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Thread: R/C helicopters

  1. #691
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    Correct. That's why the slop helps because it allows the Heli to nose in good and go....When they are fresh out the box they will take off quick but very quickly right themselves and slow down.
    Pyro, i know you are stressing the point of a smaller one first but i would rather just get the one i want and learn with it as the cost of repairs probably wouldn't exceed the 2 or 3 steps in different Helis that most people take anyway, plus the repairs on those to boot.
    I have also been advised that the larger ones are way more stable to fly anyway so a good trainer set and a couple of weeks i'll be good to go. I just don't get disoriented anymore at all so learning the program and controls will play the biggest part in success and possibly a few PM's to you. ; ) I already have a basic understanding on how the collective pitch works on the sticks so i think i will be ok...





    Quote Originally Posted by pyro View Post
    Coaxials are always limited in forward flight speed, since the upper rotor is constantly fighting the swashplate input to the lower rotor to provide stability.

    The Blade mCPx is a fantastic micro collective-pitch heli. I love mine.
    Ron Paul 2012 Because its an election, not a Cult...

  2. #692
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    I am NOT a big fan of training gear. It really seems to make a heli's response sluggish and sloppy. Simulator time is the best training gear. I never used any sims on my computer-- The fixed-pitch mSR and Falcon were my orientation trainers, and the mCPx was my collective-pitch trainer. Moving up from twitchy, sensitive micro helis to a 450-sized bird was a very comfortable transition once I was confident flying the small birds.

    Collective pitch was a rude awakening when I first got my mCPx. I had to completely re-learn altitude control and teach myself to use the Throttle Hold switch, but it was well-worth it. It helped get me past the "nerves" phase. If you fly it over tall grass, it will not break anything when you crash. It's super fun to bring on vacation.

    I strongly agree on the stability of large helis. However, I will never own another helicopter with a flybar. I am completely sold on the locked-in stability of electronic 3-axis gyro's, and the simplicity of the flybarless head, which links the swashplate directly to the grips without any mechanical mixing. When the wind gusts hit, there's no pitching or cyclic drift-- The heli stays perfectly locked in its attitude and heading, requiring only good collective management to keep it in the air.

    There's a reason why Horizon and others are rushing to develop new flybarless helis to replace the old models. I heard that the Japanese heli outfit Hirobo is in the process of patenting the mechanical flybar, so they will soon be a thing of the past with other manufacturers. If Hirobo wants to patent obsolete technology as an exclusive feature, more power to them.

    I was almost ready to order the new flybarless Blade 450x as a Bind-N-Fly, but Horizon Hobby kept delaying the release, so I went ahead with the Align, and I'm confident I made the right choice.

    I now have about 6 brief flights on my T-Rex 450 V2 3GX-- I absolutely love it.

    Last edited by pyro; 02-07-2012 at 12:40 PM.
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  3. #693
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    Here's another look at my neat "inside" wiring...





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  4. #694
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    Got it all back together again. I had a little "issue" last weekend due to a programming error. Had to replace the main blades, tail drive gears, spindle, and main shaft. I also upgraded to some top-of-the-line Curtis Youngblood Radix main blades. The main bearings and blade grip bearings are still a bit notchy, but I have new ones on order. Airworthy again.

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  5. #695
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    I've been flying this tiny Walkera Genius CP heli. This thing is great - about the size of an mSR and it has a 6-axis gyro, though I keep it in 3-axis mode. The gyro is fully adjustable which is very cool for a heli this size. This heli is a bit of a handful compared to the other CP helis I fly but it's really fun.





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  6. #696
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    Ultra micro CP's are awesome for orientation traning and backward 3D flying.

    The Genius CP was Walkera's answer to the mCPx.
    I got onoe of these on the day of its release last March.

    (also pistured next to the mSR)

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  7. #697
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    I've been flying the little heli I won from Greg. I can't believe how rugged that little thing is! I've mastered hovering but when I try forward motion it gets ahead of me and spins and I can't seem to recover without crashing. I need more stick time I guess.

  8. #698
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    Daddy, put your helicopters away and play with me!!!

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  9. #699
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    Swapped out the aluminum tail boom for carbon fiber. Also upgraded CCPM servos to HiTec HS5065MG's.

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  10. #700
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    Looks great, Chad. I need to set up my Raptor and have fun with it. Seeing your heli outside really makes me want to use the bigger ones.

    Check out this new Walkera dual-coaxial heli. I have to give them credit for being innovative, but can you imagine the resulting damage from crashing this? This is their model of a Sikorsky X2: http://en.wikipedia.org/wiki/Sikorsky_X2







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  11. #701
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    A flybarless co-axial with a thruster prop? That's perverted! WHY?
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  12. #702
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    Quote Originally Posted by pyro View Post
    A flybarless co-axial with a thruster prop? That's perverted! WHY?
    Speed.

  13. #703
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    I guess I never knew about the real one it's modeled after until I researched it just now. Neato.
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  14. #704
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    I have a Lama3, which is the "half-CP" coaxial from Walkera, and it's a ton of fun to fly and extremely powerful and surprisingly, quite fast and responsive. I bought it mostly out of curiosity to see just how well a single-motor, collective pitch coaxial would fly. Interestingly, the Lama3 has a one-way bearing on its main gear, but I'm not sure if it's possible to auto-rotate a coaxial. It's a very interesting set up - the heli's main gear has a planetary gearset internally, as well as a cogged belt that drives the top rotor. It changes rudder by loading the lower rotor appropriately for each direction. So, the two rotors are always rotating at the same speed. The rudder system works very well, but predictably, it can cause slight changes in altitude that needs to be compensated for when you apply a lot of rudder. It has a very large brushless motor and it will climb freakishly fast. Even though the Lama3 is a coax, this heli is not so easy to fly though. It's definately not a beginner heli because of its quirkiness. I never crashed it, and I would hate to think of the kind of damage it would sustain. Bt default, it does not have a throttle-up mode, which would be mostly useless for it anyway. Still, I think you could easily program the radio to give it throttle-up.





    I wish you were coming to the River Ranch - you could help me set up my Raptor. It would be a lot of fun to bring all of the helis there for some flying.



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  15. #705
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    Nice gardens Greg!

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