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Search: Posts Made By: Yuu
Showing results 1 to 25 of 466
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05-13-2012, 04:17 AM
Replies: 15
Views: 1,493
Posted By Yuu

RE: Rookie COG Question

Thirty years ago there was a movie with a prehistoric 'pterodactyl' with about a ten foot wing span. As I remember, it was a 'glider' ....which flew in the movie by flapping its wings... but the...
04-04-2012, 06:35 AM
Replies: 14
Views: 1,452
Posted By Yuu

RE: OS .25FP??

The only bad thing is that I can't find a stock needle anymore. All sold out. I guess the .25 LA uses a plastic carb... so where do I find another needle for the .25 FP? My student is kind of...
02-11-2011, 03:23 PM
Replies: 17
Views: 2,057
Posted By Yuu

RE: .049 medallion throttle exhaust

I notice you wrote that you had a single port engine. I had 25 engines on my plane last summer. I had a single intake port cylinder which flew the plane from a hand launch on a down-hill path to...
02-11-2011, 03:09 PM
Replies: 11
Views: 1,193
Posted By Yuu

RE: Servo's for 1/2A Mustang

Ohh Ohh ! See http://www.rcuniverse.com/forum/m_6245595/mpage_10/tm.htm post #241 about Keith Lamur "home made retracts".
02-11-2011, 03:02 PM
Replies: 11
Views: 1,193
Posted By Yuu

RE: Servo's for 1/2A Mustang

I have a "retract servo" for a .40 size plane. The servo only turns 170 degrees, and stops. To put the gear down, flip the switch on the Tx and the servo turns 170 degrees in the other direction. ...
01-28-2011, 09:30 AM
Replies: 30
Views: 2,911
Posted By Yuu

RE: Hinges for the tiny ones

Raymond, do you 'grease' your slide rule often? And, how much did you have to use it? And does that 'grease' help with the accuracy of the answer? Well, if it's a K & E log-log-duples-deci-trig...
01-15-2011, 08:55 AM
Replies: 11
Views: 743
Posted By Yuu

RE: Need a little help with CG

I did a hand calculation of the CG for your Delta, using a root of 37" and a tip of 5", and got a locqation of 18.68" from the front 'point' of the wings, or 18.32" forward of the trailing edge of...
12-27-2010, 07:48 AM
Replies: 11
Views: 1,997
Posted By Yuu

RE: New build

What's the wing span? What size engine?
12-27-2010, 07:41 AM
Replies: 72
Views: 15,794
Posted By Yuu

RE: Buzzard Bombshell Scratch build

Are you building strictly 'scale' or for fun? My friend built a Powerhouse and had to put four ounces of lead in the nose to overcome the tail weight. I think these old timers were built with a...
12-23-2010, 10:40 AM
Replies: 25
Views: 2,828
Posted By Yuu

RE: 20

Can you change that .dwg into a .BMP and post it? Some of don't have CAD.
12-23-2010, 10:33 AM
Replies: 7
Views: 1,054
Posted By Yuu

RE: What to build...

Do a search here for the HM-8, which is a little old timer with single wing. Very cute. For-runner of the 'Flee'.
12-19-2010, 07:32 AM
Replies: 17
Views: 6,213
Posted By Yuu

RE: Cox 049 mufflers

Hhhmmmmm... A thin silicone rubber 'sleeve' for a muffler, that you pull down over the head and cover the exhaust. Now, if we used a 'birth control' device, and left it full size, and wired the...
11-18-2010, 09:11 AM
Replies: 12
Views: 1,441
Posted By Yuu

RE: Decalage on Bipes

Decalage... funny stuff. I build a lot of rubber band models for the 4-H and grandkids. Some have the wing with the LE 'up' 1/16". Others have the wing flat, and the stab has the LE 'down' 1/8". ...
11-18-2010, 08:57 AM
Replies: 24
Views: 2,477
Posted By Yuu

RE: Its been too long I gotta build something!

Rog... I read somewhere in these threads where the guy just glued [elmers] balsa sheets together to make a stack of ribs, and when dry just cut out the ribs and spar notch and lightening holes......
11-14-2010, 11:06 AM
Replies: 24
Views: 2,477
Posted By Yuu

RE: Its been too long I gotta build something!

Rog... I think you should do a build thread on Randy's Bee-Tween for RC, glow or ....ah..er... the 'other'...
10-23-2010, 01:44 PM
Replies: 5
Views: 801
Posted By Yuu

RE: babe bee or thimbledone

I think that 'google' site in post #2 should be forwarded to the Cox 'stickie' thread....
10-23-2010, 12:44 PM
Replies: 12
Views: 3,645
Posted By Yuu

RE: electric to nitro conversion help

Do you guys reralize this thread started on October, 2003 ??
10-23-2010, 12:40 PM
Replies: 17
Views: 6,213
Posted By Yuu

RE: Cox 049 mufflers

I think that was someone on the forum here who made a muffler out of blue rubber connector from a .60 size 'piped' engine... and used steel washers top and bottom... and a drilled hole in the rubber...
10-23-2010, 12:09 PM
Replies: 33
Views: 4,109
Posted By Yuu

RE: Getting tired of wearing-out servos

I have two of the HS-55 servos in my little .049 plane, 21 oz. weight. 38 X 7.5 " wing. I mounted the servos with a 3/32" slice of fuel tubing under and over the servo 'ear' on each end. I tighten...
09-29-2010, 11:13 AM
Replies: 14
Views: 1,821
Posted By Yuu

RE: What book was this?

'Dollar Tree' has foam board w/ paper both sides... about 20" X 30"... for a dollar.
09-19-2010, 08:55 AM
Replies: 29
Views: 4,743
Posted By Yuu

RE: My COX is STUCK

A soft brass wire brush will clean those threads on the case screws. Might as well clean them up before putting clean fuel in the tank, and getting a piece of swarf under the reed.
09-11-2010, 11:57 AM
Replies: 29
Views: 4,743
Posted By Yuu

RE: My COX is STUCK

Since you don't have a wrench yet, I suggest to disassemble it as far as possible, and do as Combatpigg suggests; soak it for a week or two in something. I use rubbing alcohol, and put the engine in...
09-11-2010, 11:37 AM
Replies: 23
Views: 2,255
Posted By Yuu

RE: 1/2A Jekyll

Why not just build a plug for the canopy, and streach a plastic two liter soda bottle over the plug with a heat gun for the clear canopy, so we can see the 'pilot' inside?
09-04-2010, 11:56 AM
Replies: 25
Views: 3,099
Posted By Yuu

RE: SST 1/2A engine

Andrew... help me out here.. all I see at the Servo-City site is the 'ounce-inch' of the torque from the servo. Where is the sheet with the current draw?
08-11-2010, 10:33 AM
Replies: 4
Views: 1,244
Posted By Yuu

RE: House of Balsa P39 help

Carve a wooden plug fuselage top for the plane, then sand it smooth and heat-shrink a two liter plastic soda bottle around the plug. Cut it loose, and Presto! Plastic fuselage top. Light weight,...
Showing results 1 to 25 of 466
 


 
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