[simpits-tech] ACES II Replica, G-cueing Seat.
Chris Woodul
simpits-tech@simpits.org
Mon, 8 Jul 2002 18:47:19 -0500
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HI Brian,
I did some intital research on the web and found some items, Ill have to =
look them up. Most of what cranfeild has they keep close to their vest ( =
expensive proprietary research gave them thier algorythims)
I have a non- Discloseure signed with them.
They do have a website: www.cranfieldaerospace.com
I really enjoyed their place last month. I got to go on a test flight in =
a fully instrumented Bae Jestream and did some wild flying in it while =
getting to read the instruments.
They also have a full up 747 simulator with wide view visuals. Lots of =
toys there!
The 1800 psi was in reference to the older hydralic systems for G =
cueing....I agree with your terror in that!
IF 1800 psi line sprang a leak near you it would shoot hot high pressure =
toxic hydralic fluid into your body like a hot knife thru butter...not =
to mention hydralic things always leak. I spend way to much time making =
my cockpits look nice to introduce that crap into them!
I do know that the vertical axis must be capable of at least 40 hz ( =
fairly high performance for an actuator)
I would love to hear how your system turns out!
Just for reference, before I came along to cranfield, their systems cost =
well in excess of six figures...I gave them a lower cost option from =
buying a real ejection seat. They either got real ones or bought =
expensive replicas from a UK company ( NO MORE)
I forgot to send home a picture of my replica line of seats. I will try =
to do so tommorow. I had a very hectic day at work today!
CHeers,
Chris W
----- Original Message -----=20
From: Brian West.=20
To: Simpits-tech.=20
Sent: Monday, July 08, 2002 1:55 PM
Subject: [simpits-tech] ACES II Replica, G-cueing Seat.
Hi Chris, Many thanks for your detailed and thought provoking run =
down. It gives me quite a bit to ponder on.
Do you happen to know if Cranfield Aerospace put out any technical =
literature or have you come across any published research?
The system I have in mind is a closed loop with positive evacuation of =
each bladder using around 25psi. The thought of 1800psi made me =
involuntarily cross my legs. =20
Best regards, Brian West.
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<DIV><FONT face=3DArial size=3D2>HI Brian,</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>I did some intital research on the web =
and found=20
some items, Ill have to look them up. Most of what cranfeild has they =
keep close=20
to their vest ( expensive proprietary research gave them thier=20
algorythims)</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>I have a non- Discloseure signed with=20
them.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>They do have a website: <A=20
href=3D"http://www.cranfieldaerospace.com">www.cranfieldaerospace.com</A>=
</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>I really enjoyed their place last =
month. I got to=20
go on a test flight in a fully instrumented Bae Jestream and did some =
wild=20
flying in it while getting to read the instruments.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>They also have a full up 747 simulator =
with wide=20
view visuals. Lots of toys there!</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>The 1800 psi was in reference to the =
older hydralic=20
systems for G cueing....I agree with your terror in that!</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>IF 1800 psi line sprang a leak near you =
it would=20
shoot hot high pressure toxic hydralic fluid into your body like a hot =
knife=20
thru butter...not to mention hydralic things always leak. I spend way to =
much=20
time making my cockpits look nice to introduce that crap into =
them!</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>I do know that the vertical axis must =
be capable of=20
at least 40 hz ( fairly high performance for an actuator)</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>I would love to hear how your system =
turns=20
out!</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>Just for reference, before I came along =
to=20
cranfield, their systems cost well in excess of six figures...I gave =
them a=20
lower cost option from buying a real ejection seat. They either got real =
ones or=20
bought expensive replicas from a UK company ( NO MORE)</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>I forgot to send home a picture of my =
replica line=20
of seats. I will try to do so tommorow. I had a very hectic day at work=20
today!</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>CHeers,</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Chris W</FONT></DIV>
<DIV> </DIV>
<BLOCKQUOTE dir=3Dltr=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV=20
style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: =
black"><B>From:</B>=20
<A title=3Dbcw@palma.infotelecom.es =
href=3D"mailto:bcw@palma.infotelecom.es">Brian=20
West.</A> </DIV>
<DIV style=3D"FONT: 10pt arial"><B>To:</B> <A =
title=3DSimpits-tech@simpits.org=20
href=3D"mailto:Simpits-tech@simpits.org">Simpits-tech.</A> </DIV>
<DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Monday, July 08, 2002 =
1:55 PM</DIV>
<DIV style=3D"FONT: 10pt arial"><B>Subject:</B> [simpits-tech] ACES II =
Replica,=20
G-cueing Seat.</DIV>
<DIV><BR></DIV>
<DIV><FONT color=3D#000000 size=3D2>Hi Chris, Many thanks =
for your=20
detailed and thought provoking run down. It gives me quite a bit to =
ponder=20
on.</FONT></DIV>
<DIV><FONT color=3D#000000 size=3D2>Do you happen to know if Cranfield =
Aerospace=20
put out any technical literature or have you come across any published =
research?</FONT></DIV>
<DIV><FONT color=3D#000000 size=3D2>The system I have in mind is a =
closed loop=20
with positive evacuation of each bladder using around 25psi. The =
thought of=20
1800psi made me involuntarily cross my legs. </FONT></DIV>
<DIV><FONT color=3D#000000 size=3D2>Best regards, Brian=20
West.</FONT></DIV></BLOCKQUOTE></BODY></HTML>
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