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Old May 23, 2013, 06:41 AM
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josh18's Avatar
Australia, QLD, Toowoomba
Joined Jan 2010
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Fill up the scorcher tips too and put in the servo frames while your at it. I want closer to 400 now!
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Old May 23, 2013, 07:02 AM
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ALEX HEWSON's Avatar
Christchurch, New Zealand
Joined Jul 2005
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Lol ok, first priority in the K130 though. If I get time, I will do the Scorcher as well
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Old May 23, 2013, 07:23 AM
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Australia, QLD, Toowoomba
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It'll make a good backup plane.
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Old May 23, 2013, 08:03 AM
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ALEX HEWSON's Avatar
Christchurch, New Zealand
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I'll get some weight in it even if it is up the hill on the day
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Old Jan 06, 2015, 04:20 PM
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ALEX HEWSON's Avatar
Christchurch, New Zealand
Joined Jul 2005
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So this plane still lives. Last outing required taking servos out as the pins bent for the third time, but also broke a flap half off at the hinge. Need to get the flaps away nice and early. Pins are easy to replace in the servos. Am going to split the flaps
When I put the servos back in

Have two spare servos too so next time if it happens again I can replace them up the hill to get back in the air again
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Old Jan 06, 2015, 05:25 PM
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sll914's Avatar
United States, CA, Los Angeles
Joined Oct 2003
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Hey Alex,

You ought to take some good measurements on the pins and order some higher quality hardened steel pins to replace them. The stock pins are really soft mild steel. If you send the measurements, I'll see what it would take to get some better pins sent down to you... It would only be the cost to send a small envelope. Otherwise, I assume you have a supplier similar to McMaster Carr in NZ...??
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Old Jan 06, 2015, 05:39 PM
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ALEX HEWSON's Avatar
Christchurch, New Zealand
Joined Jul 2005
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I would rather the pins bend and save the flaps. They are easy to replace. The gear teeth also bend, so have had to manipulate and work those back to mesh nicely. Made new stainless pins at work. Should be a nice strength to allow them to bend and save the servo. Am happy with my set-up
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Old Jan 06, 2015, 06:46 PM
Heavy's good, heavy's reliable
BDK74's Avatar
United States, CA, Redondo Beach
Joined Sep 2012
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What are the pins for?

Nice job getting the servos out. If that were me you wouldn't be able to identify what it was!!!
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Old Jan 06, 2015, 07:07 PM
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josh18's Avatar
Australia, QLD, Toowoomba
Joined Jan 2010
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Hey Alex, I had to replace my 9411 flap servo on mine, as even though the pin was straight it had ovalised the hole in the case, making it un usable. I too would rather the pins bend rather than wreck the case, as long as not in flight!
I did notice on mine that the pins don't insert very far into the case holes, so your ground pointy ended pins might not be getting a very good purchase in the hole, though this was on a different servo.
Cheers
Josh
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Old Jan 06, 2015, 08:26 PM
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ALEX HEWSON's Avatar
Christchurch, New Zealand
Joined Jul 2005
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THat pointy pin is a bit longer in hope it would jam itself up into the bottom of the hole to secure it better.

These are ATX 94820 servos
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Old Jan 06, 2015, 11:27 PM
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josh18's Avatar
Australia, QLD, Toowoomba
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Ah cool, it thought you were using 3421s so there would be a JR family resemblance.
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Old Jan 06, 2015, 11:45 PM
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United States, CA, Napa
Joined Dec 2010
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Same question . . . what are the pins for?

Using for control linkage? Servo bracing?

Scott
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Old Jan 07, 2015, 12:25 AM
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Australia, QLD, Toowoomba
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Hey, they are the pins the gears spin on inside the servo.
Cheers
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Old Jan 07, 2015, 12:51 AM
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United States, CA, Napa
Joined Dec 2010
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Ah servo guts . . .

holy crap that's some torque!

Thanks.
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