Aileron servos

Brian Young b4598070 at yahoo.com
Thu May 22 06:08:24 AKDT 2003


Anyone know where there is an online PDF file of the
JR servo chart? Somthing that has all the servos
summarized on the same document.


--- Adam Glatt <adam.g at sasktel.net> wrote:
> I recently switched from a 60oz/inch, 0.22sec/60deg
> digital servos in the ailerons (JR 3301) to
> 80oz/inch, 0.10sec/60deg digital servos (JR 8417). 
> Also, the 8417 weighs a full ounce more than the
> 3301, so I added two ounces of weight, and they cost
> quite a bit more.
>   I noticed a small improvement in rolling response,
> but a large improvement in snaps.  The plane will
> get up to full snapping rotation speed much sooner
> (especially on the P-03 45deg up snap, where the
> power is on and speed is high), and stop rotating
> much sooner.  The difference is probably 15 degrees
> less rotation with the 8417 after you end the snap
> inputs, and this makes it a lot easier to stop the
> snap where you are supposed to.
> 
> That's my experience. I think the lesson is that,
> regardless of weight, having servos with a speed of
> well under 0.2sec/60deg makes a big improvement.
> 
> Also, looking at JR, Futaba, and Hobbico servo
> lineup, I see many servos well under 0.2sec.
> 
> Adam Glatt
> (wishing someone had told him this before he bought
> the 3301s :)
> 


=====
Brian Young
Tulsa
b4598070 at yahoo.com
918-745-6046h
918-838-0900w

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