DIY

Replacing the servo on the F5J airframe

Hello dear readers. Today I will tell you a very funny and interesting story: “how I changed the servo on the F5J glider”.
Replacing the servo on the F5J glider

A little background.
“I am sitting in our circle, drinking tea and thinking what would it's a good idea to prepare your glider for the summer season 2021. I take out the cover from the shelf, which has already become dusty. I take out the glider, put it on a stand, connect it and see the situation: the servo on the rudder rises to the extreme position, and it wedges. Disorder, pulled out the servo and I understand that it burned out, the smell is so unpleasant. Then I decided to put a new one without buying, as it is too expensive to buy. ”
Here's a little humorous backstory for a change, so to speak. First, I decided to take a box with broken servos.
 Replacing the servo on the F5J glider Replacing the servo on the F5J glider servo “. I started by choosing a 9 gram servo. Such machines are called nine-grams. I took a few cars that look good. Fast forward to the soldering iron.
Servo replacement on the glider F5J On one of the machines on the body it was written “board”, so the control board needs to be re-soldered.
 Replacing the servo on the F5J glider Disassemble and solder observing polarity.
Replacing the servo on the F5J glider  Replacing the servo on the F5J glider Replacing the servo on the F5J glider  Replacing the servo on the F5J glider  Replacing the servo on the F5J glider Then I check it on the servo tester and find a burnt out motor.
Replacing the servo on the F5J glider Change.
I take the motor from the same donor from where he took the control board.
Replacing the servo on the F5J glider I take out the burnt out motor
Replacing the servo on the F5J glider Replacing the servo on the F5J glider And take out the motor from the donor
Replacing the servo on the F5J glider Replacing the servo on the F5J glider Soldering a new motor. < br> Replacing the servo on the F5J glider Replacing the servo on the F5J glider Then there was a need to re-solder the wire .
Replacing the servo on the F5J glider Replacing the servo on the F5J glider Tinned the wires
Replacing the servo on the F5J glider Replacing the servo on the F5J glider  Replacing the servo on the F5J glider Replacing the servo on the F5J glider Then we solder, observing the polarity
Replacing the servo on the F5J glider We check, and lo and behold, it works. It was only after that that I realized that the thickness of nine grams did not fit my ruder. It's just thicker. But here in a magic box with servos I found a servo for F3P class aircraft (indoor aerobatic aircraft).
Replacing the servo on the F5J glider I quickly grabbed the typewriter and ran to check its performance. It didn't work. But I have a tactic, if the machine does not work, first I re-solder the board, and then how it goes.
Having found a donor, I started the operation.
 Replacing the servo on the F5J glider Replacing the servo on the F5J glider Soldering and checking
Replacing the servo on the F5J glider
She works. I secure the wire with tape and begin to solder it to the extension cord in the tail boom.
Replacing the servo on the F5J glider  Replacing the servo on the F5J glider I cut off the desired length of wires and immediately tinned them
Replacing the servo on the F5J glider Heat shrinkage
Replacing the servo on the F5J glider Soldering
< a href = "https://usamodelkina.ru/uploads/posts/2021-07/1625588360_51.jpg" rel = "prettyPhoto"> Replacing the servo on the F5J glider Replacing the servo on the F5J glider Replacing the servo on the F5J glider We seal it with an oracle and check
 Replacing the servo on the F5J glider Replacing the servo on the F5J glider
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