RE: (ET) mower blades

["Humphrey, Timothy" <HumphreyT neads ang af mil>]

How big is the center hole on the blades you did find. Is it something that
you could put a bushing on(in). If it is not a common size bushing, I have 
a
friend that will make them.



> -----Original Message-----
> From: Barry Woods [mailto:barry woods wright edu]
> Sent: Monday, May 19, 2003 10:06 AM
> To: elec-trak cosmos phy tufts edu
> Subject: (ET) mower blades
> 
> 
> Has anyone had any luck in finding a set of high-lift blades 
> to fit the 42"
> front mount mowing deck?  The blades I ordered from  Bill 
> Gunn have very
> little lift and the appearance of the lawn after cutting, 
> even with freshly
> sharpened blades, is disappointing.
> 
> If my measurements are correct, the blades look to be 14 1/2" 
> in length and
> the center hole seems to be about 5/16".  I can find 14 1/2" 
> blades but
> nothing with a center hole that small.
> 
> I tried mounting two blades on each motor, at right angles 
> with the fiber
> washer between them. It did give somewhat better lift and did 
> not seem to
> draw anymore current, but no matter how hard I tighten them 
> they will not
> stay perpendicular to each other and one will swing around 
> and stop directly
> under the other after mowing  row or two and them the 
> advantage of two is
> lost.
> 
> Gatorblades make a mulching blade that does not require a 
> closed deck.  I
> figure this would stop some of the back pressure and not draw as much
> current as a regular mulching blade would  with the discharge 
> chute blocked
> off.  I contacted them (gatorblade.com), but they said they 
> do not have that
> would fit.
> 
> Any suggestions?
> 
> Thanks,
> Barry
> 
> 
> E-15, Dayton, OH
> 
> ----- Original Message ----- 
> From: "Christopher Zach" <czach computer org>
> To: <wombat dssinternet net>; 
> <elec-trak cosmos phy tufts edu>; "Dave &
> Debbie Barden" <daveb seanet com>
> Sent: Monday, May 19, 2003 9:44 AM
> Subject: Re: (ET) ryobi
> 
> 
> > Well, the Prizm's running voltage is 300 volts at 52 
> amp-hours. Thus the
> > batteries are run in two strings of 25, connected at the ends by
> contactors.
> >
> > Pretty high voltage. However the car can *move* since the 
> batteries can
> > deliver 4C without sagging too much (200amp max draw at 300 
> volts is a lot
> > of power).
> >
> > The Hawker Genesis batteries are probably the best in the 
> business. They
> > will crank a V-8 motor without trouble, and I have used one 
> on my garden
> > tractor for a year with no trouble. I think the max current 
> you can draw
> on
> > them is something like a thousand amps. And they weigh only 
> 24 pounds
> each.
> > Small, compact, high power.
> >
> > I am thinking of wiring up three of the old ones together 
> and seeing how
> far
> > they take the Elec-trak (loaded with 6 volt batteries of 
> course :-) Based
> on
> > my calculations, six of them (two strings of 3) should 
> provide enough
> power
> > to run the tractor for 30 minutes or so.
> >
> > Chris
> >
> >
> >
> > ----- Original Message ----- 
> > From: "Dave & Debbie Barden" <daveb seanet com>
> > To: <czach computer org>; <wombat dssinternet net>;
> > <elec-trak cosmos phy tufts edu>
> > Sent: Monday, May 19, 2003 2:26 AM
> > Subject: Re: (ET) ryobi
> >
> >
> > > 54?!  how did you wire them, what's the pack voltage?
> > >
> > > this wkend I just got a sears cordless mower running that 
> I rescued from
> > the
> > > dump.  The 24v charger came in the mail friday, the 12v 
> sealed batts
> > measured
> > > 2.2volts each!  but after 2 days on the charger came up 
> to 12.7v.  I ran
> > it but
> > > only for a coupla seconds.  my charger did the same thing 
> only the green
> > > "ready" led ever lit up.  the red "charging" led never 
> has come on.
> > >
> > > there's not much grass here in my neighborhood here in 
> town to test it
> on
> > so
> > > I'll have to wait till next wkend when I bring it the 
> farm.  I plan to
> use
> > it
> > > for the lawn in close to the house and flower beds and 
> the E-trac on the
> > other
> > > 1/2 ac of lawn.
> > >
> > > dave
> > >
> > > > Could also be that after sitting for years the battery is fully
> > sulfated.
> > > >
> > > > If it's a 12 volt 26amp/hour battery then they cost $50 new from
> > > > www.surplusev.com. I just bought 54 of them for my electric car;
> really
> > nice
> > > > batteries. Have been thinking of trying to run the E20 
> with a set of
> six
> > of
> > > > them :-)
> > > >
> > > > Chris
> > > >
> > > > ----- Original Message ----- 
> > > > From: "Neil Dennis" <wombat dssinternet net>
> > > > To: "Elec-trak" <elec-trak cosmos phy tufts edu>
> > > > Sent: Monday, May 19, 2003 8:42 AM
> > > > Subject: (ET) ryobi
> > > >
> > > >
> > > > > I've got probably the same model, the battery 
> indicated "charged'
> > after
> > > > > running the charger for several hours but wouldn't 
> start the mower.
> > If
> > > > > I remember, I found an open connection somewhere, 
> after fixing, the
> > > > > mower would run with the charger plugged in but about 
> a minute on
> the
> > > > > batt.
> > > > >
> > > > > It sits in my garage, too cheap to try and find a new 
> batt, wonder
> > what
> > > > > they cost.
> > > > >
> > > > > wombat
> > > > >
> > > > >
> > > > >
> > > >
> > > >
> > > >
> > >
> > >
> > >
> > >
> > >
> >
> >
> 
>