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Posted by Van Chocstraw on October 17, 2009, 10:27 am
Ed Pawlowski wrote:
show/hide quoted text
>> I want more lift and blower power on my lawn tractor lawn mower to blow
>> better into the grass catcher, picking up leaves. Can I twist the lawn
>> mower blades to give them more pitch? I can't seem to find any blades
>> specially designed for greater blowing power.
>
> Give the possibilities of cracking the metal if not properly heated or
> ruining any temper in the blade, I'd certainly not risk it. They spin to
> fast to take chances like that.
>
>
Maybe I could bold wings on the tips?
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Posted by dpb on October 17, 2009, 10:38 am
Van Chocstraw wrote:
show/hide quoted text
> Ed Pawlowski wrote:
>>> I want more lift and blower power on my lawn tractor lawn mower to
>>> blow better into the grass catcher, picking up leaves. Can I twist
>>> the lawn mower blades to give them more pitch? I can't seem to find
>>> any blades specially designed for greater blowing power.
>> Give the possibilities of cracking the metal if not properly heated or
>> ruining any temper in the blade, I'd certainly not risk it. They spin
>> to fast to take chances like that.
> Maybe I could bold wings on the tips?
You _could_, but shouldn't even consider it for the schrapnel
possibility it raises.
As somebody else said, go to your local shop of choice and ask for a set
of high-lift blades; they're made specifically for the purpose. Take an
old blade to match specific length/hole size, etc., ...
A quick google for "42 high lift mower blade" returned some 10k+ hits...
I presume this is 2-spindle deck?
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Posted by Jules on October 18, 2009, 11:06 am
On Sat, 17 Oct 2009 09:38:27 -0500, dpb wrote:
show/hide quoted text
> As somebody else said, go to your local shop of choice and ask for a set
> of high-lift blades; they're made specifically for the purpose. Take an
> old blade to match specific length/hole size, etc., ...
I've also heard that raising the front of the deck a little (thereby
changing the angle of the blades relative to the ground) can really help,
at the expense of a cut that's less neat ("less neat" not really being an
issue for leaf clearance).
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Posted by willshak on October 17, 2009, 12:43 pm
on 10/16/2009 4:21 PM (ET) Van Chocstraw wrote the following:
show/hide quoted text
> I want more lift and blower power on my lawn tractor lawn mower to
> blow better into the grass catcher, picking up leaves. Can I twist the
> lawn mower blades to give them more pitch? I can't seem to find any
> blades specially designed for greater blowing power.
You'll probably throw the blades out of balance, which may cause bearing
and/or shaft damage.
I have a 3 bladed mower deck and I find that I have to keep the revs
high and the deck low for maximum lift.
I also tape up all joints in the lift tube so all the air blowing into
the tube stays in the tube until it gets to the baskets.
--
Bill
In Hamptonburgh, NY
In the original Orange County. Est. 1683
To email, remove the double zeroes after @
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Posted by Van Chocstraw on October 20, 2009, 12:54 pm
willshak wrote:
show/hide quoted text
> on 10/16/2009 4:21 PM (ET) Van Chocstraw wrote the following:
>> I want more lift and blower power on my lawn tractor lawn mower to
>> blow better into the grass catcher, picking up leaves. Can I twist the
>> lawn mower blades to give them more pitch? I can't seem to find any
>> blades specially designed for greater blowing power.
>
> You'll probably throw the blades out of balance, which may cause bearing
> and/or shaft damage.
> I have a 3 bladed mower deck and I find that I have to keep the revs
> high and the deck low for maximum lift.
> I also tape up all joints in the lift tube so all the air blowing into
> the tube stays in the tube until it gets to the baskets.
>
>
>
I run it wide open now. Picks up dry leaves ok but damp grass and leaves
I have to run the slowest gear and it still plugs the tube sometimes.
Maybe if I increase the size of the drive pulley and douple the rpm's of
the blades it would work the best.
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>> better into the grass catcher, picking up leaves. Can I twist the lawn
>> mower blades to give them more pitch? I can't seem to find any blades
>> specially designed for greater blowing power.
>
> Give the possibilities of cracking the metal if not properly heated or
> ruining any temper in the blade, I'd certainly not risk it. They spin to
> fast to take chances like that.
>
>