Yes he flew it yesterday morning early before the winds picked up. It's
not waterproof, so that aspect is a bit concerning, esp if launching
from a boat or it crashes in the water. I told him to zip tie some
plastic bottles to it to give some flotation. $1500 is not cheap, but it
is worth the risk I guess.
--FT
On 4/29/19 9:09 AM, Meade Dillon via Mercedes wrote:
The limiting factor will be wind, especially at sea, so hopefully he knows
the limits of the machine and keeps "a weather-eye aloft".
Probably would be a good idea to develop plans for recovery of the drone in
high winds, like (1) recognize when winds exceed ability of the drone, and
(2) ID a down-wind recovery point, or (3) change altitude to get winds more
favorable to recovery. Is it water proof and does it float?
-------------
Max
Charleston SC
On Mon, Apr 29, 2019 at 8:56 AM Buggered Benzmail via Mercedes <
mercedes@okiebenz.com> wrote:
My buddy who does coral research just bought a $1500 quadcopter for
research purposes. Yesterday he had it out testing it using a takeoff,
programmed flight path, and return to takeoff position. All on autopilot
using the phone “remote controller” and copter gps locations. He said it
would land consistently within a foot of its launch point after flying
around for about 30min. This performance using a probably $5 GPS chip the
size of a small cracker...
He programmed it (using an app on his phone that talks to the machine) to
fly a grid at a certain altitude and snap images every few meters that can
then be combined into a large high-res photogrammetry image that will have
sub-centimeter resolution and can be used to make 3D images too. This takes
a huge amount of time to process on a computer using some special software
that is readily available. His colleague has some camera filters they can
use to get multispectral images too, compile them into layers.
He’s taking it to Indonesia in a coupla weeks to do offshore coral
surveys. I’m going to go visit some evening this week and check it out.
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