Super Fast homemade rc plane 251 Kmph+ Speedpass
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Uploader Comments (jacquesone100)
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Another option which works with your 22.7 volt lipo would be to change to the Neu Motor 1509/2.5Y 1450 kV. 1450 rpm per volt with 22.7 volt puts you right at 33,000 RPM (assuming no voltage drop), but would be really close to what you are looking for with a 6.5 x 6.5. This is an expensive option where a cheap option would be to go to the "Turnigy 2200mAh 5S 30C Lipo" 18.5 volt lipo which would put you at about 34,000 RPM @ Mach 0.86. Cheers!
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wow some pro response :)
i like that...thx for ur input man...im gonna check out if i can do such things with my ESC
Thx again man!...appreciate it!
Jacques
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The 6.5 x 6.5 prop is probably the better choice for your top speed since it has a greater pitch and smaller dia than 7 x 5. I think the problem is your prop is going transonic with your setup. For the airfoil on the prop anything faster than Mach 0.85 is going to have reduced lift due to the pressure wave building in front of the leading edge. If you can set a RPM limit in your ESC to about 33,000 RPM that is Mach 0.84 for the 6.5 x 6.5. For the 7 x 5 Mach 0.84 is about 30,500 RPM. Cheers!
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The Peregrine is renowned for its speed, reaching over 325 km/h (202 mph) during its characteristic hunting stoop (high speed dive),[6] making it the fastest member of the animal kingdom.
Your going to need a bigger motor.
:)
ApfelDerZwiet 1 month ago
@ApfelDerZwiet Hehe...you did your homwork well!
thx for cool comment man i appreiciate it
and thx for watching!
Jacques
jacquesone100 1 month ago
where is the location you do flying?
ONPRIEL 1 year ago
@ONPRIEL in noordwijk holland :)
jacquesone100 1 year ago
Jacquesone.... your a sick man! I love it!
Nocept1 1 year ago
@Nocept1
thx Man!! lol i just like going fast..
the Neu Engine is a real beast!
cool u like :)
Jacques
jacquesone100 1 year ago