Location
San Jose, CA
About
About Me:
Computational Mathematics and Engineering Physics Embry-Riddle Aeronautical University
Please tell us a bit about your UAV interest
www.youtube.com/frojobmx
Activity Feed
"Excellent design, keep at it. Your skill is obvious."
"The frame to motor mounts are not stable. You have one ring around the booms, but two with a gap would help to reduce applied moment stresses and reduce oscillations a great deal. Also if the booms take a directly axial hit, they will slide into the…"
"Fackler, you are the man. It is very clear that you have alot to teach. Please carry on.
The argument from anti-complexity... A DFC rotor vs Arducopter; you decide what is truly complex. It is a huge compliment to the developers that it is just…"
The argument from anti-complexity... A DFC rotor vs Arducopter; you decide what is truly complex. It is a huge compliment to the developers that it is just…"
"Cold jet rotors, tip jets, powered maple seeds, ducted turbines, thrust vectoring, 3d airplanes..."
"Fackler,
How much of the vibration on the retreating blade is caused by increased pitch and flow reversal at cruise? How much pitch is wasted on countering flow reversal negative lift?
Have you seen any systems with active twist?
Do Kaman servo flap…"
How much of the vibration on the retreating blade is caused by increased pitch and flow reversal at cruise? How much pitch is wasted on countering flow reversal negative lift?
Have you seen any systems with active twist?
Do Kaman servo flap…"
"My key interests are top speed, drag reduction, hover efficiency, then anti-vibration.
The Unicopter webmaster has a lot of really cool ideas. Too bad he does not post here. We should invite him.
My key gripe is: people do a cursory trade-off…"
The Unicopter webmaster has a lot of really cool ideas. Too bad he does not post here. We should invite him.
My key gripe is: people do a cursory trade-off…"
"Teetering rotors will mast bump when disk loading goes below a certain value and cyclic is applied. Isn't it then odd that the Cobra Gunship has one?
About the 3-4-5 blade heads and balancing, it seems that for a mass difference of 0.05 g paint or…"
About the 3-4-5 blade heads and balancing, it seems that for a mass difference of 0.05 g paint or…"
"@R_Lefebvre
The three blade head with flapping hinges worries me. The blade grip's feathering axis ball is not collocated with the axis of the flapping hinge. Thus flapping angle change creates feathering angle change. If you look at the rotor head…"
The three blade head with flapping hinges worries me. The blade grip's feathering axis ball is not collocated with the axis of the flapping hinge. Thus flapping angle change creates feathering angle change. If you look at the rotor head…"
