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130X Blade 130X Helicopters Information and Help


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Old 01-24-2019, 04:20 PM   #1 (permalink)
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Default My latest and least brightest idea

Does anyone know whether 180CFX servos can be made to work in a 130X with a frame converted to take rotary servos? Or, for that matter, could it be made to work as a tail servo?

Would I need to swap plugs, similar to getting a 130S servo to work?
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Old 01-24-2019, 06:42 PM   #2 (permalink)
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I have a Rakonheli 130X frame, the 180 servos are a tight fit, but do mount.

Don't know if they work with the stock 3in1 due to the voltage specs.


The 2060s operate at 4.8 to 6.0 volts, linears operate at 3.7V. I was planning to use either a uIkon or Vortex VX1p fbl unit. Haven't got around to building it as I have too many other projects going on.



My stock 130 has a Eflite 76T on the tail that is going good. Just spliced a linear servo lead to it.


HW.
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Old 01-25-2019, 11:55 AM   #3 (permalink)
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OK, that sort of answers or leads to my next questions - so if the 130X linears operate at 3.7 volts, then any rotary that runs on 3.7V and that can be made to fit ought to work, assuming that the right plugs are soldered in?

And any other good tail servo suggestions?
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Old 01-26-2019, 07:18 AM   #4 (permalink)
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Quote:
Originally Posted by Mrowka View Post
...And any other good tail servo suggestions?
Many before you have taken on that quest. Unless something new has popped up in the last couple of years, there aren't a lot of options. To be frank, do yourself a favor and just get an E-flite DS76t. You'll likely end up with one anyway.

The main problem people have had with other servos is a tail wag that can't be resolved. IIRC, one theory was that many servos have a dead band around center to mask/hide noise jitter.
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Old 01-28-2019, 10:37 AM   #5 (permalink)
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Thanks, that is useful.

Any insight into my first question?
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Old 01-28-2019, 10:56 AM   #6 (permalink)
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Also, please refresh my memory and remind me whether the DS76T is interchangeable with the DS76, and whether the DS76T is the one where you have to get the earlier version as the later version doesn't work?
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Old 01-28-2019, 11:20 AM   #7 (permalink)
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Quote:
Originally Posted by Mrowka View Post
Also, please refresh my memory and remind me whether the DS76T is interchangeable with the DS76, and whether the DS76T is the one where you have to get the earlier version as the later version doesn't work?
That was the DS35T...

I am not sure that the DS76T will mount on the 130X...it's designed for a 450X heli

The T is there for a reason...that being Tail
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Old 01-28-2019, 02:49 PM   #8 (permalink)
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EFLRDS76T is the servo I have on my 130X, requires a rotary servo mount to attach it to the tail boom.




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Old 01-28-2019, 02:52 PM   #9 (permalink)
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https://www.microheli.com/heli-upgra...html?limit=100








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Old 01-28-2019, 07:50 PM   #10 (permalink)
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I've had best luck with stock servos and Deoxit d5 applied to the board behind the screw of the servo. I don't fly it much so it pretty much needs a new treatment every time I fly it.
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Old 02-02-2019, 06:42 PM   #11 (permalink)
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Can someone enlighten me as to why there is a need for a rotary servo on the tail?

What is the benefit?
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Old 02-02-2019, 08:20 PM   #12 (permalink)
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After having dozens of 130X's come across My worktable I discovered a couple reasons to have a rotary tail servo...

1) Because there were at least 3 rotary tail servo options available
2) Because it was considered to be an upgrade

After trying several variations I discovered a couple things...

1) The DS35 had two versions...the newest and most available one was not the best option
2) Any other option didn't seem to make the model fly better
3) Several local smack-3D pilots saw no need to change the linear tail servo

Most 130X "upgrades" added weight to the model...forcing additional upgrades to increase power and tail authority

Careful...the term "money pit" comes into play quickly in this case and as the CNC parts availability slowly disappears the full-blown 130X will likely be rendered to Shelf Queen...

Unless a crash makes it spare parts first
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Old 02-03-2019, 05:06 AM   #13 (permalink)
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The major reason I installed the rotary tail servo was due to the linear servo twitching or wagging when it needed cleaning.


Cyclic shake I could live with for a while, but the tail drove me nuts.


HW.
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Old 02-03-2019, 05:02 PM   #14 (permalink)
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Thanks JJ.

HW, I just shoot them with Caig de oxit as mentioned above when they act up.

I just got a new (to me) MCPxBL that looked like it was having fits when it initialized and then any time you gave cyclic inputs.

I hit it with some Caig, went full + and - pitch a few dozen times, blew out the caig with canned air and reapplied.

That is the standard in the audio world for this product as first it cleans then you blow the dirt and dirty de oxit out and reapply for lubrication and continuous cleaning.

The stuff is a wonder sauce for electronic pots both rotary and linear like we are using.

I dont think Ill ever do a full teardown to clean this type of servo again.
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Old 02-03-2019, 05:57 PM   #15 (permalink)
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I so gotta steal me a bottle of deoxit.
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Old 02-04-2019, 01:34 AM   #16 (permalink)
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Default Servo Mount

I just clicked on the link for the Microheli servo mount and they are out of stock. Does anybody have an idea for a mount other than the Microheli one so I can try the Ds76t. Can I make anything?
Also being in Australia makes it a tad more difficult. In the interim I will keep up with the deoxit. I have never tried the compressed air after so maybe that will lengthen the flying time.
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Old 02-04-2019, 06:30 AM   #17 (permalink)
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Looks like MH still has the red color in stock, if that works. Nexrc also appears to have both colors in stock if ordering from the US is acceptable.
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Old 02-04-2019, 10:10 AM   #18 (permalink)
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Quote:
Originally Posted by Maturecruiser View Post
I just clicked on the link for the Microheli servo mount and they are out of stock. Does anybody have an idea for a mount other than the Microheli one so I can try the Ds76t. Can I make anything?
Also being in Australia makes it a tad more difficult. In the interim I will keep up with the deoxit. I have never tried the compressed air after so maybe that will lengthen the flying time.
Nexrc has a lot of 130X supplies, but all MH. Also rotary servo mounts seem pretty common on US Ebay.
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Old 02-14-2019, 03:47 AM   #19 (permalink)
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Hi Thanks for the tips and info. All the Ebay items had extravagant postage so I went the Nexrc route and to make the postage worthwhile I ordered a few extra goodies for the 130x and my 200SRX. Not sure on the time frame for delivery but hopefully soon.
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Old 03-02-2019, 11:32 AM   #20 (permalink)
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Hi,

I almost had said that there is a new tail servo available: Lynx LX3005
h0988UHS-i

But now as I recheck the spec on their homepage https://www.lynxheli.com/product_inf...afbe7294f00c07, I recall that it is only made for 760Ás.

So if you have a rotary frame with any more modern custom FBL (ÁBrain, ÁSpirit, etc.) which support a true 760Ás tail configuration, you are good to go and test this alternative.

With my Walkera V120D02s heli (I originally wanted to "custom build" it and make it Spektrumized with Tarot ZYX-s) I have e.g the problem of the proper servohorn length, right ball head diameter, control push rod...and therefore I cannot find an easy tail servo replacement solution.
All mechnical parts need to match well.

..(...)..

Maybe I should simply get the WK03-4 tail servo again for my V120d02sw and try it on a much lower digital setting than 333Hz (e.g 214/240Hz)? :-)

I had not any good tail hold and got a quick blow out in wind outdoors and the Tarot ZYX simply did not allow me choose a proper HeadingHold gyro value of anything more than +12-14 gain which is quite low.

It actually hovered once with that tail gyro gain indoors...but you cannot compare that to my Blade 4503D and DS76T or H3060 tail servos and much higher gyro gain values
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Last edited by Thomas.Heiss; 03-02-2019 at 11:44 AM..
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