Re: Door Latch Actuators

[Joe Sommer <anvilus9-at-adelphia.net>]

Frank and Amir,

At 09:45 PM 9/15/2004 -0400, Frank Pittelli <frank-at-rctankcombat.com> wrote:
>They are relatively small 12v motors (standard 380 cases), so they don't 
>draw a lot of current even when stalled, but I'm not sure of 500 mA will 
>suffice.  It's probably an amp or two when stalled.  I'll take some 
>measurements when the new ones arrive or John's Pak40 returns to the shop.

I thought that they were solenoids with
spring return.  If they are motors, you will
need reversing capability.

Keep me posted when they arrive.

>It would probably be best to use your RC Trigger circuit to drive a small 
>5 amp relay that drives the actuator.

no problem

Do you have a favorite model of 5A relay that
you prefer?

>   In fact, the best solution would be to modify the software for your RC 
> Trigger so that it only fires for a set time period when activated (say 
> 500 ms).  That will ensure that the actuator is not stalled for too long 
> a period of time.

no problem

500 ms seems a bit long.  That only provides fire
rate of 2 bps.

Joe


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Joe Sommer
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