Re: turret rotational speed [TANKS]

["rcdude gt" <rcmac143-at-hotmail.com>]

I never taught about the slack in the chain and difficulty aiming.  I will 
consider a timing belt system
with this propotional speed control 
http://cgi.ebay.com/50A-100A-Max-Electronic-Speed-Controller-For-Boats_W0QQitemZ260033174518QQihZ016QQcategoryZ34058QQrdZ1QQssPageNameZWD1VQQcmdZViewItem

>From: <adt22-at-drexel.edu>
>Reply-To: tanks-at-rctankcombat.com
>To: tanks-at-rctankcombat.com
>Subject: Re: turret rotational speed [TANKS]
>Date: Sat, 03 Feb 2007 16:50:29 -0500
>
>Some things to keep in mind:
>
>* its 35rpm at 24v (presumably thats what you'll be running at)
>* a chain drive usually has a little slack in it when stopping, starting, 
>or reversing.  I haven't tried it, but I think that would be annoying if 
>you're trying to fine tune your aim
>
>I'd use at least a 30t sprocket on the turret, giving you ~11rpm
>
>-Amir
>
>----- Original Message -----
>From: rcdude gt <rcmac143-at-hotmail.com>
>Date: Saturday, February 3, 2007 3:08 pm
>Subject: turret rotational speed [TANKS]
>
> > I plan use a big sprocket under the turret turn by a 35 rpm motor
> > by chain.
> > I would be using 10t motor sprocket, I would like to know roughly
> > what size
> > sprocket should I used under the turret to give a realistic speed?
> >
> > http://www.surpluscenter.com/item.asp?UID=2007012023320715&item=5-
> > 1257&catname=
> >
> >
>