Author Topic: LIVE: SpaceX Falcon 1 Launch 5 (RazakSat) - July 13/14 (Read 361259 times)

Ronsmytheiii · « **Reply #660 on:** 07/14/2009 03:52 am »

Quote from: jaythehokie on 07/14/2009 03:51 am

am i wrong or has there not been a successful re-firing of the Kestrel engine before? More uncharted territory to forge through before builiding on that reputation Launch 4 gained the company...

Best of luck to SpaceX!!

They did on flight 4 to test the relight

rsnellenberger · « **Reply #661 on:** 07/14/2009 03:52 am »

Quote from: jaythehokie on 07/14/2009 03:51 am

am i wrong or has there not been a successful re-firing of the Kestrel engine before? More uncharted territory to forge through before builiding on that reputation Launch 4 gained the company...

Best of luck to SpaceX!!

I'm pretty sure they fired the Kestrel back up on the last flight...

daver · « **Reply #662 on:** 07/14/2009 03:52 am »

WTG SpaceX

Peter NASA · « **Reply #663 on:** 07/14/2009 03:52 am »

I would have liked it, for confidence, for them to show second stage's second burn.

NUAETIUS · « **Reply #664 on:** 07/14/2009 03:52 am »

Quote from: jaythehokie on 07/14/2009 03:51 am

am i wrong or has there not been a successful re-firing of the Kestrel engine before? More uncharted territory to forge through before builiding on that reputation Launch 4 gained the company...

Best of luck to SpaceX!!

Relight was completed on the last launch

vt_hokie · « **Reply #665 on:** 07/14/2009 03:53 am »

Quote from: ugordan on 07/14/2009 03:50 am

Looked good so far, but that wobbling made me nervous.

Me too...more oscillation than I expected pretty much throughout the entire launch!

R.Simko · « **Reply #666 on:** 07/14/2009 03:53 am »

YEEEEEHAAAAAA, Way to go SpaceX. Looks like 2 in a row.

jaythehokie · « **Reply #667 on:** 07/14/2009 03:54 am »

okay... I guess I missed it on the webcast... everyone was so excited they acheived orbit for the first time i guess it kinda got lost in the shuffle. no worries! Go SpaceX!! Go RazakSAT!!

Chandonn · « **Reply #668 on:** 07/14/2009 03:54 am »

Quote from: 51D Mascot on 07/14/2009 03:51 am

Will they do a rebroadcast of the launch video at some point?

It should show up on their website. My live feed kept freezing and restarting minutes ahead of where it was. Very buggy stream here.

kevin-rf · « **Reply #669 on:** 07/14/2009 03:55 am »

Quote from: Peter NASA on 07/14/2009 03:52 am

I would have liked it, for confidence, for them to show second stage's second burn.

Wonder if they would have any telemetry for the second burn, sounds like it will be half way arround the world over africa when the burn occurs.

jabe · « **Reply #670 on:** 07/14/2009 03:55 am »

hands up on who is staying up to see when they let us know how second stage reignition goes?

well done so far Spacex..
jb

DaveS · « **Reply #671 on:** 07/14/2009 03:57 am »

Quote from: kevin-rf on 07/14/2009 03:55 am

Quote from: Peter NASA on 07/14/2009 03:52 am
I would have liked it, for confidence, for them to show second stage's second burn.

Wonder if they would have any telemetry for the second burn, sounds like it will be half way arround the world over africa when the burn occurs.

Second burn should be over Ascension Island.

stockman · « **Reply #672 on:** 07/14/2009 03:57 am »

Quote from: kevin-rf on 07/14/2009 03:55 am

Quote from: Peter NASA on 07/14/2009 03:52 am
I would have liked it, for confidence, for them to show second stage's second burn.

Wonder if they would have any telemetry for the second burn, sounds like it will be half way arround the world over africa when the burn occurs.

flight 4 had telemetry and 3-4 seconds of video of the restart. I would imagine they would want to get that data confirmed for their customer as soon as it occurs.

Andrewwski · « **Reply #673 on:** 07/14/2009 03:58 am »

I have video recorded, it's going to take me a little while to get it up as it was one weird feed. Check the video section later.

kevin-rf · « **Reply #674 on:** 07/14/2009 03:58 am »

Let's see, awake at work in the morning and keeping job, vs. this ... Tough choice... Way to go spaceX. Good launch.

Now if they read NSF, next launch at a reasonable hour for us east coasters

stockman · « **Reply #675 on:** 07/14/2009 04:01 am »

Well congrats on what looked like a very routine F1 flight (if two succesful flights qualifies as routine).. I must say I miss the cheering crowd back at SpaceX.. I always thought that added some fun and emotion to these events.. This launch was a bit more anticeptic.. just glad it made it ok... (pending second burn and satellite release of course)

butters · « **Reply #676 on:** 07/14/2009 04:02 am »

It didn't seem to wobble any more than on flight 4. Does it really wobble more than other launch vehicles, or does SpaceX simply give us a better view of the wobbling than other launch providers?

cd-slam · « **Reply #677 on:** 07/14/2009 04:05 am »

Quote from: kevin-rf on 07/14/2009 03:58 am

Let's see, awake at work in the morning and keeping job, vs. this ... Tough choice... Way to go spaceX. Good launch.

Now if they read NSF, next launch at a reasonable hour for us east coasters

Hey, it was just nicely before lunch for their paying customers...

scotty125 · « **Reply #678 on:** 07/14/2009 04:06 am »

I'd have loved to see an external shot of staging...those looked like some pretty hairy oscillations. The hunting during the second stage burn reminded me a lot of the DAC films taken during LM ascent, especially right before cutoff. I think Ross was right...it seemed like the second stage burned about 25 seconds longer than predicted.

Pretty cool video...I'm of the opinion NASA needs to hang a few more cameras on their vehicles, including shuttle. I haven't met anyone that doesn't get fired up when they see a good on-board shot, whether they give a tinker's cuss about spaceflight or not! The DIRECT guys might want to pick some good camera angles and design 'em in right from the start, rather than depending on just engineering views...got to get the constituency fired up!

ugordan · « **Reply #679 on:** 07/14/2009 04:06 am »

It wobbled just as much as flight 4 during 2nd stage burn, but at different times. Flight 4 wobbled for some 45 secs starting with about T+05:30 and then Kestrel coughed up something that required the guidance to compensate, also killing the wobble. Around SECO it was very stable. This flight wasn't nearly as stable when SECO was called, but was stable earlier.

Interestingly, Kestrel also burped at around the same time as the last time - an ablative chamber "feature"?