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HomeAircraftHelicopterPhotos and Videos › Yet another great Nick Maxwell video!
11-15-2014 05:45 PM  3 years agoPost 1
zoot408

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MI.

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11-17-2014 04:04 AM  3 years agoPost 2
Flys4Fun

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new mexico

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Cool flight, Nicks not a half bad pilot, lol

On another note, 3 blades is great and all, but for more cost and complexity it seems to do just the same as a two bladed head, lol. good for rich guys, poor guys who like more debt and sponsored guys, very good for blade manufacturers, hook line and sinker suckas, says them lol

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11-17-2014 07:31 AM  3 years agoPost 3
Daved Gutierrez

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Agreed

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11-17-2014 08:05 AM  3 years agoPost 4
Santiago P

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WOW! thats is some cool flying.

@Flys4Fun
I disagree. IS not a fad for rich people or blade companies, but is a viable alternative if you are looking for the next level of performance. The complexity is only a hair higher than 2 blades, and most FBL systems can handle wicket fast cyclic rates w/o a special upgrade. JR and Minicopter already sell 3 bladed heads and many folks are enjoying the difference.

Cudos to Nick for being innovating and putting out a USA made mod.

S

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11-17-2014 08:15 AM  3 years agoPost 5
Sam2b

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Tacoma, WA

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@Flys4Fun, I'm with you. But, for those "rich guys" they can use this 3rd blade for speed runs.
A little more bite, a little more stability, do I hear 200mph?

_Sam B_

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11-17-2014 08:18 AM  3 years agoPost 6
Santiago P

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Speed is more complex, but Sam is correct, a 3rd blade helps a heli fight RBS, and creates more lift, and drag...

S

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11-18-2014 05:02 PM  3 years agoPost 7
Taylor Myers

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vandalia ohio

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This has been a blast to help with and see the ways it has come along. The only way I can describe the 3-blade heli in comparison to a standard 2-blade heli is. Like two blade being an old school muscle car that has ton of power but no power steering. When adding the third blade it eliminates dampening and drastically reduces blade loading. And adds powere steering to the cyclic of the model and increases the collective a third. Insane collective response and untamed cyclic speed. I highly recommend everyone trying a three blade setup and putting in the time to optimize the setup.

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11-18-2014 07:24 PM  3 years agoPost 8
Santiago P

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When adding the third blade it eliminates dampening and drastically reduces disk loading. And adds powere steering to the cyclic of the model and increases the collective a third. Insane collective response and untamed cyclic speed.
FYI, It reduces blade loading, if the rotor diameter does not change the disk loading is the same.
The rest you nailed, improved cyclic and collective responce.

The new manuevers that Nick showed at our funfly were insane.

S

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11-19-2014 02:02 AM  3 years agoPost 9
Flys4Fun

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new mexico

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I highly recommend everyone trying a three blade setup and putting in the time to optimize the setup.
Lol, that's a good salesman.

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11-19-2014 02:13 AM  3 years agoPost 10
Santiago P

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LOL, I agree is not for everyone, but I would still like to try Minicopter's Tri head. I always had the curiosity of seeing how low of an RPM I could have with a tri and still get good performance AND a relative long flight time.

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11-20-2014 01:51 AM  3 years agoPost 11
JayL

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Leesburg GA

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I would like to try it also this kinda reminds me of fbl when it came out not a lot of people were using it. Now fbl is the norm and flybars are few and far between so in a few years who knows.

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11-20-2014 02:28 AM  3 years agoPost 12
Flys4Fun

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new mexico

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The only way 3 blades heads would make sense to the masses is if you can get a set of three quality blades for the price of two quality blades, because the only reason flybarless became the norm is when the prices dropped on the units. If flybarless units today still cost $800 like they did in the beginning, I don't think flybarless would be the norm.

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11-20-2014 03:24 AM  3 years agoPost 13
Daved Gutierrez

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Chicago, IL

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With the kind super fast rates you can get out of regular flybarless heli, how many pilots really need a 3 blade set up? This is for people who has to have the latest and bestest regardless of wheater they really need it or not. I don't know anybody that can out fly a 2 blade set up yet, does anyone?

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11-20-2014 02:31 PM  3 years agoPost 14
JayL

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Leesburg GA

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Your right thats why i will wait to try it until the price comes down but it be a while before that happens

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11-20-2014 02:34 PM  3 years agoPost 15
buster1

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Manhattan, NY

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Three blades will also allow the speed guys to go faster - the extra blades reduces "retreating blade stall" effects that occur on all helicopters, but diminishes the effect with multi-rotor helicopters and allows higher speeds. The stall can still happen, it just happens at a higher speed now.

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11-20-2014 04:01 PM  3 years agoPost 16
Santiago P

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South West, Ohio

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The stall can still happen, it just happens at a higher speed now
Correct

I did say helps fight RBS, not eliminates it.
There are so many variables at top speed.

One argument is that more lift power can be genarated with a third blade to go faster without encroaching in higher tips speeds.
Obviously, more propulsion power is required to counter act the parasite drag of the third blade while keeping below flow compresibility issues that will kill the rotor.

Thread Kidnapping Over

Back to how KOOL Nick's flying IS.

S

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11-20-2014 10:18 PM  3 years agoPost 17
Flys4Fun

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new mexico

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Hey its been a lot of fun to have a nice conversation without getting out of shape, cheers to you guys!

Nick, keep up the badass flying!!!

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11-21-2014 02:04 AM  3 years agoPost 18
buster1

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Manhattan, NY

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What head Speeds are the 3D - 3 bladed pilots like Nick flying at?

If less RPM with greater cyclic response - the benefits will be significant. If same headspeed, then a high RPM 2 bladed head will suffice and it's fast enough.

But as in the full scale arena - multi bladed rotor heads always provide more lift and cyclic response.

Look at the trend in full scale helicopters - all the modern ships are multi-bladed heads, not really 2 bladed anymore except on the lower cost end of the market.

This isn't just a new fad, there are new performance characteristics to explore.

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11-21-2014 04:21 AM  3 years agoPost 19
Sam2brrElite Veteran - Tacoma, WA - My Posts: All  Forum  Topic

Good question. With a 3rd blade, you have ~33% more of pretty much everything. That is part of the reason for the cool whirring sound the rotor makes; it sounds as if it is spinning a lot faster.

2 blades: gear ratio x with motor RPM y = 2000RPM

3 blades: gear ratio x with motor RPM y = 2666RPM equivalent to 2 blade rotor thrust

My suggestion is you should adjust your gear ratio down 1 or more teeth if you want to stay close to your present flight time. Otherwise you'll have a great time with the increased thrust, but bye-bye flight time, and possibly electrical failure due to too much load. It is not as simple as lowering the motor RPM.

With the example of 2000RPM, what I'm suggesting is to adjust the gear ratio to yield 1333RPM at the same motor RPM. Then, upon installing the 3 blade rotor, your equivalent thrust will be the same. This is where the dual stage drive trains (or huge main gears) are nice because it allows for a wider range of pinions. Adjusting the rpm after installing the 3 blade rotor might not provide the "unmatched" cyclic rates. Also keep in mind lowering the RPM also lowers the tail rotor authority (unless you have a 3 blade tail rotor, or course).

Now, that is my theory, and some of my opinion about flight time and performance.

_Sam B_

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11-21-2014 12:32 PM  3 years agoPost 20
Taylor Myers

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vandalia ohio

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To answer that yes much lowere head speed. The stock setup is a 13tooth pinion at 2100 rpm with a two blade head for 3d. With the 3 blade it's dropped to a 12 tooth pinion the tail ratio gets speed up to 4.71 with the new tail gears and 1820 is optimum heads peed for proper castle govenoring.

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