TRICOPTER LR – Long Range FPV, 1h+ Flight time, Foldable multirotor – Build Video.

TRICOPTER LR – Long Range FPV, 1h+ Flight time, Foldable multirotor – Build Video.

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Dronin setup video:
This is the Tricopter LR (Long Range). Efficient, nimble, transportable and with long flight time, those were the goals when designing this copter. The low drag and long flight time make this copter very well suited for long range explorative flying.

There are few things more exhilarating than flying high and far. Navigating by landmarks, flying above the clouds at sunset, diving down mountains and exploring the surroundings is the name of the game. The thrill of knowing it’s only your own navigation skills that will get your copter back is very addictive, not to mention the incredible views you get to experience.

The Tricopter LR ticks all the boxes when it comes to this type of flying. The frame is lightweight, allowing for more battery capacity to be carried at the same final weight. It also swings up to 8″ propellers, which give close to double the prop area compared to a 5″ quad and almost the same disk area as 7″ quad! With only 3 arms, less lift is wasted, due to less air-blocking arm area. The LR also uses narrower (but thicker) arms to reduce that drag even more, without sacrificing stiffness.

Not a fan of the screaming 5″ quads? The tricopter LR is very quiet compared to smaller crafts. The larger, slower spinning propellers generate a lot less noise. They are also more efficient, generating the same amount of lift at a lower RPM. Instead of that 5″ high pitched screaming, which draws attention and disturb others, the LR makes a low tone “wosh” sound that doesn’t carry far and is much less annoying to be around.

Thanks to the slimmed down design, the tricopter LR frame only weighs 112 grams. That is almost half of the already lightweight Tricopter V4! Less weight means more battery carrying capacity, which means longer flight times!

The kit includes a tilt mechanism made from fiberglass reinforced black Nylon which was forged in the fires of Mt. Doom (ok, maybe not), making it almost indestructible. It’s the same plastic used by high-end propeller manufacturers! This tilt mechanism is designed to give minimum air resistance and be as simple, precise, light (only 10.6g) and durable as possible. The design features a spline directly integrated into the part. The recommended servo simply slides right in and gets tightened down by the same screw that is used as the pivot point. Simple, strong, and easy to assemble.

Easy to transport
Despite having large 8″ props the Tricopter LR is easily transported. If you pull on the front arms they fold back making the whole copter super compact! Small enough to fit in a backpack with plenty of room left over for all your other gear. The best part is that no tools are needed for folding and unfolding! This makes transportation easier, and it also helps prevent damage in a crash. The arms can simply fold back and absorb some of the energy on impact.

Plenty of space
There is extra space in the frame for all kinds of electronics. Mounting a large video TX, GPS, full-size receiver, and such is possible without the frustration and Tetris playing associated with many other builds.

Video capabilities
Capturing beautiful imagery is a huge part of flying long range. That is why we went to great lengths to make sure that no props are visible in the image (when using the recommended setup). This was no small feat on a copter swinging 8″ propellers on a compact frame but we did manage it! Now you can share gorgeous HD video without distracting props or obstructions. The LR is designed to carry both the smaller GoPro session cube style cameras as well as full-size GoPros even without a 3D printed housing.

Long flight time
Thanks to the recent advances in motor technology we now have smaller, lightweight, more powerful and efficient brushless motors. The 6S battery trend on mini quads has lead manufacturers to make lower kV motors in the same small form factor. The Tricopter LR is designed to take full advantage of this, using 3S (for long flight time) or 4S (for bonkers flying). The recommended 1600kV 2207 motors weigh less than half of the motors previously used on the Tricopter V4, yet they are more efficient. That is even more weight saved that can go towards battery capacity, which together with the higher efficiency of the motors equals more flight time. We have put together a super efficient electronics pack for the Tricopter LR that, with the right battery and a light build, makes it possible to achieve over an hour of hovering flight time!

Empty frame weight: 112 grams
Motor to Motor distance: 350/310mm
Size unfolded: W380 x L290 x H54mm
Size folded: W65 x L290 x H54mm (not counting propellers)
Recommended all up weight: 650-1100 grams
Flight time hovering: ~40 minutes (3s 5200mAh) – Exploring the RC world, one crash at a time.

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