RE: Future tankers from New Joizy #1

["Werner, Paul" <WernerP-at-AETNA.com>]

Steve,

I'll have to check on the batteries for characteristics. If I'm stay
with vehicle specs, the mount on the Elefant would be 14 degrees
right/left, 14 up, 8 down. I was figuring on a spring to counterbalance
the gun at the rear. Where should I look for the servos?

Frank,

Thanks for the offer on the bushings and the other info.

Will,

Could you provide an email address for shipping info and other secret
negotiations.




-----Original Message-----
From: tanks-admin-at-rctankcombat.com [mailto:tanks-admin-at-rctankcombat.com]
On Behalf Of Steve Tyng
Sent: Wednesday, May 05, 2004 2:11 AM
To: tanks-at-rctankcombat.com
Subject: RE: Future tankers from New Joizy #1


Paul wrote:

> I'm looking to generally replicate the
> transmissions of T002 or T005. Haven't been able to find 10 or 30
> tooth spockets to fit the 8mm shaft of the EV Warrior.

T005's transmission uses 3L series pulleys (3/8" wide belt) on the EV
Warriors.  I filled the pulley bores with epoxy past and then bored them
out with a 8mm bit.  It's been working fine so far.  My 35 series
sprockets were sourced from wmberg.com.

> Batteries - Gel Cells? What is battle life expectancy for these, an
> entire day? If vehicle chassis height permits, would a garden tractor
> battery be an alternative or is this too heavy?

Last year I used two 18amphr batteries per battle, swapping batteries
out about halfway through the battle (the tank holds one battery at a
time).  This year I'll have three for each battle.  I like to run around
and burn the amps!

Are garden tractor batteries deep cycle, or starter batteries?  You want
a deep cycle rated battery for this application.

> Anvilus motor controller - Would it make sense to use a second
> controller of this type for gun traverse on a SPG like an Elefant,
> adapting it 2 motors in an articulated mount?

I would think two 1/4 scale servos would be a better choice for moving
the mount around in a tank destroyer.  How much articulation are you
planning for, 10 to 20 degrees in either axis?  I'm using a 1/4 scale
servo on my elevate - works great.  On the vertical axis, make sure you
counter balance the marker with a spring or a weight on the barrel (a
spring is preferred) to lesson strain on the servo.

Steve Tyng




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