[Land-speed] Sorta On Topic...Leaf Blower...

NT788 at comcast.net NT788 at comcast.net
Thu Jan 17 19:36:57 MST 2008


My model51591 El Toro Didn't work  good until I took off the EPA speed control And replaced it with a "God Forbid "toggle switch! Jack

-------------- Original message -------------- 
From: drmayf <drmayf at mayfco.com> 

> With all that verification of cross sectional area, I should at least 
> have 6 or seven significant digits, lol... 
> 
> Thanks 
> ' 
> mayfEd Weldon wrote: 
> 
> >Mayf-- 
> >Toro Super Blower model 51591 (2 speed) "215mph" on the label. 
> >Outlet area 2.41 square inches measured as follows: Measures length and 
> >width of approx. oval nozzle 1.11" x 2.68" 
> >Flattened a lump of modeling clay after warming same in a woodworker's bench 
> >vise to .34" thickness. 
> >Pressed nozzle into clay to get crisp impression. Put clay on platen of 
> >flatbed copier and printed b/w image. Verified image against two 
> >measurements previously taken. Measured area of image with a K&E 4236 
> >planimeter. Result read from the vernier with magnification. 
> >Ed Weldon Jan. 17, 2008, 10:00 AM PST 
> > 
> >----- Original Message ----- 
> >From: "drmayf" 
> >To: "LSR" 
> >Sent: Thursday, January 17, 2008 8:49 AM 
> >Subject: [Land-speed] Sorta On Topic...Leaf Blower... 
> > 
> > 
> > 
> > 
> >>The chit chat about aero using leaf blowers etc has reminded me that I 
> >>need to get a leaf blower to do some testing with. Not aero but mass air 
> >>flow sensor testing. I want to stack up 2 vane air flow meters and one 
> >>old fors mass air flow meter and a throttle body in one long string and 
> >>then draw through them with a leaf blower or similar. More flow is 
> >>better so a big leaf blowere would work really well. What I am having 
> >>trouble with is getting ratings in cfm...every mfg has mph but since I 
> >>don't know the duct size cannot determine the cfm from that. How about 
> >>some of you hguys with leaf blowers, take a look at teh speed rating and 
> >>then measure the outlet size diameter and shoot me a note that way I can 
> >>determine the cfm and maybe start looking for a particular model. This 
> >>is all in support of adding a larger vane air flow meter to the 
> >>screaming 61 cubic inches of turbo terror that my wife will ultimately 
> >>drive on the salt. No rush, anythime this morning befpore 9 am pst will 
> >>do, lol...nah I'd be happy to get data from you at anytime. 
> >> 
> >>mayf 
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