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blackliontoday at 4:37 PM2 repliesview on HN

Interesting, that this form-factor was popularized by DIY builders. First one was dutch-built, sponsored by Red Bull after prototyping stage, to film Verstappen's full F1 lap (so semi-DIY, so to say), but then record was taken back and forth between two DIY builders — Ben Biggs in Australia and Luke Maximo and his father

Latest record by Ben Biggs was 626kph (389mph). Latest record by Luke Maximo was 655kph (408mph).


Replies

SurprisedTigertoday at 4:41 PM

You can only go so fast with propellers, as the propeller tips approach speed of sound and then life gets complicated.

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B1FF_PSUVMtoday at 6:23 PM

> this form-factor

"It must be pointy".

The photo is so murky you only notice the shiny propeller cones.