120s swashplate fix - HeliFreak
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120 SR Blade (eFlite) 120 SR Helicopters Information and Help


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Old 03-08-2017, 08:48 PM   #1 (permalink)
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Default 120s swashplate fix

So I personally have had major problems with my 120s swash separating. Even with it snapped in place it was causing major problems making it seem like it needed another trim flight. I have read other posts with complaints on this so I hope this helps. With the swash plate off of the heli I flipped it over and you will notice a sharp rim of plastic that snaps inside the bearing. The plastic protrudes from the bearing ever so slightly, taking my very small flat head screwdriver I pressed on the rim just hard enough to put an indent in the plastic over the metal bearing. Doing this about 8 times evenly around. Since doing this I have had a very stable and happy 120s. Even after a couple of collisions with the walls and furniture. I will try to get some pictures up loaded tomorrow.
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Old 03-09-2017, 01:16 PM   #2 (permalink)
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Here are some pictures
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Old 03-09-2017, 01:18 PM   #3 (permalink)
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Old 03-09-2017, 01:24 PM   #4 (permalink)
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Funny how Blade quality seems to get worse over time. Never had that issue with my 120sr purchased in late 2011 or early 2012 that was horribly abused by myself and my son while still in the early crashing stages.

Still works fine to this day cept I robbed the main shaft bearings out of it to put in my 180. Not surprising that those used bearings have already lasted twice as long in the 180 as its original bearings did.

Not sure if they're trying to keep cost down as time goes by or trying to sell more overpriced parts. My guess is the latter Maybe I just got lucky with my 120sr and got a really good one

Anyways, nice job finding a fix
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Old 03-09-2017, 01:27 PM   #5 (permalink)
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Quote:
Originally Posted by learnedthehardway View Post
Funny how Blade quality seems to get worse over time. Never had that issue with my 120sr purchased in late 2011 or early 2012 that was horribly abused by myself and my son while still in the early crashing stages.

Still works fine to this day cept I robbed the main shaft bearings out of it to put in my 180. Not surprising that those used bearings have already lasted twice as long in the 180 as its original bearings did.

Not sure if they're trying to keep cost down as time goes by or trying to sell more overpriced parts. My guess is the latter Maybe I just got lucky with my 120sr and got a really good one

Anyways, nice job finding a fix
My 120sr was a tank. Probably one of the best Helicopters to learn on.
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Old 03-09-2017, 04:23 PM   #6 (permalink)
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Cool fix Db!!! I wonder if this will put more stress on other parts like main grips etc? Probably not on this bird.
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Old 03-15-2017, 08:50 AM   #7 (permalink)
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learnedthehardway, not sure if this qualifies as low quality ... it seems to me that the swash plate is designed to come apart like that in a crash. At least in the 120S it only ever comes apart when I crash hitting the main rotor blades against something. Did think of glueing the two parts together (although Dbcopper78's way is much nicer, but hadn't read this then). Decided against it because I can't imagine this to be something other than a crash protection feature.
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Old 03-16-2017, 07:59 AM   #8 (permalink)
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don't get glue in the bearings lol that would be bad.
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Old 03-16-2017, 08:24 AM   #9 (permalink)
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Here in Germany you can get a CNC'd aluminum swash plate, not sure where you would find it in the US but it must be available there, too. Link for Germany: http://www.helishop-berlin.de/RC-Hel...120S012&p=6197
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Old 09-28-2017, 09:47 PM   #10 (permalink)
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I have broken the balls off the swashplate to servo links twice now. This last time I thought I was being very careful. I today ordered supposedly the same Microheli MH-120SR012 CNC Swashplate: Blade 120 SR as the above link from Ebay for $22.10 shipped. I will report back when I get it if same.
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Old 10-04-2017, 11:23 AM   #11 (permalink)
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I received the Microheli MH-120SR012 CNC aluminum swashplate that I ordered from Ebay and it works OK. The bearing seemed rough so I added a drop of sewing machine oil. The ball links are permanently attached (via pressing over like a rivet the inside end) whereas the link above clearly shows threaded on ball links.

It has the Microheli label and part number - maybe a design change.
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