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HelicopterSynergy R/COther › Happy day! :)
11-22-2006 11:19 AM  11 years agoPost 21
V8Buggy (RIP)

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USA

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Servo Doublers
Not sure if this has been posted before, but just in case.

On some Heli kits ( MA ) the doublers are on little posts with slotted or enlarged holes, this allows you to move the doubler around and line it up where it is not ADDING bearing load on the servo. This is just what the doubler is tring to reduce. The Synergy uses very ridged posts, and doublers that fit the bolts very close. I think this is a much better design, but does require some care in building as to not induce bearing load in the servo.

1) Mount servos per instructions, but just tight enough so they don’t move around by themselves, but where you can move them around with a LIGHT force.

2) Mount the doublers one at a time using longer bolts. Put the longer bolts into the post being careful that they stay straight. Leave them sticking out enough so you can simply slide the doubler up off of the brass inner race/servo horn screw, but leaving them still on the bolts.

3) Move the servo around until the doubler drops over the brass race without putting any load on the servo.

4) Slowly and carefully tighten down the servo using a criss cross pattern.

5) Double check that the doubler still drops over the brass inner race without placing a side or fore/aft load on it.

6) Remove the long bolts and put in the kit bolts, being careful they go in straight.

7) Do the other two the same way.

This is not to say this is the only way, or the best way, just what worked for me.

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11-22-2006 05:48 PM  11 years agoPost 22
OsiViper

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Farmington, NM

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I never did have much luck with the method on littlerotors.

only way i can get them on is with pliers, but i end up loosing em all.

I found another way to get them on without loosing the C Clip.

Take a piece of fishing line about 6" long double knot it to the innermost part of the C Clip on the side. not on the top.. then just use pliers to put it on, with the fishing line, you hold onto it while clipping, so the clip wont fly far.

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11-22-2006 05:49 PM  11 years agoPost 23
raptorheli2

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rip off britain and no changing it

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i got them on using a vice and hammer in minutes. absolute doddle i found.

cheers


www.waterfoothelis.com

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11-22-2006 05:59 PM  11 years agoPost 24
bob00

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Toronto, ON

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...or you could do it the way that it's been done on MA machines for years with very little trouble - safety goggles recommended...

1. grab the back of the clip with pliers
2. wedge a large flat tip screwdriver in the opening, this opens the clip a bit
3. let go with the pliers, the clip is now on the tip of the screwdriver
4. slip over the shaft and pull the screwdriver out
5. snug into final position

Done. Built more Fury's etc than I can remember and my N9 using this method - takes seconds, never lost 1.

- R

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11-22-2006 06:26 PM  11 years agoPost 25
Ray Nemovi

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SAN DIEGO CA

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i just took another shouldered bearing like the one from the inside and put one on the outside as well. I found a thick washer that i could use to take up the space between the 2 bearing so I could tighthen up the screw without preloading the bearings. The flybar carrier has no side to side play and feels and move up and down freely.

Ray N.

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11-22-2006 07:40 PM  11 years agoPost 26
Droid

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Deep down in the Southwest- UK

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Its far better to install the 8x4x4mm bearings as they have more meat than the crappy flanged bearings.

Quotes may have been changed for my own amusement

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11-22-2006 08:19 PM  11 years agoPost 27
OsiViper

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Farmington, NM

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So far, just building it and im not too happy with the kit yet.

Ran into another problem with the kit -- the inner bearing rings for the torque tube are too big, i cannot get them to slide down the torque tube, it takes a ton of force just to get them to sit on the end of it and i have to get it 9 inches down the freakin tube..

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11-22-2006 08:23 PM  11 years agoPost 28
Droid

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Deep down in the Southwest- UK

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WD 40 or similar sprayed in the tube and aroung the bearing holders and it will slip in beautifully.

Quotes may have been changed for my own amusement

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11-22-2006 08:25 PM  11 years agoPost 29
frankg11

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Bellevue, WA

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I use denatured alcohol when I have to do this. Works like a charm and leaves no residue.

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11-22-2006 08:25 PM  11 years agoPost 30
OsiViper

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Farmington, NM

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Im not talking about sticking it in the tail boom. im talking about getting the bearings to slide down the torque tube.. and i have tryed WD40 and it didnt help in the least

Its the part on A24

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11-22-2006 08:28 PM  11 years agoPost 31
raptorheli2

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rip off britain and no changing it

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ahhh, you must have the new kit that the bearings are not pre-installed on the TT. i heard they were going to do this as whoever was incharge of the glue didn't do a good job putting the bearings on.

are both bearings equally as tight?

cheers


www.waterfoothelis.com

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11-22-2006 08:29 PM  11 years agoPost 32
Droid

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Deep down in the Southwest- UK

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Ok so you are the lucky guy, early kits came pre assembled and the ID was too BIG.... you meant small! roll some sandpaper and ease the ID out to the correct size, yours should end up running nice and concentrically!!!

BTW dont use wd 40 on these they need to be cyano'd when in place!

Quotes may have been changed for my own amusement

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11-22-2006 08:29 PM  11 years agoPost 33
OsiViper

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Farmington, NM

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yea, i can get it on, but no more than about 5mm or so.
And just to get it there takes a TON of force

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11-22-2006 08:39 PM  11 years agoPost 34
u.k. sailor

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cambs uk

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have you tried applying some heat?

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11-22-2006 08:44 PM  11 years agoPost 35
OsiViper

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Farmington, NM

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Yea, that didnt work either

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11-22-2006 08:49 PM  11 years agoPost 36
Droid

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Deep down in the Southwest- UK

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Sand them out!!

Quotes may have been changed for my own amusement

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11-22-2006 08:51 PM  11 years agoPost 37
raptorheli2

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rip off britain and no changing it

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all you can do is releave the bearings to fit as droid has said.

cheers


www.waterfoothelis.com

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11-22-2006 09:04 PM  11 years agoPost 38
Droid

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Deep down in the Southwest- UK

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Twice!!

Quotes may have been changed for my own amusement

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11-22-2006 11:14 PM  11 years agoPost 39
OsiViper

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Farmington, NM

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Note to self--- use a stronger grit than 1500....

Took an hour to get one to BARELY fit using 1500, said screw it. went and got some 200.. took 30 seconds.. lol

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11-22-2006 11:43 PM  11 years agoPost 40
smartguy

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Corona, CA

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servos
OsiViper

what happened to my servos???

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HelicopterSynergy R/COther › Happy day! :)
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