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Posted (edited)

There have been a number of large scale replicas of the X-Wing fighter from Star Wars through out the years. But how about one that can fly?!?!

http://www.polecataerospace.com/X-Wing.htm

This is being built by one of the rocketry groups in southern California and will be flown in a few weeks. B))

There is also a 1/4th scale Y-Wing fighter being built by another California group that will also be flown at the same event (Plaster Blaster):

http://rocketryforum.com/showthread.php?t=35511

Edited by Apollo Leader
Posted

Andy Woener and his buddies have done some pretty big and complicated projects through out the years so I think they should be able to pull it off. The Y-Wing is pretty big, too!

Posted
Is it just going to fly straight up and then parachute back down? I'm just not seeing a pitch control anywhere. :huh:

After reading some of the details further, the RC controls and related mechanisms are apparently for controlling the wings in their locked/unlocked poistions during flight.

Posted
It flew! For about 3 seconds until it went boom.

http://gizmodo.com/gadgets/boom/x%20wing-r...p?autoplay=true

HAHAHA! I so saw that coming. I'm no engineer but when I saw that the xwing was gonna be made of wood I knew it was gonna be doomed. The 4 rockets will just tear it apart and even if it doesn't, it probably won't fly straight up for long and may become dangerous as it becomes into a missile or something. :lol:

Posted (edited)

Poor Porkins, indeed! Ouch!!! All that work! I really feel for them but it seems typical of how my old smale-scale X-wings "flew". Back to the drawing board for Incom & the rebellion... :(

Edited by grapetang
Posted

"He's all over me!"

"Stay on target..."

"I can't shake him!"

"Stay on target..."

"Aaaagghh!!!"

:ph34r:

Poor Porkins. His gravity pull was so much that the Death Star smashed into him.

Posted (edited)
It flew! For about 3 seconds until it went boom.

http://gizmodo.com/gadgets/boom/x%20wing-r...p?autoplay=true

Watching the footage several times over from what I can tell it was a mix of being both underpowered and the stresses on the wing joints. About 2 seconds into the flight the X-Wing was about horizontal; it needed at least twice the initial impulse and two to three times the burn time to have gotten a much more decent flight. It was right at about apogee (top of flight) when the bottom right wing ripped off from probably the the stress of the motors, the X-Wing flipping over, and that the mounting points for these wings weren't strong enough (especially since they were designed to pivot).

IMHO, if they want to do this again this is what should be done:

1) If they want to stick with the same 4 AeroTech Redline M class motors for the realistic engine effect, they need to to axe the folding wing design and go with fixed wings, make a stronger wing joint, and find a way to nix 40 to 50% of the weight (typically with an unguided rocket you want to have at least a 6:1 thrust ratio or higher).

2) Drop the 4 M's, go with like a single P class motor, and get someone (like Pat Gordzelik) to make it for them. Unless they can find a way to make a more sturdy pivot point for the folding wings, this feature again should be axed.

When I saw the size of the 4 motor mounts in relationship to the rest of the vehicle, I feared something like this was going to happen. But sometimes we have to learn the hard way before we get things right.

Edited by Apollo Leader
Posted
HAHAHA! I so saw that coming. I'm no engineer but when I saw that the xwing was gonna be made of wood I knew it was gonna be doomed. The 4 rockets will just tear it apart and even if it doesn't, it probably won't fly straight up for long and may become dangerous as it becomes into a missile or something. :lol:

There's been plenty of subsonic aircraft (prop, jet, and rocket) that have utilized wooden construction just fine. Obviously making these wings so that they would fold together in mid air made for a weaker mounting point and if the rocket had stayed in a straight vertical path it may have held together.

Posted

Here's another video of the flight:

Here's the big Y-Wing that was also flown; the parachutes deployed while the motor was still lit:

Pictures of the Y-Wing in flight; the guy controlling the launch is pretty darn close for an L motor!:

http://rocketryforum.com/showthread.php?t=40084

Obviously the Force was NOT with these rocketeers in Southern Cali! :lol: But my hats go off to both team for making two large and complicated flying models. :)

Posted

Closest video and from the side!

http://eyespot.com/share?cmd=permalink&amp...centUpload:null

Watching it from this angle if it had held together it would have taken a cruise missile trajectory into the ground before the chutes could have opened.

Here's some good still shots of it and some of the other Plaster Blaster flights that weekend:

http://www.flickr.com/photos/bradpennock/s...57602300347053/

Posted

Great comments by the guy, particularly about increasing awareness of the hobby, designing for safety, and triggering the safety escape. Kudos to him & his team! Great way to spark kids' imaginations too! :lol: We need more of that in this world.

Awesome Redstone launch! Man, I feel sorry for the recovery crew...

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