REFLECTOR:S-Tec modifications
Al Gietzen
reflector@tvbf.org
Tue, 6 Apr 2004 09:03:30 -0700
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Fred,
Who did you talk to at S-Tec? Please send me the name and number. I=20
have the same problem and need to make the fix. I have been flying=20
for a year planning on fixing the S-Tec 30 but always keep putting it=20
off. When I spoke with someone in tech service at S-Tec they did not=20
seem to have a good answer. I guess you need to get the right person.
Jack
N55XL
=20
As I understand it, it is a matter of changing the gain, which can be =
done
by putting a resistance in the circuit, or changing (reducing) the level =
arm
of the servo. The amount of the resistance, or length of the arm =
depends on
your installation. Someone on here solved the problem by removing the
arm-plate, and bolting the pushrod directly to the hub. Be sure you =
take
measures to prevent it from going over-center.
=20
I drilled the servo arm very close to the hub, as far in as I could go =
and
still get the full travel that I needed. I'll eventually see how it =
works
when I fly. The advantage in wiring in the pot is you can adjust the
resistance until you get the response you want; then put in that fixed
value.
=20
Al =20
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<p class=3DMsoPlainText><font size=3D2 face=3DNimrod><span =
style=3D'font-size:11.0pt'>Fred,</span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3DNimrod><span =
style=3D'font-size:11.0pt'>Who
did you talk to at S-Tec? Please send me the name and number. I =
</span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3DNimrod><span =
style=3D'font-size:11.0pt'>have
the same problem and need to make the fix. I have been flying =
</span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3DNimrod><span =
style=3D'font-size:11.0pt'>for
a year planning on fixing the S-Tec 30 but always keep putting it =
</span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3DNimrod><span =
style=3D'font-size:11.0pt'>off.
When I spoke with someone in tech service at S-Tec they did not =
</span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3DNimrod><span =
style=3D'font-size:11.0pt'>seem
to have a good answer. I guess you need to get the right =
person.</span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3DNimrod><span =
style=3D'font-size:11.0pt'>Jack</span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3DNimrod><span =
style=3D'font-size:11.0pt'>N55XL</span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3DNimrod><span =
style=3D'font-size:11.0pt'> </span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3DVerdana><span =
style=3D'font-size:11.0pt;
font-family:Verdana'>As I understand it, it is a matter of changing the =
gain,
which can be done by putting a resistance in the circuit, or changing
(reducing) the level arm of the servo. The amount of the =
resistance, or
length of the arm depends on your installation. Someone on here solved =
the
problem by removing the arm-plate, and bolting the pushrod directly to =
the hub.
Be sure you take measures to prevent it from going =
over-center.</span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3DVerdana><span =
style=3D'font-size:11.0pt;
font-family:Verdana'> </span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3DVerdana><span =
style=3D'font-size:11.0pt;
font-family:Verdana'>I drilled the servo arm very close to the hub, as =
far in
as I could go and still get the full travel that I needed. =
I’ll
eventually see how it works when I fly. The advantage in wiring in =
the
pot is you can adjust the resistance until you get the response you =
want; then
put in that fixed value.</span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3DVerdana><span =
style=3D'font-size:11.0pt;
font-family:Verdana'> </span></font></p>
<p class=3DMsoPlainText><font size=3D2 face=3DVerdana><span =
style=3D'font-size:11.0pt;
font-family:Verdana'>Al </span></font></p>
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