I have got the "Helicopter Theory" book from Johnson for only 30 dollars. How can such a book be sooo cheap? By reading it, I have found out some of the answers I was looking for.
First, Johnson states clearly that there are 3 different methods to calculate the thrust/power and other...
Hi guys, thank you for your answers. I had to redesign the quad rotor toy Draganflyer that you probably all know, to be able to fly on Mars which has a lower atmospherical density (0.015kg/m^3 compared to 1.224kg/m^3) and lower gravity field (3.71m/s compared to 9.81m/s) and, a speed of sound...
Following the thread thread6-3970.
Hi, I would like to know if in a hover situation, the number of blades will increase the total lift. From the last thread, i have understood that increasing the number of blades is done only to remove stress from each blades by distribuing the entire carried...
