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Blade 130 › Installed the Microheli tail pitch slider
08-09-2012 02:24 PM  6 years agoPost 1
d12bn

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lake charles

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Just a couple of flights and all is good

Watch at YouTube

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08-09-2012 03:19 PM  6 years agoPost 2
wrongler

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Brewerton, New York

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Nice flight, did the pitch slider make a noticable difference?

Bill Whittaker

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08-09-2012 03:31 PM  6 years agoPost 3
d12bn

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lake charles

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Hey
Yes it is much tighter and has no slack. I've been fighting tail vibrations and wag. And the tail felt lose and never felt locked in. With the MH slider the tail feels so much better and locked in and solid. It did not however get rid of the tail vibration. I was able to adjust gain and get rid of almost all the wag while maintaining a good hold. I ordered a whole Boca bearing kit yesterday and hope this will get rid of the vibration.

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08-09-2012 03:43 PM  6 years agoPost 4
MN_heli pilot

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Burnville, MN -US

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Where did you get the Boca bearing kit from?

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08-09-2012 04:08 PM  6 years agoPost 5
RMSLINKERS

rrApprentice

Audubon, Minnesota

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Just use H09-007 then the cupon code 5ddrdx06 and the set is $24.95 shipped. I just ordered a set at BOCA this morning

If it isn't beating the air up it isn't flying

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08-09-2012 04:51 PM  6 years agoPost 6
d12bn

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lake charles

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08-10-2012 01:17 AM  6 years agoPost 7
bigben1165

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grand rapids, michigan

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i ordered 4 bearings for the tail and it was $52! i hope it makes a difference!

big ben - e550 fbl - DX6

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08-10-2012 04:04 PM  6 years agoPost 8
spoolemup

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NJ - USA

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Sorry guys that are focusing on the tail bearings as your ticket out of tail vibrations. It will get just a little better with the bearings.. Your tail hub is drilled off center.
If you want to remove those destructive tail vibrations totally, get yourself:

1.5mm drill bit
A micro Gear puller or vice.
(If using a vice, get a hollow steel tube to support the hub and a small pin for the center of the hub to push it out)
Green Loctite (622) or stronger 638 Retaining Compounds. (I tried both –very good)
Acetone or Denatured Alcohol
Dremel tool (very useful)
Large washer to support hub while Loctite cures (see pict's)

You can see the green Loctite on the 1st photo under the hub.

Pop the hub off the shaft with a micro gear puller, A vice or a little heat.
Once you have the hub off, use the 1.5mm drill bit (do not use it in a drill- you could take off too much metal).
Apply tilting pressure on the high side of the tail hub while rotating the drill bit in the hub. This will take off a micro amount of metal, allowing the hub to be centered at 90 degrees.

Once your tail hub can be centered, you can temporarily remove the tail grip bearings. You will need these as a rest, to allow the hub Loctite to set.

Clean out hub and Shaft with Acetone or Denatured alcohol, apply a micro amount of Green 622 or 638 Loctite, re-assemble hub.
With the tail grip bearings placed on the hub as a support, place the whole assembly in the Dremel tool with a large washer below the bearings to keep everything square while the Loctite cures.
Let it completely cure for 24 hours.

24hrs later, reassemble your tail and Have fun..

Now that your tail is 90 degrees true:
1) You won’t have that killer vibration
2) Your gyros won’t go nuts and fail in flight
3) You won’t be throwing tail blades
4) You won’t be breaking off pins on the tail pitch slider

Note: If you ever bend your tail output shaft, apply a little heat and re-use your 90’ true hub again.

Watch at YouTube

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08-10-2012 04:30 PM  6 years agoPost 9
d12bn

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lake charles

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ok
I believe what you're saying but dont think all the hubs are not square.

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08-10-2012 04:43 PM  6 years agoPost 10
spoolemup

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NJ - USA

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I believe what you're saying but don’t think all the hubs are not square
I would say that the pure law of probability would dictate that you are correct, not all of them are drilled off center. I have to give you that.

But in my little world, compared to the rest of the flying community, I have encountered 8 out of 8 tail hubs that were drilled off center. 5 of my friends and 3 of my own.

Just going by the stats, 8 of 8 in my location, and multiple people complaining about the same issue, it would be a safe assumption that their dealing with the same problem.

Just trying to help out my fellow pilots, and save them some aggravation, cash and possible injury.

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08-10-2012 06:52 PM  6 years agoPost 11
BJames111

rrElite Veteran

San Diego, California

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As a note, all subsequent shipments of this part SHOULD be correct. Unfortunately, we did not find that during any of our testing of this part that the tail hub was a root cause of any significant vibration. We did find that sometimes, simply disassembling, and re-assembling (and changing no parts) the tail on a 130x which was vibrating, did decrease or even eliminate much of the vibration seen during spool up. That being said, we realize that this part should be manufactured correctly and have worked with our factory to ensure that all future shipments are correct.

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08-10-2012 08:03 PM  6 years agoPost 12
d12bn

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lake charles

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8 for 8
Ok 8 for 8 had me taking mine apart. How easy is it to see if its not square? I've been staring at mine under a magnifier and if its off I can't see it. I was hoping it was but don't think so. All I know is the vibration is not acceptable.

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08-10-2012 08:29 PM  6 years agoPost 13
T-rexn8

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CoLoRaDo

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You can generally see them wobble around when rotating the main rotor and watching the tail grips…
I would say that the pure law of probability would dictate that you are correct, not all of them are drilled off center. I have to give you that.
Funny stuff right here^^^

Basically they are all crap lol but looking forward to seeing the newly released parts.

Seriously though all the ones I have seen are visibly off center...

Xxtreme 800, TDR, 700E DFC, Mini Protos, T-450 DFC, Blade 130x, mcpx, nano

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08-10-2012 08:40 PM  6 years agoPost 14
spoolemup

rrApprentice

NJ - USA

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Thanks James for the update.. I really appreciate good customer support as I'm sure others do too.
How easy is it to see if it’s not square?
A good test is to place it in something that can hold its center and rotate slowly, like a drill chuck. If you don’t have that, place the hub and a strait ruler on a table and butt the hub against it, If the tail output shaft it not perfectly strait, then the hub is off center.

Using a digital caliper can help also. Just lock the shaft in place and measure the distance of each bearing post to the holder that it's in.. They should give you the same reading if its 90' true.

If you had a Dial indicator, you could see it also.

A T-Square will work, or any other thing that has a 90' corner.
Even a piece of typing paper would work, but of course, all the above testing methods are more precise and repeatable.

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08-10-2012 09:12 PM  6 years agoPost 15
spoolemup

rrApprentice

NJ - USA

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Here's another tip that help the control of your tail.

1) Back down the tail gyro gain about 4 positions. It's a little too sensitive at the default setting.

2) Find yourself some 20guage Pure Silicon wire. You'll need the insulation off it.

Cut about 1MM of the insulation from the 24 gauge wire to make 2 tiny rubber O-rings.

Remove the tail pitch slider and stretch one around the ball of the tail pitch slider. It's not easy because of its size but its worth it. Re-assemble the tail. This will take up a micro amount to play that you get on the control of the pitch slider.

3) Use the other one on the bell crank ball.. Same procedure.

You will find that you'll have better control of your tail and you reduce or eliminate the gyro hunting completely.

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08-10-2012 10:04 PM  6 years agoPost 16
OICU812

rrMaster

Edson, Alberta, Canada

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I believe spoolmeup as I bought 4 tr shaft and hubs, all are NFG. Just gotta get around to having some time and paitence to make some good ones out of the crap HH is pumping out. Meanwhile I did ask a few bling makers, and apparently this is in the works for them to offer an upgraded "good" tr shaft and hub...

...Once upon a time there were Nitros, flybars and frequency pins...

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08-11-2012 10:36 PM  6 years agoPost 17
d12bn

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lake charles

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Boca complete set
Just came in and hope to test tomorrow

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08-12-2012 03:16 AM  6 years agoPost 18
bigben1165

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grand rapids, michigan

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i should get mine on monday.

big ben - e550 fbl - DX6

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08-12-2012 04:35 AM  6 years agoPost 19
turboomni

rrProfessor

East of the Equator

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I ran up my new 130x when I bought it without mainblades in my hand expecting the worst. And I got it. Big vibrations. Did not fly it and tore down the tail. The tail shaft was visibly off. Also one of the tailblade screws was not fully seated so one grip was further out from the center than the other. I pulled the tail shaft and also noticed the flat was crudely filed by hand. I got a new one and it was not like this and was machined and true. Put the Boca tail bearings in,,made sure the tail blade grips were fully seated on the new and true tail shaft,,balanced my tail blades and all is good.

Setup is everything, All my heli's can fly far better than I can pilot them

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08-12-2012 03:01 PM  6 years agoPost 20
bigben1165

rrKey Veteran

grand rapids, michigan

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this is sure turning into an expensive heli to get to fly correctly (hh, im talking to you)

big ben - e550 fbl - DX6

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Blade
Blade 130 › Installed the Microheli tail pitch slider
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