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

To: "Ed Weldon" <23.weldon@comcast.net>, <drmayf@mayfco.com>, "LSR"
Subject: Re: [Land-speed] Sorta On Topic...Leaf Blower...
From: "Benn" <karhu@california.com>
Date: Thu, 17 Jan 2008 12:15:07 -0800
Geez Ed, you didn't use a gps-enhanced coordinate axis measuring machine 
with a MathCad program to calculate the area?
Benn
----- Original Message ----- 
From: "Ed Weldon" <23.weldon@comcast.net>
To: <drmayf@mayfco.com>; "LSR" <land-speed@autox.team.net>
Sent: Thursday, January 17, 2008 10:05 AM
Subject: Re: [Land-speed] Sorta On Topic...Leaf Blower...


> 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@mayfco.com>
> To: "LSR" <land-speed@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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