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VPP (variable propelle pitch)

1864b856-7522-45ee-958e-2db949dc9341.jpg VPP (variable propelle pitch)
fbd749c2-37c7-415a-a378-7f28712e374a.png VPP (variable propelle pitch)
0224557b-dbd9-47af-a44e-c8f50548b238.png VPP (variable propelle pitch)
6071f6dc-b135-4ea8-b7d8-95af8a7358c1.png VPP (variable propelle pitch)
b630831d-7894-429c-86a5-fb6f1cfcfe46.png VPP (variable propelle pitch)
plate-5.obj VPP (variable propelle pitch)
plate-2_5.obj VPP (variable propelle pitch)
BODY.obj VPP (variable propelle pitch)
ARM.obj VPP (variable propelle pitch)
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  • ARM.obj
  • BODY.obj
  • plate-2_5.obj
  • plate-5.obj

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Publication date 2024-01-10 at 00:03
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Published to Thingiverse on: 2024-01-09 at 01:14
Design number 1700983
Blaise_fr

Blaise_fr

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3D model description

/!\ UNTESTED !
/!\ Not in plastic, designed for aluminium !

Attemps to create a variable propeller pitch system for drone motor... in fact not really VPP, not adjustable in flight but before it.

AIM1 : Reduce the pitch of a folding propeller in order to adapt a larger one without creating more drag (so electric consumption) while it push air on a larger surface which possibly enhance efficiency (so endurance).

AIM2 : Adapt the propeller pitch to the equipment of the drone, so it's mass, allowing to fly safely and more efficiently with a wider mass range.

Tarot folding hub is +-12g, this VPP hub +-19.5g in aluminium (density 2.7), so 78g on the 4 motors of a quadcopter.

For motor hub with 12mm diagonal M3 flanged srew's (quite usual).

In files plate's for -5Β° and -2.5Β°, possible to make from -10 to +10.

Should require a very accurate CNC machining (untested).
Need to thread the central hole M3x0.5 to srew the setting plate (use loctite!).

Designed with freecad0.18.

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