V5 drone


#103

@P_Mania That’s what I was thinking too. Standoffs are WAY lighter than conventional structural components, and you could conceivably make a very tight and lightweight frame, only using aluminum plates for motor and rotor attachment.


#104

here is some valuable info for all teams 4 drone building
08%20PM
I greatly suggest making a 3D frame, printing it, and LOOKING AT THE PITCH!
our team would be doing this but we do not have a lot of materials
here is the link to the website I used to find out these calculations.
thank you for considering this


#105

FYI to get 10200 RPM you need a motor with a 600RPM cartrage and it also needs to be geared 1:17


#106

@Royal_Freedom While I used metric for momentum theory, I did not consider the actual definition of thrust :sweat_smile:. You are on point, and that easily explains why my calculations were so far off what @Download_Complete’s calculator suggested.


#107

this would be a

big gear|small gear
____________||
_______big gear|small gear
___________________||
_______________big gear|small gear
___________________________||
_______________________propeller


#108

yes defenition of thrust is x-tremely important


#109

Drone Calculations_v3.pdf (168.2 KB)

Okay, so using @Royal_Freedom’s corrections and @JamesChase7422C’s calculator, I have a hopefully more realistic grasp on these calculations. I am using a 3:125 gear ratio to get the 20,000 RPM needed to lift a drone assuming that the weight of the drone (not including necessary hardware) to be up to 3/4 lbs.

Also, I live in Florida, so the air temperature is usually around 86 degrees Fahrenheit.


#110

now do we have enouph KW/H?
I see .339 KW/H is that correct?


#111

My teammate wanted us to try this. I will be following this thread closely…


#112

It’s not a water game, its an air game! Vex theory time: Since V5 and legacy parts could be built in a way to fly, VEX may have designed a game in which you could do the competition grounded, but one in which flying would give you the advantage, think about turning point compared to other VEX games, it is the game in which a flying robot would give you the greatest advantage, also, with the new gyros and more powerful, faster motors that have a much more stable power consumption, not only is it likely, it could be that VEX is slowly pushing us in this direction. Think about how easy turning point would be with a drone which flew over the competition to either fling balls or pick up caps, it would almost be too easy. But that’s just a theory, a VEX theory.


#113

Actually, vex standoffs are a little over half the weight of an aluminum c-channel of the same length, so the weight savings aren’t that dramatic, especially when you consider that the standoffs will likely have to be doubled up to be structurally sound. What I was suggesting is a possible way within the rules to use nylon standoffs, which would be significantly lighter.


#114

also standoffs would be more prone to falling apart unless you use lock tight


#115

this drone will vibrate a lot so you need to use a good secureing system


#116

look what I found! 68648 68649


#117

68650


#118

it isnt exactly all vex but it proves it can be done


#119

Does it work?


#120

im not comleately shure
I will put the link in a comment


#121

here is the link


#122

Is it yours?