WHOPPER WHOOPER

By kwadkenstine on Feb 06, 2020

15 488 7

Well what words would we want whoop worshipers , wistfully wondering what wonderful wolloowing wobbly whale world of wrongness to wisper.
Works weally well.
Ducts , why , what , how.
Why is easy . So you dont hurt stuff.
What. There are 2 choices . propper ducts with close fitting blades or vanes , or prop guards.
How , how they work . Folks have said and i have noticed , throttle controll on ducted quads seems stuck and a little tricky to modulate smoothly.Aside from the coander effect , ducted fans produce thrust by acceleraiting the air through the duct , Props on the other hand are better at just grabbing the air and effectively pushing against it .
This is how i think it works.
Conclusion.
Chase quads = prop guards if anything.
Smooth steady slow = ducts.

Photos

Part List

Flight Controller	MAMBA F405 Betaflight Flight Controller F40 40A 3-6S DSHOT600 FPV Racing Brushless ESC (55 builds) Banggood.com	$42.99
FPV Camera	DJI FPV Air Unit Digital 5.8Ghz 1080p/60fps 28ms/4km HD Recording FPV Transmitter Camera Combo for FPV Racing Drone RC Airplane (293 builds) Banggood.com	$180.79
Radio	DJI Digital FPV Remote Controller - Mode 2 (61 builds) Racedayquads.com	$209.29
Goggles	DJI FPV Goggles HD Digital 5.8Ghz 1440*810 720p/120fps Low Latency with DVR Compatible With Caddx Vista for FPV Racing Drone RC (145 builds) Banggood.com	$534.29

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Discussion

MUSTFLY Feb 06, 2020

Interesting! Can you show some fly vids?

kwadkenstine Feb 06, 2020

Will do on my yt over the week end sometime

kwadkenstine Feb 07, 2020

posted a quicki on kwadkenstine yt

kwadkenstine Feb 07, 2020

Short vid on you tube , my chanell my name,

Impavidus Feb 06, 2020

That's hilarious! Are these prints located somewhere?

kwadkenstine Feb 06, 2020

All on thingyverse. just one tip. re size the dcts so you dont have to trim the props.And use bullnose props for ducts . but only if you can make the prop to duct airgap under 1mm . otherwise it is best to use props with a big winglet thingy on the tip like you see on the tips of jumbo jet wings.

OptimaZe Feb 06, 2020

Love it!

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