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

[Ed Weldon]

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" <drmayf at mayfco.com>
To: "LSR" <land-speed at autox.team.net>
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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