RE: EV Warrior replacements [TANKS]

["Steve Tyng" <STyng-at-ACPTrust.com>]

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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