RE: Motors to replace the EV Warriors [TANKS]

[himself-at-adamwells.net]

After the fire?? Do you mean a fire caused by the motor heat?

Quoting Steve Gusikoski <stemc03-at-telus.net>:

> My first motor trial was with 2 Dewalt 12v. Tank weight was about 100lbs,
> the motors would pull about 20 amps straight line driving, stall current was
> about 120amps. Lots of power in a little motor but they got really really
> hot in a short time. After the fire I upgraded to wheelchair motors but in a
> light tank like a Hetzer you might be OK.
> 
> Steve (T014)
> 
> -----Original Message-----
> From: tanks-admin-at-rctankcombat.com [mailto:tanks-admin-at-rctankcombat.com] On
> Behalf Of himself-at-adamwells.net
> Sent: Sunday, December 18, 2005 10:24 AM
> To: tanks-at-rctankcombat.com
> Subject: Re: Motors to replace the EV Warriors [TANKS]
> 
> No clue. DeWalt doesn't publish that information, so somebody would need to
> actually test one and find out.
> 
>  Quoting Michael Kouridakis <mrdingleberry-at-comcast.net>:
> 
> > Any idea of the current under load on these?
> > Mike
> > ----- Original Message -----
> > From: <himself-at-adamwells.net>
> > To: <tanks-at-rctankcombat.com>
> > Sent: Sunday, December 18, 2005 11:52 AM
> > Subject: Re: Motors to replace the EV Warriors [TANKS]
> >
> >
> > > I'd just like to correct my previous statement. The "new" DeWalt 12 volt
> > motors
> > > (Part number 396505-20) are able to put out 33 ft lbs, not 29. So, they
> > spin
> > > about 84% faster in low gear than the 12 volt EV Warrior with 1:9
> > reduction and
> > > put out identical torque.
> > >
> > > Quoting himself-at-adamwells.net:
> > >
> > > > Well, I had originally decided to build a Panzer II, and I ordered two
> > 12
> > > > volt
> > > > Dewalt motors with matching three speed gear boxes from
> robotcombat.com,
> > > > along
> > > > with drive shafts to fit them from teamdelta.com. I have to say that
> > size
> > > > wise
> > > > drill motors seem like the ideal solution for powering low profile
> > tanks. I
> > > > decided to steer clear of the 24 volt versions, since their increased
> > power
> > > > comes with a doubling in battery weight and I was shooting for a fully
> > loaded
> > > > weight of 50 lbs with the Panzer II.
> > > >
> > > > I've since decided to drop the Panzer II idea for a 36" (1:7.25 scale)
> > T-62,
> > > > since it'd be a more well rounded tank for my first build (40/4
> rating,
> > > > compared to 30/2 rating). So, I guess I'll find out soon enough if the
> > 12
> > > > volt
> > > > drill motors can power a MBT. I will point out that the 12 volt DeWalt
> > with
> > > > it's gearbox (450 RPM - 29 foot lbs) seems to have more potential than
> > the EV
> > > > Warrior on 12 volts with the 1:9 ratio (246 rpm - 32 foot lbs)  that
> > seems to
> > > > be the standard. The DeWalt could be geared down to the same RPM and
> be
> > > > putting
> > > > out over 50 foot lbs.
> > > >
> > > > Quoting Bruder John R LTC USA NORAD USNORTHCOM J22
> > > > <John.Bruder-at-northcom.mil>:
> > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > Classification: UNCLASSIFIED
> > > > >
> > > > > What motors out there are good replacements for the EV Warriors?  I
> > found a
> > > > > few scooter motors that are close, but are only about 2700 RPMs at
> 24
> > > > volts.
> > > > > Seems kind of slow at $30.00 each.  I have seen tanks with 12 volt
> > drill
> > > > > motors being used.  How do they hold up and are they only used in
> > light
> > > > tanks
> > > > > like the Hetzer?
> > > > >
> > > > > What would others recommend?
> > > > >
> > > > > Thanks,
> > > > >
> > > > > John
> > > > >
> > > > > John R. Bruder
> > > > > LTC, USA
> > > > > Intelligence Chief
> > > > > Bi-National Planning Group
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > >
> > >
> > >
> > >
> > >
> > >
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> 
> 
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