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FIRSTLEGENDS at checkout.The first and only 3″ 1S 18650 quadcopter with foldable, soft-mounted arms and 20+ mins of flight time! Fractal Engineering's foldable take on the 18650 1S 3" long-range trend. Introducing the Wingman, a quad like this is more known for having a powerband more suited for cruising/exploration/surveillance than freestyle/racing. Though this is still very capable of freestyle, as shown in Infinity Loops video on this quad.
Check out our other 3" frames, and our Fractal Engineering Products!
Well, the Wingman is all of that, and much more!
The idea for this frame stemmed from Dave C’s nano long-range, concept -obviously!-
I was immediately hooked on the idea of being able to pop a single, general-purpose 18650 li-ion cell on a quad and cruise around longer than with any of my freestyle rigs
Back then the only frame option was the original 3D printed one
I knew I could greatly improve upon the concept by utilizing carbon fiber, but I also knew that by the time I would be ready to release, I wouldn’t be the only one with a CF arms nano LR
So I decided to up it a notch; I’ve had this idea of folding arms in my head for a while, and the lightweight, low load use case of that format would be the best proving ground for it
Over a year in the making, after many iterations and countless hours of testing and tuning later what is the result?
The major unique feature of this frame kit is obviously the folding arms
And the way it manages to achieve this feature in such an integrated manner is where the whole secret sauce resides
This 3″ 1S format offers the possibility to push incredibly intricate ideas down to an incredibly simple execution thanks to the low prop load
In this case, I’ve chosen to make the top and bottom plates clamped to the standoffs,
While using the same standoffs as pivots for the arms, themselves sandwiched between 2 TPU shims and a nylon spacer to press them down in position
Those TPU shims also serve 2 purposes at the same time; they primarily provide friction for the quick deployment of the arms, while also dampening the junctions
This helps reduce the number of vibrations transmitted to the FPV and HD camera (more on that in a bit) and the FC gyro, enabling smooth footage and easy tuning
The spaceframe carbon fiber body was meticulously designed to only keep material where absolutely necessary
This includes protecting all the electronics and maintaining a rigid platform,
While pocketing everything else for lightweight and airflow
Making it only 24g frame only, or 60g ready to fly excl. battery
For being designed around ease of use and quick deployment, I went for a friction fit with a light detent to hold the arms open
Just simply pull the arms out until the detent clicks, and push them back in when you’re done
That means no manual latch, no thumbscrew, no positive lock
This also means that in the event of a crash the arms might fold and you would need to go get it…
…But you’re also more likely to be able to take off again without any damage, as I’ve found during testing that the folding appears to absorb a lot of energy that might have snapped something otherwise
In any event, let that be clear that this remains a stable and soft cruiser above all; you won’t have much fun going bando bashing with it I can almost guarantee it
just a great tool to always have with you, just so many uses for it
