[simpits-tech] May the Force Feedback be with you...

Craig Rochester simpits-tech@simpits.org
Tue, 4 Feb 2003 20:36:58 -0500


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Sorry,

The URLs are so long they get chopped off.   You can cut and paste the rest of the line into your browser's
address bar.  I'll try using HTML format:

My Mods:
http://pages.zdnet.com/johncraigrochester/sitebuildercontent/sitebuilderpictures/servo_regulator.jpg
http://pages.zdnet.com/johncraigrochester/sitebuildercontent/sitebuilderpictures/new_gsuit_regulator.jpg

Manufacturer's site:
http://www.fairchildproducts.com/ic/products_pdf.asp?table=fip_pprpdf&type=Pnuematic+Pressure+Regulators


Craig R.

-----Original Message-----
From: simpits-tech-admin@simpits.org
[mailto:simpits-tech-admin@simpits.org]On Behalf Of Keenan Akin
Sent: Tuesday, February 04, 2003 8:13 PM
To: simpits-tech@simpits.org
Subject: Re: [simpits-tech] May the Force Feedback be with you...


Craig,  I can't get your links to work.

Keenan


Craig Rochester wrote:

>Here are a couple of pics:
>http://pages.zdnet.com/johncraigrochester/sitebuildercontent/sitebuilderpict
>ures/servo_regulator.jpg
>http://pages.zdnet.com/johncraigrochester/sitebuildercontent/sitebuilderpict
>ures/new_gsuit_regulator.jpg
>
>This is a rig to get the G-force data from Falcon and pressurize a G-Suit.
>You won't need the white contraption in the second pic, that's just to dump
>air at very low pressures.
>
>Go to this site and click the "download" button for "Model 10 Series" :
>http://www.fairchildproducts.com/ic/products_pdf.asp?table=fip_pprpdf&type=P
>nuematic+Pressure+Regulators
>
>Read the "OPERATING PRINCIPLES" section.
>
>All I do is take the treaded rod out of the top and replace it with a solid
>rod.  Then I mount the servo rig like in the pics.  The eccentrically
>mounted bearing has the servo arm epoxied inside.
>
>Craig R.
>
>
>-----Original Message-----
>From: simpits-tech-admin@simpits.org
>[mailto:simpits-tech-admin@simpits.org]On Behalf Of Akin, Keenan L
>Sent: Tuesday, February 04, 2003 2:54 PM
>To: simpits-tech@simpits.org
>Subject: RE: [simpits-tech] May the Force Feedback be with you...
>
>
>Craig,
>
>Have you modified a regulator to do that?  If so, can you enlighten me?
>
>Keenan
>
>
>-----Original Message-----
>From: Craig Rochester [mailto:johncraigroch@msn.com]
>Sent: Tuesday, February 04, 2003 1:45 PM
>To: simpits-tech@simpits.org
>Subject: RE: [simpits-tech] May the Force Feedback be with you...
>
>
>Ok, I see...  You'll waste a lot of air.  Modifying a regulator to do the
>same thing is pretty easy, and you only use a fraction of the air.
>
>-----Original Message-----
>From: simpits-tech-admin@simpits.org
>[mailto:simpits-tech-admin@simpits.org]On Behalf Of Akin, Keenan L
>Sent: Tuesday, February 04, 2003 2:26 PM
>To: simpits-tech@simpits.org
>Subject: RE: [simpits-tech] May the Force Feedback be with you...
>
>
>Maybe I shouldn't say "3-way".  It is more of a shuttle valve that is
>normally closed.  Positive polarity ports one direction, negative the other.
>
>-----Original Message-----
>From: Craig Rochester [mailto:johncraigroch@msn.com]
>Sent: Tuesday, February 04, 2003 1:16 PM
>To: simpits-tech@simpits.org
>Subject: RE: [simpits-tech] May the Force Feedback be with you...
>
>
>I don't understand how this works.
>
>A 3-way solenoid has 2 states: energized and not.  There are three ports
>"A", "B", and "C"= common.  In first state "A" to "C" is open and "B" is
>closed.  In the second state "B" to "C" is open and "A" is closed.  See
>attached.
>
>Craig R.
>
>
>
>-----Original Message-----
>From: simpits-tech-admin@simpits.org
>[mailto:simpits-tech-admin@simpits.org]On Behalf Of Akin, Keenan L
>Sent: Tuesday, February 04, 2003 1:17 PM
>To: SIMPITS
>Subject: [simpits-tech] May the Force Feedback be with you...
>
>
>Okay folks,
>
>Here is my current concept of a pneumatic force feedback actuator for my
>pit.  There would be two of these actuators attached to the stick (one pitch
>axis, one roll axis).
>
> <<ffactuator.gif>>
>The servo driven valve uses airspeed data to modulate the airflow from one
>side of the cylinder to the other (caused by moving the stick).  For
>example, at higher airspeeds, the flow will be restricted, causing the stick
>to be harder to move.
>
>The solenoid valve ports pressurized air to one side of the cylinder or to
>the other only when a force feedback signal directs it.  Otherwise, it is
>closed.
>
>Thoughts?  Questions?
>
>Keenan
>_______________________________________________
>Simpits-tech mailing list
>Simpits-tech@simpits.org
>http://www.simpits.org/mailman/listinfo/simpits-tech
>To unsubscribe, please see the instructions at the bottom of the above page.
>Thanks!
>
>
>_______________________________________________
>Simpits-tech mailing list
>Simpits-tech@simpits.org
>http://www.simpits.org/mailman/listinfo/simpits-tech
>To unsubscribe, please see the instructions at the bottom of the above page.
>Thanks!
>_______________________________________________
>Simpits-tech mailing list
>Simpits-tech@simpits.org
>http://www.simpits.org/mailman/listinfo/simpits-tech
>To unsubscribe, please see the instructions at the bottom of the above page.
>Thanks!
>
>
>_______________________________________________
>Simpits-tech mailing list
>Simpits-tech@simpits.org
>http://www.simpits.org/mailman/listinfo/simpits-tech
>To unsubscribe, please see the instructions at the bottom of the above page.  Thanks!
>
>.
>


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<BODY>
<P><FONT size=3D2>Sorry,<BR><BR>The URLs are so long they get chopped=20
off.&nbsp;&nbsp; You can cut and paste the rest of the line into your =
browser's=20
address bar.&nbsp; I'll try using HTML format:</FONT></P>
<P><FONT size=3D2>My Mods:<BR><A=20
href=3D"http://pages.zdnet.com/johncraigrochester/sitebuildercontent/site=
builderpictures/servo_regulator.jpg"=20
target=3D_blank><FONT=20
color=3D#000000>http://pages.zdnet.com/johncraigrochester/sitebuildercont=
ent/sitebuilderpictures/servo_regulator.jpg</FONT></A><BR><A=20
href=3D"http://pages.zdnet.com/johncraigrochester/sitebuildercontent/site=
builderpictures/new_gsuit_regulator.jpg"=20
target=3D_blank><FONT=20
color=3D#000000>http://pages.zdnet.com/johncraigrochester/sitebuildercont=
ent/sitebuilderpictures/new_gsuit_regulator.jpg</FONT></A><BR><BR>Manufac=
turer's=20
site:<BR><A=20
href=3D"http://www.fairchildproducts.com/ic/products_pdf.asp?table=3Dfip_=
pprpdf&amp;type=3DPnuematic+Pressure+Regulators"=20
target=3D_blank><FONT=20
color=3D#000000>http://www.fairchildproducts.com/ic/products_pdf.asp?tabl=
e=3Dfip_pprpdf&amp;type=3DPnuematic+Pressure+Regulators</FONT></A><BR></F=
ONT></P>
<P><FONT size=3D2><FONT face=3DArial>Craig =
R.</FONT><BR><BR>-----Original=20
Message-----<BR>From: simpits-tech-admin@simpits.org<BR>[<A=20
href=3D"mailto:simpits-tech-admin@simpits.org"=20
target=3D_blank>mailto:simpits-tech-admin@simpits.org</A>]On Behalf Of =
Keenan=20
Akin<BR>Sent: Tuesday, February 04, 2003 8:13 PM<BR>To:=20
simpits-tech@simpits.org<BR>Subject: Re: [simpits-tech] May the Force =
Feedback=20
be with you...<BR><BR><BR>Craig,&nbsp; I can't get your links to=20
work.<BR><BR>Keenan<BR><BR><BR>Craig Rochester wrote:<BR><BR>&gt;Here =
are a=20
couple of pics:<BR>&gt;<A=20
href=3D"http://pages.zdnet.com/johncraigrochester/sitebuildercontent/site=
builderpict"=20
target=3D_blank>http://pages.zdnet.com/johncraigrochester/sitebuildercont=
ent/sitebuilderpict</A><BR>&gt;ures/servo_regulator.jpg<BR>&gt;<A=20
href=3D"http://pages.zdnet.com/johncraigrochester/sitebuildercontent/site=
builderpict"=20
target=3D_blank>http://pages.zdnet.com/johncraigrochester/sitebuildercont=
ent/sitebuilderpict</A><BR>&gt;ures/new_gsuit_regulator.jpg<BR>&gt;<BR>&g=
t;This=20
is a rig to get the G-force data from Falcon and pressurize a =
G-Suit.<BR>&gt;You=20
won't need the white contraption in the second pic, that's just to=20
dump<BR>&gt;air at very low pressures.<BR>&gt;<BR>&gt;Go to this site =
and click=20
the "download" button for "Model 10 Series" :<BR>&gt;<A=20
href=3D"http://www.fairchildproducts.com/ic/products_pdf.asp?table=3Dfip_=
pprpdf&amp;type=3DP"=20
target=3D_blank>http://www.fairchildproducts.com/ic/products_pdf.asp?tabl=
e=3Dfip_pprpdf&amp;type=3DP</A><BR>&gt;nuematic+Pressure+Regulators<BR>&g=
t;<BR>&gt;Read=20
the "OPERATING PRINCIPLES" section.<BR>&gt;<BR>&gt;All I do is take the =
treaded=20
rod out of the top and replace it with a solid<BR>&gt;rod.&nbsp; Then I =
mount=20
the servo rig like in the pics.&nbsp; The eccentrically<BR>&gt;mounted =
bearing=20
has the servo arm epoxied inside.<BR>&gt;<BR>&gt;Craig=20
R.<BR>&gt;<BR>&gt;<BR>&gt;-----Original Message-----<BR>&gt;From:=20
simpits-tech-admin@simpits.org<BR>&gt;[<A=20
href=3D"mailto:simpits-tech-admin@simpits.org"=20
target=3D_blank>mailto:simpits-tech-admin@simpits.org</A>]On Behalf Of =
Akin,=20
Keenan L<BR>&gt;Sent: Tuesday, February 04, 2003 2:54 PM<BR>&gt;To:=20
simpits-tech@simpits.org<BR>&gt;Subject: RE: [simpits-tech] May the =
Force=20
Feedback be with =
you...<BR>&gt;<BR>&gt;<BR>&gt;Craig,<BR>&gt;<BR>&gt;Have you=20
modified a regulator to do that?&nbsp; If so, can you enlighten=20
me?<BR>&gt;<BR>&gt;Keenan<BR>&gt;<BR>&gt;<BR>&gt;-----Original=20
Message-----<BR>&gt;From: Craig Rochester [<A=20
href=3D"mailto:johncraigroch@msn.com"=20
target=3D_blank>mailto:johncraigroch@msn.com</A>]<BR>&gt;Sent: Tuesday, =
February=20
04, 2003 1:45 PM<BR>&gt;To: simpits-tech@simpits.org<BR>&gt;Subject: RE: =

[simpits-tech] May the Force Feedback be with =
you...<BR>&gt;<BR>&gt;<BR>&gt;Ok,=20
I see...&nbsp; You'll waste a lot of air.&nbsp; Modifying a regulator to =
do=20
the<BR>&gt;same thing is pretty easy, and you only use a fraction of the =

air.<BR>&gt;<BR>&gt;-----Original Message-----<BR>&gt;From:=20
simpits-tech-admin@simpits.org<BR>&gt;[<A=20
href=3D"mailto:simpits-tech-admin@simpits.org"=20
target=3D_blank>mailto:simpits-tech-admin@simpits.org</A>]On Behalf Of =
Akin,=20
Keenan L<BR>&gt;Sent: Tuesday, February 04, 2003 2:26 PM<BR>&gt;To:=20
simpits-tech@simpits.org<BR>&gt;Subject: RE: [simpits-tech] May the =
Force=20
Feedback be with you...<BR>&gt;<BR>&gt;<BR>&gt;Maybe I shouldn't say=20
"3-way".&nbsp; It is more of a shuttle valve that is<BR>&gt;normally=20
closed.&nbsp; Positive polarity ports one direction, negative the=20
other.<BR>&gt;<BR>&gt;-----Original Message-----<BR>&gt;From: Craig =
Rochester=20
[<A href=3D"mailto:johncraigroch@msn.com"=20
target=3D_blank>mailto:johncraigroch@msn.com</A>]<BR>&gt;Sent: Tuesday, =
February=20
04, 2003 1:16 PM<BR>&gt;To: simpits-tech@simpits.org<BR>&gt;Subject: RE: =

[simpits-tech] May the Force Feedback be with =
you...<BR>&gt;<BR>&gt;<BR>&gt;I=20
don't understand how this works.<BR>&gt;<BR>&gt;A 3-way solenoid has 2 =
states:=20
energized and not.&nbsp; There are three ports<BR>&gt;"A", "B", and =
"C"=3D=20
common.&nbsp; In first state "A" to "C" is open and "B" =
is<BR>&gt;closed.&nbsp;=20
In the second state "B" to "C" is open and "A" is closed.&nbsp;=20
See<BR>&gt;attached.<BR>&gt;<BR>&gt;Craig=20
R.<BR>&gt;<BR>&gt;<BR>&gt;<BR>&gt;-----Original =
Message-----<BR>&gt;From:=20
simpits-tech-admin@simpits.org<BR>&gt;[<A=20
href=3D"mailto:simpits-tech-admin@simpits.org"=20
target=3D_blank>mailto:simpits-tech-admin@simpits.org</A>]On Behalf Of =
Akin,=20
Keenan L<BR>&gt;Sent: Tuesday, February 04, 2003 1:17 PM<BR>&gt;To:=20
SIMPITS<BR>&gt;Subject: [simpits-tech] May the Force Feedback be with=20
you...<BR>&gt;<BR>&gt;<BR>&gt;Okay folks,<BR>&gt;<BR>&gt;Here is my =
current=20
concept of a pneumatic force feedback actuator for my<BR>&gt;pit.&nbsp; =
There=20
would be two of these actuators attached to the stick (one =
pitch<BR>&gt;axis,=20
one roll axis).<BR>&gt;<BR>&gt; =
&lt;&lt;ffactuator.gif&gt;&gt;<BR>&gt;The servo=20
driven valve uses airspeed data to modulate the airflow from =
one<BR>&gt;side of=20
the cylinder to the other (caused by moving the stick).&nbsp;=20
For<BR>&gt;example, at higher airspeeds, the flow will be restricted, =
causing=20
the stick<BR>&gt;to be harder to move.<BR>&gt;<BR>&gt;The solenoid valve =
ports=20
pressurized air to one side of the cylinder or to<BR>&gt;the other only =
when a=20
force feedback signal directs it.&nbsp; Otherwise, it=20
is<BR>&gt;closed.<BR>&gt;<BR>&gt;Thoughts?&nbsp;=20
Questions?<BR>&gt;<BR>&gt;Keenan<BR>&gt;_________________________________=
______________<BR>&gt;Simpits-tech=20
mailing list<BR>&gt;Simpits-tech@simpits.org<BR>&gt;<A=20
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BR>&gt;To=20
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