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From: "Yasuyuki Ikehara" <vorfied-at-capital.net>
Subject: Re: Joe Sommer/Anvilus [TANKS]
Date: Thu, 6 Apr 2006 20:04:21 -0400
Reply-To: tanks-at-rctankcombat.com

I had some questions about the Anvilus controllers, but following this 
thread answered most of them for me...

If I understand correctly now, the coil circuit which powers the SSRs and 
the onboard electornics of the Anvilus Controller is completely separate 
from the 12v circuit used for the motors....  so I can have three separate 
circuits in my tank, one 12v for the motors, one for the gun elevation, 
rotation, trigger, and one for the RC controller and speed controller.... am 
I correct?

It sounds like its more complicated than it needs to be, but I'd like to 
incorporate safetys for each system as well as having them run on 
independent circuits so everything doesn't shut down when the motors drain 
the main 12v battery.

It also states that the same 12v battery powering the motors can power the 
coil... is there a minimum voltage for this?   like can I use one of those 
7.2v Nicad battery packs used in ordinary RC cars or build my own battery 
receptacle and have 4 AA batteries powering this?

Yasu Ikehara

----- Original Message ----- 
From: "Steve Tyng" <STyng-at-acptrust.com>
To: <tanks-at-rctankcombat.com>
Sent: Thursday, April 06, 2006 4:23 PM
Subject: RE: Joe Sommer/Anvilus [TANKS]

> Toast,
> Since your interested in the Anvilus Mini I'm assuming you are not going
> to be using proportional speed control.
> If your worried if the coils from three automotive relays in parallel
> will pull more than the 150ma that the Anvilus Mini driver can handle.
> You can always drive an intermediate relay between the Mini and your
> bank of relays.
> You had a question regarding the plating on the Mini.  The only current
> running through the Mini is the 5v logic current to power the onboard
> electronics and the 12v current to power off-board relays.  There is no
> appreciable current running through the Mini.
> FYI, an SSR and what we normally refer to as an 30/40A automotive relays
> are two different items.  An SSR is a Solid State Relay with no moving
> parts.  The ones most often used in the hobby are the Crydom D1D40's.
> SSR's can be PWM (pulse width modulated) to provide proportional speed
> control.  Standard automotive relays are either on or off.
> Concerning your target amperage requirements.  If your building a normal
> sized model (90 to 120 pound range) I don't think you will approach
> anywhere near the 120A level in normal operation.
> Steve Tyng