:23 am
I had possed this question in the previous thread I had created, but I am posting it again here in hopes of getting some quick feedback.  I have purchased the 28inch model, but could change my mind if I call in the morning before they deliver it.

As far as my Simplicity goes, the dealer had both the 28 and 32 inch pro models.  I really debated between the two, as there was only a $200.00 difference.  I thought the 28" would be the way to go for the best power to width ratio, and the motors are the same as far as I can tell.  Dealers seem think it is only a tweak in the carb, or higher RPM that gives the 32"  the extra hp.  I don't mind the smaller cut, as either is bigger than my old machine, but what got me wondering was the tires.  between the two they are the same height, but the 32" has a significantly wider tire.  Will it drive through the heavy stuff much better, or does the added width of the auger make it equal again? 

I could probably call first thing in the morning and switch to the 32" if it was much better.  I was thinking the 28" should be equal because of the narrower width, it also felt like it had a little more weight up front than 32" which I hoped would help the augers to bite in a little more.  I thought that was odd since it was smaller up front, but the dealer thought so as well as we were looking at them.

I was also wondering if others typically use the wieghts that can be added on, and/or chains on the wheels?  Does anyone feel they make much difference, or recommend to get them or not?  Also, I asked the dealer to fill it with a synthetic oil.  Seems everything is going that way so I figure why not.  They said they would pick up some Ams Oil from the dealer down the road from them.  For future use, does anyone recommend something like Mobile One or Ams oil, others?  Perhaps a particular type of grease as well?  Wish I thought of asking the dealer what grease they use, I could have asked them to switch that as well if needed.  I'm sure it will be good enough to get me started, then I'll hit it with the grease gun anyway.

I like the 28 inch, just thought I would see if someone experienced with these things thought I should really go with 32 inch for some reason while I still have a choice.

Replies: 13 - 19 of 19Next page of topicsPreviousAllView as Outline
aa335


Joined: Nov 29, 2008
Points: 2434

Re: 28 or 32 inch Simplicity Pro Signature?
Reply #13   Jan 2, 2009 11:28 am
borat wrote:
My previous two Craftsman snow throwers were both powered by a 10 h.p. Tecumseh L-head.   Machine no. 1 was a 10-32, machine no. 2 was a 10-28.   All I can say about the two is that the 32 inch machine couldn't keep up with the 28".   Even when the 32 was running at it's best (newest) and the 28 was running at it worst (oldest) the 28 would out-work the 32".   From my experience, power is an issue.  Four inches of additional with is a 14% increase.   I don't know what that equates to volumetrically, but I believe that if you're going wider, more power is essential.  Personally, I'd want at least one more h.p. per two inches of extra width.    



In addition to more horsepower, I think the impeller would have to be sized larger or at least spin at a higher RPM to effectively move the larger volume of snow collected by the larger width augers.  I see a lot of snowblowers where a 32" snowblower has the same impeller diameter as a 28" machine.

I think the Simplicity models and some commercial duty models size their impeller larger for larger width.  Not all manufacturers do this, however. 

borat


Joined: Nov 10, 2007
Points: 2692

Re: 28 or 32 inch Simplicity Pro Signature?
Reply #14   Jan 2, 2009 12:22 pm
Increasing Impeller speed/volume makes sense. 
pgill


Joined: Dec 29, 2008
Points: 23

Re: 28 or 32 inch Simplicity Pro Signature?
Reply #15   Jan 2, 2009 12:46 pm
I have to say after my initial use I really like the 28".  The 32" would have been to big to manuver for me.  I know it doesn't seem like to much difference between the two, but for me it would be.  My previous blower was a 24", so I like the increase, but could not fit the 32" through a couple of tight areas.  Given the choice, I prefer more power in most applications.  The 28" has the best power to width ratio according to the stats on paper.  I would be willing to bet it is actually better than that.  I don't think there is any difference between the motors in the 28 and 32.  I  bet the 28 is putting out the same power, only running at a lower RPM perhaps.  Which may mean that the 28" motor isn't working as hard and may outlive the other.  Ofcourse, if this is the case you could easily bump up the RPM a touch to get the same power as the 32".  One benefit is the 28" will probably also run a bit longer on a tank as well.
aa335


Joined: Nov 29, 2008
Points: 2434

Re: 28 or 32 inch Simplicity Pro Signature?
Reply #16   Jan 2, 2009 12:59 pm
pgill wrote:
I have to say after my initial use I really like the 28".  The 32" would have been to big to manuver for me.  I know it doesn't seem like to much difference between the two, but for me it would be.  My previous blower was a 24", so I like the increase, but could not fit the 32" through a couple of tight areas.  Given the choice, I prefer more power in most applications.  The 28" has the best power to width ratio according to the stats on paper.  I would be willing to bet it is actually better than that.  I don't think there is any difference between the motors in the 28 and 32.  I  bet the 28 is putting out the same power, only running at a lower RPM perhaps.  Which may mean that the 28" motor isn't working as hard and may outlive the other.  Ofcourse, if this is the case you could easily bump up the RPM a touch to get the same power as the 32".  One benefit is the 28" will probably also run a bit longer on a tank as well.

Glad you're happy and enjoying your new purchase.  I originally wanted a 28" but they didn't have the exact configuration in stock so I just went up on the size.  I really like the HS928 for overall size and balance.

One additional benefit of the 28" is that you will be getting more exercise.  On your 40' x 150' driveway, you'll need to make at least two additional passes and (300 foot more walking distance).  This maybe a benefit or additional work for you.  Not thats a bad thing.  I enjoy snowblowing so there's no hurry to get it done.  I would snowblow my neighbors property too, but I don't want the parents getting mad at me for trying to get their kids off the butt away from the Nintendo and do some yard work.  Heheh.

Since the engine is the same, isn't there someway to modify the engine so that you can select the normal and "boosted" mode on the fly?

borat


Joined: Nov 10, 2007
Points: 2692

Re: 28 or 32 inch Simplicity Pro Signature?
Reply #17   Jan 2, 2009 1:08 pm
If you're talking about the B&S 200000 series 305cc engine.  It's the same power.  I know it's marketed as a 9 to 11 h.p. engine.  They are either all very powerful 9 h.p. engines or 11 h.p. engines.  Mine's rated at 9.5 h.p.  I'd say 9.5 going on 11. 

Go to the B&S site, download their parts diagrams for the lowest rated 305cc engine then get the same for the highest rated 305cc engine.  Compare every part and tell me how many you find that are different. 

pgill


Joined: Dec 29, 2008
Points: 23

Re: 28 or 32 inch Simplicity Pro Signature?
Reply #18   Jan 2, 2009 1:33 pm
borat wrote:
If you're talking about the B&S 200000 series 305cc engine.  It's the same power.  I know it's marketed as a 9 to 11 h.p. engine.  They are either all very powerful 9 h.p. engines or 11 h.p. engines.  Mine's rated at 9.5 h.p.  I'd say 9.5 going on 11. 

Go to the B&S site, download their parts diagrams for the lowest rated 305cc engine then get the same for the highest rated 305cc engine.  Compare every part and tell me how many you find that are different. 



Not sure what series the engine is, have to go outside and look sometime.  It is a B&S intek snow, but I believe it's 342cc 11.5hp.  The 32" pro series is also 342cc B&S rated for 13hp.  I'll have to look at the B&S site sometime for the fun of it.  Seems to have plenty of power anyway!
borat


Joined: Nov 10, 2007
Points: 2692

Re: 28 or 32 inch Simplicity Pro Signature?
Reply #19   Jan 2, 2009 1:39 pm
Being the larger 210000 series it's likely putting out 13 h.p.  Do a cross reference of parts sometime.  I'd be interested to see if the the 342cc  engines have any different parts across the power spectrum.
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