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Oct 07, 2012, 04:56 PM
3d Master in Training
Discussion

Sr Telemaster electrified


Picked up a high mileage old gas telemaster last week. Has the rubber band held wing setup. Wanted to do a quick electric swap over on the old lady. Installed an Exceed RC Rocket 4120-515KV Brushless Motor. Things rated at 1700watts. Im using a cheapy 100a hobbywing esc and a 5 cell 5000mah turnigy pack. Servos are all orange HK units. Used 4" standoff's and thread rod as the motor mount. Looks aside she flies like a dream once airborne. My question for everyone is how do I go about adding a gyro to the rudder for take offs? She wants to go one way or another on me when i start to gain speed.
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Oct 07, 2012, 05:41 PM
Suspended Account
Just pick up a gyro and mount it with the correct orientation. You connect your rudder servo to the gyro, and the gyro to the rudder port.

Some inexpensive gyros (they will work fine) have the gyro gain on the gyro-however most gyros have the gain control on the transmitter. So, you will need an extra channel open so you can control the gyro gain from a knob on your transmitter.

It's easy to check if it works-wag the plane back and forth, and watch the rudder compensate. Adjust the gain for the sensitivity you would like.
Oct 07, 2012, 06:02 PM
3d Master in Training
thanks i have a few gyros from my 450 helis.
Oct 08, 2012, 12:21 PM
Registered User
Evan D's Avatar
probably where your landing gear are mounted. Fix the problem, don't band aide it.
Oct 08, 2012, 02:25 PM
3d Master in Training
Quote:
Originally Posted by Evan D View Post
probably where your landing gear are mounted. Fix the problem, don't band aide it.
Im confused?
Oct 08, 2012, 02:26 PM
Suspended Account
Do not forget to post photos. Telemasters are neat planes!
Oct 08, 2012, 03:14 PM
3d Master in Training
its not the best looking plane lol. Rather beat up looking but flies like a dream. I figured I would do all the cosmetic fix ups and recovering after I knew it was airworthy and had all the bugs worked out.
Oct 08, 2012, 03:37 PM
Rock On- Damon Atwood
dag214's Avatar
Quote:
Originally Posted by garrettt04s View Post
Im confused?
Evan D is spot on with what he is suggesting. Any tail dragger could have handling problems if the main gear is located in the wrong spot, or a spot that puts to much plane behind the main gear. The closer the gear is to the CG with out tipping the better it handles on the ground. Also some are just not that good with the left thumb and a gyro really helps with that.

All of my tail draggers with handling problems were due to main gear placement.

Good luck

DAG
Oct 08, 2012, 03:44 PM
Gravity is a harsh mistress.
Tim Wolff's Avatar
Quote:
Originally Posted by dag214 View Post

All of my tail draggers with handling problems were due to main gear placement.

Good luck

DAG
Or alignment.

The Sr. Telemaster is a very good plane to train the left hand on.
Oct 08, 2012, 03:47 PM
3d Master in Training
funny thing is mine goes to the left on takeoff.
Oct 08, 2012, 07:24 PM
Registered User
ashdec87's Avatar
try throttling up nice and slow, you'll still need rudder, but it'll be less sudden and easier to control. You might need expo on the rudder to keep from wagging like a fish on takeoff.

If you use a gyro make sure you have a way to turn it off in-flight.
Oct 08, 2012, 07:55 PM
3d Master in Training
Adding expo on the rudder is prolly a good idea. Im going to install the gyro this week and just have it switched on or off for takeoff
Oct 08, 2012, 08:55 PM
Registered User
We had a SR. Tele with a hot 6s setup,somewhere in the 1500 watt area.

A word of caution... our wings folded up when doing a power on loop. It was an older kit with no wing struts.

The prop chopped the wings up like confetti,looked like fireworks. So hilarious at the time,but I miss that plane.
Oct 09, 2012, 05:15 AM
3d Master in Training
Im not even going to attempt a loop. Dont trust all that weight on rubberbands


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