VTOL engineering, motor RPM vs weight loads,

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SUMMARY

The discussion focuses on the engineering considerations for building a personal VTOL (Vertical Take-Off and Landing) craft, specifically addressing motor RPM and weight/load capabilities. Key points include the importance of selecting appropriate motors and rotors based on lift-to-weight ratios, as well as the potential benefits and drawbacks of integrating a small gas-powered generator to supplement electric power during flight. The conversation emphasizes the necessity of establishing a clear mass and energy budget before making further design decisions and conducting prototype test flights.

PREREQUISITES
  • Understanding of VTOL engineering principles
  • Knowledge of electric motor specifications and performance metrics
  • Familiarity with rotor dynamics and lift calculations
  • Basic concepts of energy budgets in aerospace design
NEXT STEPS
  • Research electric motor RPM specifications for VTOL applications
  • Explore rotor design principles for optimal lift-to-weight ratios
  • Investigate the integration of gas-powered generators in electric aircraft
  • Learn about energy management systems for hybrid VTOL designs
USEFUL FOR

Aerospace engineers, hobbyists designing personal VTOL crafts, and anyone interested in the integration of electric and gas power systems in aviation technology.

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TL;DR
building a personal VTOL craft
choosing the right motors, the RPMs and weight/load capabilities of the motor/ rotors, combined abilities of electric motors working in tandem, choosing the correct rotors for lift m/ weight ratios, or designing your own?, should one add a small gas powered generator to assist in stable electric power while in flight rather than relying solely on stored NRG contained in batteries/>weight
 
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Davebjones1292 said:
TL;DR Summary: building a personal VTOL craft

should one add a small gas powered generator to assist in stable electric power while in flight rather than relying solely on stored NRG contained in batteries/>weight
That will increase the weight and maybe extend the range. Just how you should do that will depend on your unspecified mass and energy budget, and that will not be known until more critical decisions have been made, and the prototype has undertaken some test flights.

I believe you are getting ahead of yourself, extending the design and increasing the mass, at this early stage. There are more fundamental choices that must be made first.
 
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