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HomeAircraftHelicopterHelicopter Main Discussion › What is mild 3d?
04-23-2009 06:52 AM  9 years agoPost 1
kgoldie

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Guelph, ON, Canada

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I get a little frustrated reading the phrase "mild 3d," but maybe it's just me. I am just curious as to what constitutes mild 3d.

My general impression is: mild 3d = pseudo 3d = sport aerobatics.

Regards,

Goldie

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04-23-2009 07:36 AM  9 years agoPost 2
Bad Karma

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UK

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Its a euphanism for "I'm still rubbish, but dont want to say it"

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04-23-2009 08:35 AM  9 years agoPost 3
Climax

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West London, United Kingdom

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How about the term Gentleman's 3D...

Slow, simple and smooth without all the agression for old codgers like me!

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04-23-2009 09:07 AM  9 years agoPost 4
Model Match

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UK

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Its when you lose control and regain it in a spectacular manner. Then tell your flying mates that you were practicing 3d.

Like my wife watching the local 3d expert..... 'Whens he going to learn to fly properly like you can'

Model Match solution for Futaba radios

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04-23-2009 11:00 AM  9 years agoPost 5
antja

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Levin new zealand

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great comment from your wife, I like that. 3d is totally boring to watch, just a long series of mistakes.

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04-23-2009 11:09 AM  9 years agoPost 6
Flexis

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Westerlo-Belgium

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Mild 3D, well, I think when you can do the basic 3D stuff, a tic-toc, circuits in forward, backward, inverted, a loop and a roll, some flips... That sorta stuff is what I would call mild 3D, I mean you can't just go from sportflying into mad 3D in one day, the stuff in between is what I would call mild.

RJX X-treme 50EP 12s
Hovering is for planks

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04-23-2009 11:24 AM  9 years agoPost 7
Darren Lee

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Woodstock, GA

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It's what people call sport aerobatics when they are confused on the real definition of 3D.

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04-23-2009 11:37 AM  9 years agoPost 8
Richardmid1

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Leeds, England

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People who use the phrase generally mean some kind of inverted flight that is not taxing for the heli. Or sport flying with some tick tock's!

60% of the time, it works every time!

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04-23-2009 12:14 PM  9 years agoPost 9
JAGNZ

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Auckland, New Zealand

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3d is totally boring to watch, just a long series of mistakes.
You've obviously not seen Jonny Platt fly...


Jason Greenwood

www.3dheli.co.nz

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04-23-2009 12:25 PM  9 years agoPost 10
Kevo450

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NY

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So what is the REAL definition of "3d" ??

Is it some class of flight ?? and there is also classes 1a 2c 3b ??

Does it mean "three dimensional" ?? If this is it ..Which is how I always read it.The term is a misnomer.I can move a heli in a normal hover through all 3 dimensions .. Up /down .. forward / back .. left / right ...

Anyway .. To me .. the term "mild 3d" would denote the same sort of flying of a "sport acrobatic" plank ( Or a true "Scale flight" of an extra 300 )

Perhaps even the full size red bull chopper could be considered 'mild 3d'

http://www.youtube.com/watch?v=h2qVvw8zJYk

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04-23-2009 12:32 PM  9 years agoPost 11
Darren Lee

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Woodstock, GA

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Augusto's post here is the best definition I have seen:

http://www.runryder.com/t6270p1/
I came up with my own definition of 3D that I'll submit here for your consideration.

I believe 3D is any maneuver that to be performed requires the constant harmonized input of three or more controls simultaneously while the maneuver is taking place.

Using this I divided the maneuvers in two categories:

1) Quasi-static controls maneuvers:
Under the previous definition a loop, a roll and a 360 pirouette are not 3D. Those maneuvers are performed by simply leaving one control in a single spot to complete the maneuver with slight and precise modifications to compensate or correct for a perfect maneuver. Even if the maneuver requires several inputs such as in a cobra roll you do them one at a time. This doesn't mean at all that non-3D maneuvers are easy to perform. I actually believe that precise non-3D maneuvers require a very high level of sophistication from the pilot.

2) Dynamic controls maneuvers:
I consider maneuvers to be 3D as those where during the whole time while the maneuver is happening two or more controls are being changed constantly to achieve a smooth harmonized effect.

For instance:
1) A piro flip requires constant moving of the elevator and aileron control in a circular stirring and synchronized fashion while at the same time rudder is kept at a constant rate while the pitch is being changed up and down constantly to prevent it from falling. 3 controls changed simultaneously.

2) A rolling circle requires constant traveling through positive pitch with a bit of left rudder then down to the middle of the travel, no rudder and at this point that the heli is in a knife edge position a bit of down elevator then negative pitch and a bit of right rudder and then back to the center on the left stick and again while in knife edge a bit of up elevator. 4 Controls simultaneously being changed

3) A piro loop requires precise control of the pitch so the model won't lose momentum while at the same time you need to rotate the right stick in syncronization with the heli's orientation to the loop plane.

Using these criteria some maneuvers that most people consider 3D such as a funnel wouldn't fall into the 3D category because they comply with the Quasi-static controls maneuver definition. Now if you take a static funnel and you make it into a morphing funnel then it becomes 3D because to perform it you need to constantly be changing three controls simultaneously.

By the same token, fast backwards flying used to require constant input to prevent the tail from weathervaning. Nowadays with the advent of heading-hold gyros this maneuver changed from a 3D maneuver to a non-3D maneuver.

The same way if instead of a 360 pirouette you start pirouette-flying around then you need to start moving the elevator, aileron and pitch to control the location you want to move the helicopter to and this at the same time synchronized with the heli's attitude towards the flight path.

Those are what I consider the difference between 3D and non-3D maneuvers.

Augusto.

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04-23-2009 01:37 PM  9 years agoPost 12
Richardmid1

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Leeds, England

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Wierd! 3D does mean three dimensional not 3 syncronized stick inputs! If it can fly upside down for an infinate amount of time then it is a 3D heli therefore flying upside down and transitioning between right side up and upside down is 3D flying.

60% of the time, it works every time!

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04-23-2009 02:44 PM  9 years agoPost 13
Havoc

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Ky.

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What is mild 3d?
Main Entry: Mild 3D
Pronunciation: Mild 3 D
Function: Verb
Etymology: nerds on a heli forum
Date: 1970ish
1: The "hard 3D" of the previous decade
2: a statement expressing the basics of 3D
3: the action of doing a flip like a one trick pony
4: Just dabbling in the Z-axis but not firmly committed to staying there. Rather flat.

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04-23-2009 02:57 PM  9 years agoPost 14
Dood

rrProfessor

Wescanson

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Etymology: nerds on a heli forum
Date: 1970ish
Nerds on a heli forum in 1970'ish?

Yeah right.

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04-23-2009 03:01 PM  9 years agoPost 15
Havoc

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Ky.

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Maybe it was a dial up BBS.

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04-23-2009 03:10 PM  9 years agoPost 16
broggyr

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Naugy, CT

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I believe 3D is any maneuver that to be performed requires the constant harmonized input of three or more controls simultaneously while the maneuver is taking place.
If that's the case, then my hovering is classified as 3D

- Brian
irony [ay-ruh-nee', ay-er-nee'] adj.: Like goldy or bronzy, but made of iron

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04-23-2009 03:13 PM  9 years agoPost 17
Richardmid1

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Leeds, England

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Korma 3D. . I myself fly Bhuna 3D. Jamie Robertson flies Vindaloo 3D!

60% of the time, it works every time!

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04-23-2009 06:10 PM  9 years agoPost 18
holzback

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noblesville IN United States

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it is basic 3d piro flips, tic tocs, piro funnels, funnels, easy stuf

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04-23-2009 06:20 PM  9 years agoPost 19
Dood

rrProfessor

Wescanson

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Korma... Bhuna... Vindaloo...
Those sound like the coffee cup sizes at Starbucks!

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04-23-2009 06:33 PM  9 years agoPost 20
Yug

rrMaster

UK. Herts

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Yummy 3D

Watch at YouTube

Vegetable rights and Peace

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HomeAircraftHelicopterHelicopter Main Discussion › What is mild 3d?
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