Star Wars Snowspeeder.... - RC Groups
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Feb 22, 2007, 10:12 PM
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xtremeRCpilot's Avatar
Discussion

Star Wars Snowspeeder....


Just finished up with my scratch built Snowspeeder and am waiting for the weather to get above zero and wind below 40mph to maiden this bad boy. I will try to get some video.

The craft is appr. 2ft X 2 ft and 24 oz RTF with 3 cell lipo and 35mm hex. brushless motor+ apc 8X6 pusher prop.

Thanks for looking

John
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Feb 22, 2007, 10:41 PM
Just one more flight...
RCSuperPowers's Avatar
What the H?! You are going to fly this?

Amazing work. Its absolutely scale. How did you do that?

Dave
Feb 22, 2007, 10:53 PM
Phlathead
ToxicToast's Avatar
Amazing, and brave too. Scale control surfaces, wow! I would be quite a bit concerned about the minimal airflow to the prop since it is mostly obstructed.

Good luck and I'm hoping for a positive flight report!
Feb 22, 2007, 10:56 PM
Registered User
xtremeRCpilot's Avatar
Thanks Dave, I basically took some pics from my small model and scaled them up on paper to get the basic geometry. Then it was all a crap shoot from there. It would be interesting for me to duplicate this as there was alot of trial and error during the build. It was alot of fun and I cant wait to maiden it to see if it was worth all the effort. ...

Toxic... I was a little concerned about that myself but after doing some bench tests, this thing about shot across the room. At least 2:1 power to weight and there was plenty of air movement( at least on the bench) It seems that the fins bring a little directional air right to the prop. I will let you know how it goes.
Feb 22, 2007, 11:59 PM
Registered User
I love it can i get a set of plans
i have a bundle of ultra fold that needs a project (I dont even care if it flys but have a outrunner that needs a home)
Russ
Feb 23, 2007, 12:20 AM
Caution:Makes sharp left turns
Troy's Avatar
Beautiful job!

Not to be a buzz-kill, but I don't see any vertical stabilizers and that is a recipe for disaster on a pusher delta model like that. You may want to least make some clear ones.

This is what lack of vertical area does in flight:
http://www.rcuvideos.com/view_video....8d4879fbb50d9a
Feb 23, 2007, 12:43 AM
I am the BBQ Ninja
Willmsy's Avatar
The only Advice I can think of is to move the motor/prop back a couple of inches or get a larger prop. I had a similar problem with my space shuttle...
Feb 23, 2007, 01:25 AM
Just one more flight...
RCSuperPowers's Avatar
John,

If you are really going to fly this awesome ship, here is an idea from experience...

I now do this on all my experimental "non-airplanes" like this and it gives me a successful first flight every time!

What I would do with this plane is put a temporary HUGE stable wing on the bottom of it. Give it a nice flat bottom, maybe a delta type wing. Something that you know will fly.

Also give it a HUGE vertical stabilizer. The bigger, the more stable.

Then make sure the plane's CG is just a little more nose heavy than you think it should be. (Nose heavy is good in experimental flights.) Make sure it has plenty of power and elevon control to pull out of trouble.

For the first flight do everything you can to take it up as high as you can and then start to trim it out. Just get some altitude!

These ugly wings and tail are like "training wheels". Fly the plane and cut them down inch by inch each flight on the field.

This way you are working from a known stable platform and working your way down to your original model. This way with each flight you cut another inch off the wings and then after that the tail. If it starts to go crazy you know you will really be in trouble without them, and you can then stop before your plane crashes.

Let me know if that makes sense...

Dave
Feb 23, 2007, 01:29 AM
Just one more flight...
RCSuperPowers's Avatar
I got to say again before I go, just amazing work and scale detail, just amazing. I am so impressed and can't think of anything I have ever seen with such detailed craftsmanship. I am just absolutely blown away that you built that.
Feb 23, 2007, 01:52 AM
Permanently Banned
Larry3215's Avatar
Awesome work!

Larry
Feb 23, 2007, 03:55 AM
Battling on regardless
Kombatant's Avatar
Fantastic detailing! The very best of luck on your maiden, be sure to post some pics/vid, good or bad. This is a good one to share some results from.

Again, best of luck.

Andrew.
Feb 23, 2007, 04:40 AM
My plans are in my blog
Rusty-Gunn's Avatar
I'd be hesitant to fly something done this well. Excellent work, dude.
Feb 23, 2007, 07:13 AM
Crash N Learn
DJ88's Avatar
Sa-weeet! Star Wars is great..brings me back to my childhood. I had a snow speeder! Great work. You have some skills Xtreme!


If anyone could get a flying Ty-fighter or X-wing fighter that would kick butt.
Feb 23, 2007, 08:22 AM
Registered User
xtremeRCpilot's Avatar
Thanks guys, I am greatful for all your positive response and suggestions.
I dont have any plans for this as it was basically trial and error. I may do another if succesful and document all the details.

Dave.. I have a bit of dehedril under the wing surface and if the cg is placed perfect I hope to get it to fly with just basic banking characteristics. I will experiment with different fins and such till I get her to fly stable. thanks for the advice and I will let you know hopefully with vids....

Im hoping with possible success of this craft to experiment with other Star Wars favorites( x-wing imperial shuttle etc...)

Thanks again for all the nice words!!!!

John
Feb 23, 2007, 08:36 AM
gpw
gpw
“There’s no place like Foam”
gpw's Avatar
XTRC... Before endangering all your beautiful work , you might consider making a simple profile model of it and using that for flight "testing"...It is VERY NICE!!!! Too nice to ruin...Really !!!


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