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Blade mCPX › Does your tail hold when flipping?
04-08-2011 02:05 AM  6 years agoPost 21
Turner0022

rrApprentice

Old Hickory Tn

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today i stretched the tail boom to 1.25 inches longer and used a thicker gauge wire for the tail motor ... i was able to raise the pitch to 100 % with no blow outs ... so far so good .. i wouldnt do the main motor mod cause of the poor durability of those motors .... just my 2cents

I am unstable and have no safe mode

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04-08-2011 04:15 AM  6 years agoPost 22
HBJ069

rrNovice

alabama

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sorry to hear that Smitty, I feel way more responsiveness and havent had a tail blow out doing 3d stuff yet lol, Oh well.

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04-08-2011 02:20 PM  6 years agoPost 23
smittylube

rrVeteran

Santa Cruz, CA

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I suppose I should try it more than just a hover and collective stabs. It sure looks like it would work better as long as it does not overload the tail motor.
Also seems like the lack of flex makes it more possible to bend the shaft on the tail motor.

More testing to come

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04-08-2011 07:55 PM  6 years agoPost 24
smittylube

rrVeteran

Santa Cruz, CA

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took it out today- stock tail blades were 100% better than the ones out of the box. only one time when I almost dropped it into the grass did it blow out when I panicked full collective. swapped it out for the trex blades and it felt as if the motor was not powerfull enough and it flew terrible. stock blades back on and locked in nice again.

YMMV

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04-08-2011 08:24 PM  6 years agoPost 25
Justin Stuart (RIP)

rrMaster

Plano, Texas

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I wonder if the tail fin is inhibiting the tail rotor's ability to move air?

Avant RC
Scorpion Power Systems
Thunder Power RC
Kontronik Drives

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04-08-2011 08:53 PM  6 years agoPost 26
HBJ069

rrNovice

alabama

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I dunno, I have had the trex blade on for 2 weeks or better and it works. As far as the tail motor I think they are about the same. Oh also I am running the 240 mah Hyperion packs that have more pop than the stock batteries, Could be the difference?

Justin I did take mine off for awhile and it didnt seem to change much until I done some hard banks some fast backwards flying, it lost some of its stability in these areas.

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04-11-2011 02:56 AM  6 years agoPost 27
raspeitia

rrApprentice

US - WI

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I bumped the aileron and elevator to 110% and now it flips and rolls fast without blowing the tail.

Simply awesome!

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04-11-2011 05:03 AM  6 years agoPost 28
smittylube

rrVeteran

Santa Cruz, CA

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I also found out/ figured out if I just flip or roll without adding any collective it flips nice and can flip or roll in a nice tight spot. Without the tail going crazy. I am at 100% cyclic & 40% or more expo so I can hover nice and smooth.

Also - try balancing it on the main shaft upside down and check your COG. I found I needed to slide my battery back about 1/4" to where the red dot lines up w the main shaft. helps the inverted hovers slightly.

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04-11-2011 05:06 AM  6 years agoPost 29
OICU812

rrMaster

Edson, Alberta,​Canada

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It holds "to a degree" neat little toy but that's about it. Now its nice outside, this thing will sit until it must be flown. I didn't expect to much so Im not claiming it should be top quality, but overall these little things are good for a laugh but not much more really, I can't even bring myself to recognize it as a heli lol.

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

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04-11-2011 12:02 PM  6 years agoPost 30
Turner0022

rrApprentice

Old Hickory Tn

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i must agree with OIC

I am unstable and have no safe mode

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04-14-2011 12:29 AM  6 years agoPost 31
smittylube

rrVeteran

Santa Cruz, CA

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I tried another tail boom/motor and it was only slightly if any better. holds to a degree.
SO I took my original one, and stretched it 19 or 20mm. on collective stabs it is better 'to a degree' more. Will have to see how it holds up in a crash hehe as well as performance in flight. Oh and it still balances..

All I can say is regardless of it's less than 'big' performance it is a hoot to fly. I want it to be able to flip it and have me control it in a small room. I have witnessed it in the hands of a truly good pilot do piro flips in a 10 or 12 foot space. Unbelievable.

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04-14-2011 01:28 AM  6 years agoPost 32
smittylube

rrVeteran

Santa Cruz, CA

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WAY Better! totally worth the 1/2 hour to do it. I can get it to let loose but now even if I am not 100% smooth it holds! Stoked!

Hopefully it holds together and does not break the frame when I crash next.. Or better yet keep me from stuffing it in when the tail lets loose.

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04-14-2011 04:13 PM  6 years agoPost 33
smittylube

rrVeteran

Santa Cruz, CA

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Totally stunning improvement to the tail. 3 quick flights without the tail blowing out. It's so much improved I can't get over it

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04-15-2011 03:23 AM  6 years agoPost 34
OICU812

rrMaster

Edson, Alberta,​Canada

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How exactly did you stretch your original one, some details to see..?

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

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04-15-2011 05:54 AM  6 years agoPost 35
smittylube

rrVeteran

Santa Cruz, CA

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super easy. found hollow carbon rod the same as the original, then found one slightly larger that it fits snug over the stock size.

I then Cut 2 pieces about 19mm long (7/8" cleaned up the ends and centers so the smaller one will fit into the larger one. I used a knife sharpening stone to put the flat spot in the smaller rod where it fits into the frame. Sandpaper or a file would work fine also. Then I took the cutting wheel in a dremel, put in a small drill bit inside the larger diameter dowel and in the middle I cut till I saw sparks. At this point I have a hole in it. I used a razor blade to slice the dowel on one side only from the hole Only do this in one direction!. And using my fingernail to open the slit up slightly - I slide the wire through and the stock boom in 1/2 way. then you stick in your small dowel piece with your flat pointing down and make sure everything lines up. get a piece of shrink tubing and slide it onto the boom, When happy with the alignment put a few drops of CA to hold your SE in place. then shrink to fit and go fly the snot out of it.

Takes about 20- 30 minutes the first time, 10 the next.
V2 will have a few design changes- notch the smaller dowel for the wire and push the smaller rod past the hole to strengthen that area. this may require a slightly longer sleeve, but will reinforce the area that was notched out.

This way eliminated the need to splice or solder any wires. even leaves enough to loop around like stock. and it still balances. Feels larger when flying.

100% worth the effort.

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04-15-2011 08:32 AM  6 years agoPost 36
v58 fuy

rrVeteran

UK - Kent

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Smittylube, please could you post a couple of pictures to go with your description as it sounds good, but struggling to visualise.

Thanks,

david

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04-15-2011 01:28 PM  6 years agoPost 37
smittylube

rrVeteran

Santa Cruz, CA

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Can't upload from my phone directly, but I have a pic of the finished product with a stock boom next to it to compare. Basically all your doing is making a sleeve that fits over the stock boom and the extention piece. CA in place and use shrink wrap for strength. Cut a hole for the wire to come out. Check my gallery.

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04-29-2011 09:31 AM  6 years agoPost 38
KevinMag

rrNovice

IA

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Tried the trex 100 tail blades. Tail didnt hold nearly as well as with the stock ones - so I guess its a dead end

If it doesnt work, throw money at it...

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04-29-2011 05:06 PM  6 years agoPost 39
sestcourt

rrVeteran

Berkshire, UK

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Just get some 2mm solid carbon rod,

- cut it to a length of 145mm
- de solder the motor wires from the white connector block that plugs into the circuit board up front
- pull your wires out of the old boom
- resolder the wires to the white connector block
- insert new solid and longer carbon boom
- wrap the wires tail motor wires a couple of times around the new boom

bang you'll have a tail that will hold 100 times better than the stock set up... 20 mins max to do, just need 2mm carbon rod and a soldering iron ;o)

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04-29-2011 05:34 PM  6 years agoPost 40
smittylube

rrVeteran

Santa Cruz, CA

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>>>you'll have a tail that will hold 100 times better than the stock set up<<<

The longer boom seriously transforms this heli. then when you get your hyperion 240's your going be amazed at what you can do.

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Blade mCPX › Does your tail hold when flipping?
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