What's this tube for?
07-18-2011, 12:01 PM
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What's this tube for?
Got my first "Big Boy" plane recently, an Aeroworks Yak 54 (.60-.90). Much different than my three previous planes, Tower Trainer, GP Easy Sport, and H9 Ultra Stick. I'm wondering about what appears to be a pushrod tube that starts about mid fuselage, runs to the tail, and exits just ahead of the tail wheel mount. I have no idea what it's for. Also I'm powering it with a Saito .82 - The exact engine used in the manual as the example for the "4-Stroke Installation" section. I'm worried that it will be underpowered. Don't really care about speed, but I do want it to be able to climb vertically. I'm running a 13 x 7 on the Ultra Stick. Perhaps I'd benefit from a 14 x 5 or a 14 x 4W on the Yak? Thoughts?
07-18-2011, 12:34 PM
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RE: What's this tube for?
ORIGINAL: jknox
Got my first ''Big Boy'' plane recently, an Aeroworks Yak 54 (.60-.90). Much different than my three previous planes, Tower Trainer, GP Easy Sport, and H9 Ultra Stick. I'm wondering about what appears to be a pushrod tube that starts about mid fuselage, runs to the tail, and exits just ahead of the tail wheel mount. I have no idea what it's for. Also I'm powering it with a Saito .82 - The exact engine used in the manual as the example for the ''4-Stroke Installation'' section. I'm worried that it will be underpowered. Don't really care about speed, but I do want it to be able to climb vertically. I'm running a 13 x 7 on the Ultra Stick. Perhaps I'd benefit from a 14 x 5 or a 14 x 4W on the Yak? Thoughts?
07-18-2011, 02:38 PM
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RE: What's this tube for?
ORIGINAL: OkadaKeisuke
jknox,
Is it a pushrod tube for a steerable tail wheel? The pushrod would link to your rudder servo. Just a guess.
~Noah
jknox,
Is it a pushrod tube for a steerable tail wheel? The pushrod would link to your rudder servo. Just a guess.
~Noah
That's all I could think of also, but it came with a very nice tiller type tail wheel
ORIGINAL: oldtyme
It's a tube to run your receiver antenna through to keep the install clean. If you have a 72mhz receiver then route your antenna through the tube. If you have a 2.4ghz receiver then just ignore it.
It's a tube to run your receiver antenna through to keep the install clean. If you have a 72mhz receiver then route your antenna through the tube. If you have a 2.4ghz receiver then just ignore it.
Ahhh,Now that make sense.Thanks all.
07-18-2011, 02:50 PM
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RE: What's this tube for?
Just remember this... if you DO run an antenna for 72 MHz through that tube, make darned sure you put a "strain relief" or a knot or something at the outside end of the wire so that it does not snake back into the fuselage and into a bundle.. vibration will do this and cause you all sorts of problems.. most of them very short term and ending up in a pile on the ground.
CGr.
CGr.
