Kieran Schmidt-Das
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Latest Activity

John Rambo commented on Kieran Schmidt-Das's blog post Weight vs Battery life..... Thank you for making this possible
"I was always wondering why it is recommended to hover at ~50% max. throttle? Also, I was always wondering why people are checking max. thrust for evaluating max. lift capability? Propeller/motor has a max. efficiency at ~20% of its max. thrust. So,…"
Mar 14, 2016

MR60
Hugues commented on Kieran Schmidt-Das's blog post Weight vs Battery life..... Thank you for making this possible
"I do not know where the 66% rule comes from but I can confirm my 1h15 long quadcopter flight had this battery/frame weight proportion. Would be interesting to model the maths behind it."
Mar 12, 2016

T3
Ted Van Slyck commented on Kieran Schmidt-Das's blog post Weight vs Battery life..... Thank you for making this possible
"@Bart, I would love to read a blog post about the math you are outlining. I hope you write it."
Mar 11, 2016
Hellcat74 commented on Kieran Schmidt-Das's blog post Weight vs Battery life..... Thank you for making this possible
"Hi there, as an aero engineer myself I like your approach. Don't get bogged down with math just yet, just look at the data. First question is to ask how accurate your test is, i.e. how do you accurately measure battery life? At what point is it…"
Mar 11, 2016
Bart Theys commented on Kieran Schmidt-Das's blog post Weight vs Battery life..... Thank you for making this possible
"@Ted: required power scales to the power 3/2 with the total weight, available energy scales with the mass of added battery. With some boring math hocus pocus you'll end up with a battery that weight twice your empty mass. Perhaps I can write it…"
Mar 11, 2016

T3
Ted Van Slyck commented on Kieran Schmidt-Das's blog post Weight vs Battery life..... Thank you for making this possible
"@Bart: where did that %66 figure come from? Not contending it, just curious."
Mar 10, 2016
Cala commented on Kieran Schmidt-Das's blog post Weight vs Battery life..... Thank you for making this possible
"Good Kieran: take in mind that your settings changes with different weight, check your temperature components with higher weights not to damage them, different setups type affect in different proportion the added weight; Eg one test I did with my…"
Mar 10, 2016
Bart Theys commented on Kieran Schmidt-Das's blog post Weight vs Battery life..... Thank you for making this possible
"Theoretically , 66% of the total weight should be battery. In other words: multiply your drone's weight without battery by two and take this amount of battery. In practice, 50% will do because most of the times your propulsion system will not…"
Mar 10, 2016
Ben commented on Kieran Schmidt-Das's blog post Weight vs Battery life..... Thank you for making this possible
"It could be interesting also to measure battery weight vs flight time, because there should be an optimal value for optimizing flight time. (small battery = shorter flight time, large battery = shorter flight time too because of the added weight)"
Mar 10, 2016
Kieran Schmidt-Das posted a blog post

Weight vs Battery life..... Thank you for making this possible

Brief introductionHello everyone,To pass my middle school, I am required to complete a project of my own choosing. I chose to buy a quadcopter and then carry out an experiment with it. This was the first quadcopter that I have bought and I had no previous experience of quadcopters. This forum has been immensely helpful about everything from, what quadcopter I should buy, how to fly a quadcopter and smaller things such as should I purchase a different battery. Because this forum has been really…See More
Mar 10, 2016

Profile Information

About Me:
In school I had to design a project and then do it. For my project I bought a quadcopter and attached weights to it, to see what happene.
Please tell us a bit about your UAV interest
Its just for my project, plus they are quite cool to fly.
Hometown:
London

Kieran Schmidt-Das's Blog

Weight vs Battery life..... Thank you for making this possible

Posted on March 10, 2016 at 6:00am 9 Comments

Brief introduction

Hello everyone,

To pass my middle school, I am required to complete a project of my own choosing. I chose to buy a quadcopter and then carry out an experiment with it. This was the first quadcopter that I have bought…

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