PsychoBob 0 #1 July 28, 2005 Shuttle docks at space station after backflip for belly photo Robert Lusetich, Los Angeles correspondent July 29, 2005 SPACE shuttle Discovery docked at the international space station last night after performing an unprecedented backflip to allow those aboard the outpost to photograph the shuttle's belly for signs of damage."I'm not a gynecologist but I will take a look at it" RB #1295, Smokey Sister #1, HellFish #658, Dirty Sanchez #194, Muff Brothers #3834, POPS #9614, Orfun Foster-Parent?" Quote Share this post Link to post Share on other sites
leroydb 0 #2 July 28, 2005 bet the pilot was sweating on that manouverLeroy ..I knew I was an unwanted baby when I saw my bath toys were a toaster and a radio... Quote Share this post Link to post Share on other sites
billvon 3,120 #3 July 28, 2005 >bet the pilot was sweating on that manouver It's orbit. Doesn't really matter what attitude you're in. Quote Share this post Link to post Share on other sites
leroydb 0 #4 July 28, 2005 so could you do it?Leroy ..I knew I was an unwanted baby when I saw my bath toys were a toaster and a radio... Quote Share this post Link to post Share on other sites
Beerlight 0 #5 July 29, 2005 Quotebet the pilot was sweating on that manouver nah, bet her heartrate didn't even go up 1 bpm.... She is one cool lady..... and nice too! Quote Share this post Link to post Share on other sites
AggieDave 6 #6 July 29, 2005 Quote It's orbit. Doesn't really matter what attitude you're in. I've actually heard something like that coming from a low timer FFer who couldn't stay still or hold a heading.--"When I die, may I be surrounded by scattered chrome and burning gasoline." Quote Share this post Link to post Share on other sites
billvon 3,120 #7 August 2, 2005 >so could you do it? Do what? Pitch over? Of all the things to learn about spaceflight, static attitude control is one of the easier ones. Quote Share this post Link to post Share on other sites
leroydb 0 #8 August 2, 2005 really? do tellLeroy ..I knew I was an unwanted baby when I saw my bath toys were a toaster and a radio... Quote Share this post Link to post Share on other sites
bodypilot1 0 #9 August 2, 2005 QuoteSpace Shuttle Goes to the darkside and does some Free-flying before RW with space station So I guess that means students are Freeflying when we make them do a back flips during their training? Be safe. Edwww.WestCoastWingsuits.com www.PrecisionSkydiving.com Quote Share this post Link to post Share on other sites
billvon 3,120 #10 August 2, 2005 >really? do tell There are three basic axes in any aerospace vehicle - pitch, roll and yaw. Pitch is nose up and down. Roll is rolling around the long axis of an aircraft. Yaw is tail back and forth. In an airplane, pitch is related to airspeed - pull the nose up and you slow down. It is indirectly related to altitude. Pull the nose up, and assuming you have enough power, you will climb. If you pull it up too much you stall. Pitch is controlled via the yoke/stick - push down to put the nose down. Roll is how most aircraft turn. You bank the plane with the yoke/stick, the lift vector changes to the side, and the new lift vector pulls you into a turn. If you roll too far, there's no more vertical lift component, and you cannot maintain altitude. If you roll even farther it pulls you _downwards_ which can be bad. Yaw helps coordinate turns. The rudder pedals control yaw. Push on one and the tail swings one way. You need rudder for mainly two reasons. One, when you drop an aileron to increase lift to start a bank, that creates more drag, and the tail 'goes the wrong way' as a result. Coordinated use of rudder therefore makes for smoother turns. Also, at high power settings, several factors make the nose of the plane want to swing left. Right rudder prevents this. I listed all that because it's important to understand the relationships between all those axes in airplanes. In a word, they're complicated. Now on to the shuttle: The RHC (rotational hand controller) is the stick the pilot uses to control attitude on the shuttle. If the DAP (digital autopilot) is in manual pulse mode, then you push forward to pitch down. Return the controller to zero and pitching stops. Push left to roll left; release to stop. Twist the stick left and you yaw left. Release it and it stops. None of these are 'coupled' - if you roll, there's no adverse yaw, and if you pitch, there's no airspeed change. So to do a 360 roll in the shuttle? Make sure the DAP is in the right mode, push the stick right about halfway, then wait until you have done a 360, then let it go. To pitch over? Same thing. (Disclaimer - although I'm a pilot I have never flown a spacecraft of any sort, and thus am relying on NASA documentation and conversations with astronauts for the background.) Quote Share this post Link to post Share on other sites
shropshire 0 #11 August 2, 2005 QuotePush left to roll left; release to stop. Twist the stick left and you roll left. Hi Bill, Is this a typo or does pushing and twisting really do the same thing? (.)Y(.) Chivalry is not dead; it only sleeps for want of work to do. - Jerome K Jerome Quote Share this post Link to post Share on other sites
billvon 3,120 #12 August 2, 2005 >Is this a typo or does pushing and twisting really do the same thing? oops! Yeah, twist is yaw and push (i.e. tilting the stick) is roll/pitch. Quote Share this post Link to post Share on other sites
rehmwa 2 #13 August 2, 2005 QuoteSpace Shuttle Goes to the darkside The "dark side" is CrW and I believe that doesn't happen until shortly following reentry. ... Driving is a one dimensional activity - a monkey can do it - being proud of your driving abilities is like being proud of being able to put on pants Quote Share this post Link to post Share on other sites
jumper03 0 #14 August 2, 2005 QuoteQuoteSpace Shuttle Goes to the darkside The "dark side" is CrW and I believe that doesn't happen until shortly following reentry. Wouldn't you say the ISS and Space Shuttle are doing zero-G crw right now? They've got a good solid dock right now...Scars remind us that the past is real Quote Share this post Link to post Share on other sites
leroydb 0 #15 August 2, 2005 thank you for the informational replyLeroy ..I knew I was an unwanted baby when I saw my bath toys were a toaster and a radio... Quote Share this post Link to post Share on other sites
