Go Back   LawnSite.comô - Lawn Care & Landscaping Business Forum, Discuss News & Reviews > Sponsor Forums - Discuss with Sponsors Directly > Lawn Mowing Equipment & Accessories * * * * SPONSOR FORUMS > Magna-Matic
User Name
Password
Register FAQ Calendar Mark Forums Read


Magna-Matic Lawn Mower Blade Balancers, Sharpeners, and more

 
 
Thread Tools Display Modes
Prev Previous Post   Next Post Next
  #11  
Old 05-27-2011, 03:42 PM
44DCNF 44DCNF is offline
LawnSite Bronze Member
 
Join Date: Jul 2007
Location: Northern Illinois
Posts: 1,399
Ever ride behind a semi or mini van while on a motorcycle? If so, you've very likely experienced the buffeting and steering oscillations that happen when in the right zone (or wrong zone actually). Now imagine the semi as a dull blade plowing its way through the grass rather than cleanly slicing it's way through. This being more about balance, we can overlook that for now. IF the semi driver were to move his truck left and right in his lane, that would really amplify the buffeting or cause you to be all over the place as you cruise along behind being whipped around by the buffeting.
In opposition, imaginge a GT40 cutting the air, as related to a sharpened blade slicing cleanly and smoothly through the grass. You don't usually get buffeting riding behind a low sleek automobile. the air streams that went around the vehicle join back together smoothly and quickly after they pass around the vehicle.
When there is any off plane or sideways movement as encountered in buffeting, it affects your forward speed, energy consumed and more as mentioned by CQ_DX. I see the balanced and properly sharpened blade as a straightlined aerodynamic sports car and the imbalanced blade as the erratically driven flat nosed semi.

As for the blades grind, I think it is true that a hollow grind (wheel) will throw grass better than a chisel grind (file or disc type grinder), this being a seperate issue from the lift that the sail causes.

I'm with grassman, and it's my opinion that a balanced and properly sharpened blade will give less buffeting under the deck and thus a cleaner deck as a result of more efficient discharge. It may have to do with all grass clippings being better lined up as the leave the tip of the blade. It would be interesting to see a stop action or slo mo film of what goes on under a deck during these various conditions.
Reply With Quote
 

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are Off
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -4. The time now is 06:46 AM.


Our Links:  PlowSite - WeldingWeb - LawnCareSuccess - Everythinggreen - Lawnbusiness.net
Recommended Sites:  ContractorTalk.com

Powered by vBulletin® Version 3.8.6
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Copyright ©1998 - 2012, LawnSite.comô - Moose River Media
Lawnsite,  Plowsite, WeldingWeb, LawnCareSuccess, Everythinggreen, & Lawnbusiness.net are trademarks of Lawn Care Success, Inc

Page generated in 0.11550 seconds with 8 queries