FAI-F1D
Free Flight Indoorist
Some years ago there was some interest thrown around about seeing just how fast a foamboard plane could go. You can read some of that here:
https://forum.flitetest.com/index.php?threads/foamboard-ultimate-speed-challenge.29898/
A couple years have passed, and @Mid7night and @Baby Brit have been egging me on (some say @wilmracer started it) with crazy shenanigans. Well, time to throw caution (and all the rules from that old thread) to the wind.
So with naming thanks to Baby Brit, I present to you the Speed Deamon, compliments of J&H Aerospace R&D. This entire thing is made possible by the new FT Radial motors which are absolutely insane in the amount of abuse they can take. Thanks to their robustness, most of the design problem revolves around cramming enough battery in the plane to satisfy the motor's thirsty appetite!
Since the fastest electric planes currently available are form the F3S competitions in Germany, I figured and HK Speedwings design could provide the basic planform:
I scratched this thing out in Sketchup, using measurements from motor and battery as my primary constraints. I also wanted it to fit on one sheet of DTFB if possible and feature some form of swappable pod so that access to the electronics would be possible. This is important since pylon birds are infamous for being packed to the limit. This aircraft is no different.
So the result looks something like this:
Span is 28", power is a 3s2200 up to a 6s1200, FT2207-1750 Radial, and a 5x5 prop for basic flying (ecalc says up to a 5.5x6.25 on 6s, for 900W total).
https://forum.flitetest.com/index.php?threads/foamboard-ultimate-speed-challenge.29898/
A couple years have passed, and @Mid7night and @Baby Brit have been egging me on (some say @wilmracer started it) with crazy shenanigans. Well, time to throw caution (and all the rules from that old thread) to the wind.
So with naming thanks to Baby Brit, I present to you the Speed Deamon, compliments of J&H Aerospace R&D. This entire thing is made possible by the new FT Radial motors which are absolutely insane in the amount of abuse they can take. Thanks to their robustness, most of the design problem revolves around cramming enough battery in the plane to satisfy the motor's thirsty appetite!
Since the fastest electric planes currently available are form the F3S competitions in Germany, I figured and HK Speedwings design could provide the basic planform:
I scratched this thing out in Sketchup, using measurements from motor and battery as my primary constraints. I also wanted it to fit on one sheet of DTFB if possible and feature some form of swappable pod so that access to the electronics would be possible. This is important since pylon birds are infamous for being packed to the limit. This aircraft is no different.
So the result looks something like this:
Span is 28", power is a 3s2200 up to a 6s1200, FT2207-1750 Radial, and a 5x5 prop for basic flying (ecalc says up to a 5.5x6.25 on 6s, for 900W total).
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