Synergy Tech Support
Synergy Nitro Helicopters => Synergy N5 / N5c => Topic started by: Carzan on August 21, 2014, 06:43:08 PM
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I assume this assembly needs to be disassembled and reassembled? And while I have it apart, Do I need to oil the one way?
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I put light oil on mine. I also grease all the bearings on a new build and periodically there after.
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I do with light oil. Don't forget to Loctite the bushings in to the one way bearing.
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Hi Carzan,
It is recommended to disassemble the auto hub assembly and flush out any grease which is in the bearing and then re-lube with a light oil such as Tri-Flow, a light machine oil or ATF. I use the sleeve just pressed inside the bearing to hold the rollers etc in place and use WD40 with the straw nozzle attached to flush out the grease then some compressed air in a can, the kind you see for cleaning computers or electronics to flush out the WD40.
It is also recommended to remove the bronze bushings, clean the recess in the hub and the bushings to remove any oil/grease and then reinstall them using red loctite.
Hope this helps, keep us updated on your build! :)
Cheers
Ross
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thanks for the replies guys!
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Help Needed...
I have a spur gear that doesn't seem to be round. First of all, When I went to disassemble it so I could place loctite on the screws, It was so tight I could barely get the small screws out. I read in the manual that over tightening this gear is a no no and can result in the distortion of the gear. Well upon installation of the main mast it became clear that this gear is oblong. And I mean Bad!
I am positive this is a result of the pre-assembly being too tight but not interested in what ever wait or red tape I would encounter to try and get it replaced by Synergy. So I checked Ron's site and of course he doesn't have any spur gears in stock. My question is two fold.
1. Does anybody know of a shop that has spur gears in stock? It's the 54 toot Spur Gear
2. Is this a part that I should invest in a spare on the wall?
With our N9's it was the Crown Gear (same thing) that seemed to give many trouble. I found however, once the mesh was set correctly the crown gears seemed to be solid for us though.
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Doing a quick search I see Ralph (fblrotors.com) has them in stock. I thought I had an extra one but it was the 52t not the 54t or I would have sent it to ya. Hope this helps and sorry for your screwed up part but it does happen and I am sure Matt will make it right. I would send him a email asap. Matt has them in stock as well.
Hope this helps,
Rick
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I have 2 sets os stock e5 spur gears and Dennis at www.thehelifarm.com has alot of synergy parts in stock. Jeff might have some to.
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Hi Carzan,
Sorry to see your having trouble with a part, as Rick has already mentioned it would be worth dropping Matt an email and i'm sure he will get this sorted for you. It is worth letting him know about your issue so he can investigate.
Hope this helps, let us know how you go.
Cheers,
Ross
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I saw another thread this week where someone thought they had an out of round spur gear but it turned out he somehow ended up with the wrong spur gear.
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Maybe I should Count the teeth. %4 would be the correct gear if my instructions are correct. Am I right Rodney?
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54 teeth on my Spur Gear. Its the correct one. Just not round. I have ordered two from Matt. They will be here this week most likely. Doesn't really matter though as I have a Business trip to Las Vegas for the Toyota Dealer Meeting and Ill be gone until Friday. Then It's off to the beach for the Labor day holiday. Looks like my N5 won't get anymore work until September! :'( :'( :'(
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Here she sits until my FBL unit comes in and I get back from the road! She is ready for electronics and set-up! And of course a new spur gear. LOL.
(http://i736.photobucket.com/albums/xx8/Carzan/IMG_5126.jpg)
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I'm glad you left the shades closed because it would have been cruel to tease her with that blue sky right outside of that window. ;)
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Guys, I got 2 spare spur gears in and installed one of them on the heli. It's better but the mesh still seems to be very tight. I have loosened up the front transmission to try and get some relief there but not really much difference. Has anyone encountered this or is there a trick to getting this gear mesh set correctly? Or should I just let it "run in" ? Any info appreciated.
Jay
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Hi Jay,
Is it possible to get a photo of the installation? particularly of the front transmission assembly.
It might be worth checking to see whether the spur gear bearing block is orientated the correctly. The spur gear bearing block should have a flat edge and a recessed edge, the recessed edge should be facing toward the front of the helicopter. If the flat edge is facing the front of the helicopter this will be causing the tightness your seeing.
Hope this helps,
Ross
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I posted in another thread somewhere about this same issue....
first, count the teeth on the spur gear to ensure it is the correct spur gear for the ratio that you are trying to get there have been some miss labeled.
I have only had 1 synergy model of mine that the mesh was perfect on the large to small spur gear transfer. I have had to use a small jewelers file to open the transmission holes up a tad on the rest. it doesn't take much, only about 4-5 passes back and forth with the file, so don't take too much off!!! its easy to do!!! also, be very sure to keep in a straight line, and don't get your holes off true.
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Ross and Mike,
Thanks for your replies. I have checked and the front transmission assembly is installed with the correct orientation. The mesh is too tight but just to the point to where it is notchy feeling and noisy. It won't take much adjustment to correct it. I am going to try an old trick from the N9 days of using paper inserted into the mesh of the gears and then tightening all the bolts to see if this helps any before I resort to any type of filing. If I can get a minute amount of adjustment from it I feel like it will at least be good enough for me to just try running it in a bit to see if that settles it down some. I really don't want to file on the gear if I don't have to.
Thanks for the input guys! I installed the CGY750, Receiver and push-glo last night and routed my wiring. I am hoping to fire up the electronics this evening or tomorrow to begin the set-up process. :D :D :D
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no no no, you don't file the gear....you file the holes in the frames where the transmission bolts into it. you just take 4-5 swipes applying pressure to the rear of the heli in all of the holes that the transmission standoffs bolt to.....not the gear.
you effectively slide the transmission toward the rear of the heli just a few 0.001"
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Now I see what you were saying! WOW!!! I guess y'all can just start calling me captain obvious! ;D ;D ;D
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Sure thing capt. Lol
We all misread from time to time.
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When I read that the first time I thought, boy that doesn't sound like it'll turn out very well. That's why I didn't want to go there. Anyway, glad to have that as a viable solution now! I am still going to try the paper trick first just to make certain before I take any material off the frames. It is sooooo close I believe it may just work.
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OK fellas, the paper trick worked Puuuuurfectly! My gears are all as smooth as butta! I used one of my business cards, cut it lengthwise to about 1/4 inch wide strip. I inserted that between the spur gears while the forward transmission assembly was loosened up and the tail boom was also loosened up. Took a little force to turn the gear so the card stock would be fed into the mesh. Once it was in about half way, I tightened everything up, rolled the card stock out the other side and bing bang loo!!! It's perfect now.
Thanks for all of your input!
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Ohhhhh yeaaaaah. Getting close to firing that thing up and flying it?
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Just have set it up now!
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good deal! glad you got it sorted. do be sure to check the mesh again after the first flight, and then a few more, just to ensure it stays that good. it really doesn't take much!