Re: RE: EV Warrior replacements [TANKS]

[adt22-at-drexel.edu]

Yes, thanks very much Joe.  I got two from surplus center before robotmarketplace 
snatches them up.

I've got one question - how did you handle the leads on the EV-X?  One is faster 
than the other, are they using resistance to slow down the first lead?

Next boat of oatmeal is on me :)
-Amir

----- Original Message -----
From: Rick v100 <rickv100-at-yahoo.com>
Date: Wednesday, February 9, 2005 8:44 am
Subject: RE: EV Warrior replacements [TANKS]

> I second that. I have saved your email for future
> reference. 
> 
> Rick 
> 
> --- Steve Tyng <STyng-at-acptrust.com> wrote:
> 
> > Joe,
> > 
> > Thanks for all the work.
> > 
> > Steve
> > 
> > 
> > 
> > > Subject: EV Warrior replacements [TANKS]
> > > 
> > > 
> > > 
> > > Kurt,
> > > 
> > > At 08:49 AM 2/3/2005 -0800, "KURT GUTBRODT"
> > <showa1-at-msn.com> wrote:
> > > >Thanks Joe....By the way, what's the scoop on the
> > secret MAG EV-X 
> > > >motors???
> > > 
> > > MAG tankers prefer EV Warrior (EVW) motors with
> > > 9:1 reduction.
> > > 
> > > Unfortunately for new guys, EVW's are very hard to
> > find.
> > > 
> > > Over the weekend, I tested four motors -
> > > 
> > > a 24V 300W scooter motor from Ebay (model MY1016)
> > > an EV-X from Surplus Center (item #10-1646) 
> > > www.surpluscenter.com a CW EVW a CCW EVW
> > > 
> > > My stall torque results for the EVW's do not match
> > > results at www.robotmarketplace.com because my
> > > batteries and wiring could not produce 200A. 
> > Stall torque
> > > for the CCW EVW is lower because I could only
> > > test stall torque CW.
> > > 
> > > Bottom line -
> > > 24V 300W scooter motors with 12:1 reduction
> > > or EV-X with 9:1 reduction are excellent
> > > replacements for EVW's with 9:1 reduction.
> > > 
> > > Detailed test results follow.
> > > 
> > > Joe
> > > 
> > > ++++++++++++++++++++++++++++++
> > > 
> > > 300W 24V scooter motor (MY-1016)
> > > 4 inch DIA body, four mounting feet with M6
> > threaded holes 
> > > reversible, two motor leads not connected to case
> > supplied 
> > > with 11T sprocket for #25 chain weight 4.2 lb
> > > 
> > > 12 VDC - test data
> > > 1830 rpm CW at 0.8 A
> > > 1730 rpm CCW at 0.7 A
> > > 27 in.lbf CW stall torque at 47 A
> > > 
> > > 24 VDC - test data
> > > 3600 rpm CW at 1.0 A
> > > 3480 rpm CCW at 0.9 A
> > > 36 in.lbf CW stall torque at 78 A
> > > 
> > > ++++++++++++++++++++++++++++++
> > > 
> > > EV-X
> > > 4.4 inch DIA body, three mounting lugs
> > > reversible, three motor leads
> > > weight 4.6 lb
> > > 
> > > 12 VDC - test data
> > > 2380 rpm CW at 2.4 A
> > > 2350 rpm CCW at 2.3 A
> > > 24 in.lbf CW stall torque at 60 A
> > > 
> > > 24 VDC - test data
> > > 4860 rpm CW at 3.1 A
> > > 4760 rpm CCW at 2.8 A
> > > 38 in.lbf CW stall torque at 96 A
> > > 
> > > ++++++++++++++++++++++++++++++
> > > 
> > > EVW CW
> > > 4 inch DIA body
> > > reversible, three motor tabs, one motor tab
> > connected to case 
> > > weight 3.2 lb
> > > 
> > > 12 VDC - test data
> > > 2660 rpm CW at 3.6 A
> > > 2290 rpm CCW at 2.8 A
> > > 30 in.lbf CW stall torque at 80 A
> > > 
> > > 24 VDC - test data
> > > 5630 rpm CW at 4.8 A
> > > 4630 rpm CCW at 3.8 A
> > > 36 in.lbf CW stall torque at 110 A
> > > 
> > > ++++++++++++++++++++++++++++++
> > > 
> > > EVW CCW
> > > 4 inch DIA body
> > > reversible, three motor tabs, one motor tab
> > connected to case 
> > > weight 3.2 lb
> > > 
> > > 12 VDC - test data
> > > 2300 rpm CW at 3.2 A
> > > 2690 rpm CCW at 4.1 A
> > > 25 in.lbf CW stall torque at 68 A
> > > 
> > > 24 VDC - test data
> > > 4600 rpm CW at 4.4 A
> > > 5600 rpm CCW at 5.5 A
> > > 29 in.lbf CW stall torque at 106 A
> > > 
> > > ++++++++++++++++++++++++++++++
> > > 
> > > EVW - data from Robot Marketplace
> > > 4 inch DIA body
> > > reversible, three motor tabs, one motor tab
> > connected to case 
> > > weight 3.2 lb
> > > 
> > > 12 VDC - data from Robot Marketplace
> > > 2210 rpm CW at 2.6 A
> > > 43 in.lbf stall torque at 99 A
> > > 
> > > 24 VDC - data from Robot Marketplace
> > > 4480 rpm CW at 2.6 A ???
> > > 87 in.lbf stall torque at 198 A
> > > 
> > > 
> > > **********************************************
> > > Joe Sommer, Anvilus Machine Works
> > > 2378 Nantucket Circle, State College, PA 16803
> > > 814.234.4773     anvilus9-at-adelphia.net
> > > http://www.anvilus.com
> > > 
> > >  
> > >  
> > >
> >
> **************************************************************
> > > **********************
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> > been 
> > > scanned by PineApp Mail-SeCure for the presence of
> > malicious 
> > > code, vandals & computer viruses.
> > >
> >
> **************************************************************
> > > **********************
> > > 
> > 
> 
> 
> 
>       
>               
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