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Search: Posts Made By: raptor22
Showing results 1 to 14 of 14
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Forum: Aerodynamics
08-10-2004, 01:11 AM
Replies: 45
Views: 7,785
Posted By raptor22

RE: airfoil thickness

In a way, all of the discussion on HOW you would produce a low RN foil 9or whether it is worth while or not) is unimportant, since none of us (I'm assuming) can make one accurately at that size,...
Forum: Brushed/Brushless motors, speed controls, gear drives
04-10-2004, 04:22 PM
Replies: 3
Views: 456
Posted By raptor22

RE: Estimating Output Power??

Y connector.

--Alex
Forum: Aerodynamics
03-30-2004, 12:39 AM
Replies: 16
Views: 1,366
Posted By raptor22

RE: Thicker Wing=Slower Plane?

Thicker wing equals slower plane and stalls at higher aoa. For that reason, thicket airfoils will be able to turn tighter but are difficult to stall for 3d (which revolves around flying in the...
Forum: Brushed/Brushless motors, speed controls, gear drives
03-29-2004, 11:37 PM
Replies: 9
Views: 1,121
Posted By raptor22

RE: cells for speed 400 6v 5x4 prop

I charge at 2C, so 1/2 an hour. That's kinda hard on the batteries; 1 hour is best but its acceptable. Thay're really good cells.

--Alex
Forum: Brushed/Brushless motors, speed controls, gear drives
03-25-2004, 09:08 PM
Replies: 9
Views: 1,121
Posted By raptor22

RE: cells for speed 400 6v 5x4 prop

Try the CPB1400's found on this site:

http://www.cheapbatterypacks.com/

Get a 8-10 cell pack (10 is the most powerful, but may make the motor have a shorter lifespan). You'll get alot of...
Forum: Brushed/Brushless motors, speed controls, gear drives
03-25-2004, 09:08 PM
Replies: 9
Views: 1,121
Posted By raptor22

RE: cells for speed 400 6v 5x4 prop

Try the CPB1400's found on this site:

http://www.cheapbatterypacks.com/

Get a 8-10 cell pack (10 is the most powerful, but may make the motor have a shorter lifespan). You'll get alot of...
Forum: Foamies! - RC Electric Foam Aircraft
03-23-2004, 12:57 PM
Replies: 6
Views: 869
Posted By raptor22

RE: Increase Voltage for More Power?

YES.

Hit the ground really hard and they short out, often with disastrous results. The fires are VERY hot. You need to (at least you're supposed to) keep them in a steel box while they charge...
Forum: Foamies! - RC Electric Foam Aircraft
03-23-2004, 12:32 PM
Replies: 3
Views: 506
Posted By raptor22

RE: folding prop on wing

sure, people have used folders on wings. Works real well, too. Just reverse the blades (just like you would normally reverse the prop) and stick it on.

However, you need to keep the spinner on...
Forum: Electric Aerobatic & Sport Planes
03-21-2004, 05:56 PM
Replies: 16
Views: 2,063
Posted By raptor22

RE: First 3D Plane

You don't want to learn to fly with any 3D plane. Try a slow stick or unicorn.

--Alex
Forum: Electric Aerobatic & Sport Planes
03-21-2004, 05:54 PM
Replies: 5
Views: 1,067
Posted By raptor22

RE: Any Zagi-like plane

Unicorn is excellent, and XE2 is very close (I hear). I like my unicorn.

Check out www.unicornwings.net.

--Alex
Forum: Foamies! - RC Electric Foam Aircraft
03-21-2004, 05:51 PM
Replies: 8
Views: 1,283
Posted By raptor22

RE: LIPOLY FOR ZAGI XS???!!!??!!!!!

Basically, lipoly's are fragile. One really big crash on your zagi and they have the potential to short out and explode. What a waste of a $100 battery. That's why the average person doesn't use...
Forum: Composites Fabrication And Repair
03-21-2004, 05:46 PM
Replies: 11
Views: 5,725
Posted By raptor22

RE: Hollow moulded wings...anyone tried to make?

You can just make a normal cored wing, and then just melt the foam out with acetone. This is a good method if you just want to make a single wing, although pointless if you are going to make many of...
Forum: 3D Electric Flying!
03-19-2004, 04:32 PM
Replies: 19
Views: 963
Posted By raptor22

RE: What is a good model for these bits. Must be extreme performance!

http://www.rcgroups.com/forums/showthread.php?s=&threadid=176736&perpage=&pagenumber=1,

or,

http://www.rcgroups.com/forums/showthread.php?postid=1481542#post1481542; current thread is...
Forum: Composites Fabrication And Repair
03-18-2004, 03:30 PM
Replies: 7
Views: 2,299
Posted By raptor22

RE: Health Risk with Carbon Fiber!!

good to know...I'm in high school and am about to start a made-from-scratch all carbon fiber rocket for a county-wide competition. I like knowing how to avoid these issues before I gat any...
Showing results 1 to 14 of 14


 
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