#Help with DIY Drone and BVLOS

99 messages · Page 1 of 1 (latest)

dusty topaz
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Isn't BVLOS completely illegal in India? Since you're in school, and I assume the school receives public funding, breaking the law in a school-sanctioned project would be sort of ultra-bad

elder lark
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Yeah, I am crazy so I was thinking about getting some kind of official govt. approval

dusty topaz
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Do that first or the entire concept is null

elder lark
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We just want to see if it's possible. It's not like we're hell bent on doing BVLOS

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Since our testing grounds is only limited to our school, radio RX TX is fine

dusty topaz
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It's absolutely possible. There are existing 4G solutions that drop in as a replacement for the radio/receiver link

elder lark
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Really?!

dusty topaz
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But they're many hundreds of dollars in the US

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So for you?

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🤑

elder lark
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That work with stuff like an APM?

dusty topaz
elder lark
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Yeah for us our school networth

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Dude thank you for such help, I didn't expect this

dusty topaz
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I think all of what you're wanting to do is fully achievable now without too much fuss, it just takes money

elder lark
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Hey listen, the botlink thing you sent is a product in a category right?

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So, like 1045 would be "propellers"

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what are products like these called

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I mean i wouldnt fuss even if 4G required some setup

dusty topaz
elder lark
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yeah, sorry about that

dusty topaz
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But yea, I'm not really sure if there's a name for it beyond "4G BVLOS control"

elder lark
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So wait

dusty topaz
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I guess you're looking for a 4G receiver/radio link

elder lark
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All my reqs except the 4g BVLOS related things

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could be done by a simple ardupilot compatible FC right

dusty topaz
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Pretty handily, yea

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At least, a modern Ardu flight controller

elder lark
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Omnibus f4 pro v3 (naming award goes to them)

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We planning to use that

dusty topaz
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Decent enough flight controller

elder lark
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to the ground control

dusty topaz
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Depends. Some 4G links are control only, some are FPV, some are both

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You'll need to do a little digging to find the right one for you

elder lark
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So in conclusion, all of my requirements can be done if i do: find a 4g control link that can do video transmission too, and an ardupilot FC

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Right?

dusty topaz
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Yea I think so

elder lark
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Also if you don't mind, could you help me look in the right places yk, cuz im planning to build an endurance drone so i heard painless360 is a good guy with autonomous drones and stuff

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i cant imagine how far we got in tech yet 10k mAh batteries weigh a kilo

elder lark
# dusty topaz Yea I think so

I'm sorry for being so dumb but:
4G Control link replaces the normal RX and TX with 4g enabled RX TX and VTX. or what...

dusty topaz
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Endurance is a nebulous term. Painless is a fantastic resource, but he does mostly fixed-wing airplanes. 1hr flight time is definitely achievable with the right setup in an airplane. If you need to do a multi-rotor though, Painless isn't as strong in that area, and 1hr flight times are almost unthinkable

elder lark
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i calculated mine and 45 mins is achievable under ideal conditions

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using 750KV motors and 1145's quadcopter

dusty topaz
elder lark
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Can I also connect an SD reader to the Omnibus so that it can log data inflight (or does mission planner do it for you)

dusty topaz
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The Omnibus F4 V3 has a microsd card slot that you can use to record blackbox flight data. I think the limit is 16 or 32GB

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You'll have to make sure the settings are selected for logging though

elder lark
elder lark
dusty topaz
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If you need to do 100Km both ways, you really should consider using an airplane instead of a multi-rotor drone

elder lark
dusty topaz
elder lark
dusty topaz
elder lark
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But we're limited by so many factors 2-3kg of payload we carry then

elder lark
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I am sorry if I'm being so draggy, I just needed this help

dusty topaz
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It's entirely dependent on what airframe you use. Larger wingspan (2m+) airplanes like the Volantex Ranger are more than capable of carrying a payload while also being very power efficient

elder lark
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Then for all my requirements, a 4G control link + 4G FPV is the way to go. I just hope I didn't miss any compatibility checks

elder lark
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Also planes need a pretty sized runway right

dusty topaz
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A hundred feet in a straight line, maybe

elder lark
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That's not bad. But our project involved having 2 drones

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one a light efficient scout drone with good battery, infrared, etc etc

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one a heavy medical supply carrying heavy drone (15min flight time) that drops off medical supplies to the people in disaster stricken areas

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From this info, what advise do you have for us?

dusty topaz
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Typically I see a project of this complexity in the research course of college undergraduate students

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It's quite the apple you're chewing on 😂

elder lark
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I am a pretty optimisitic person. That makes me fail

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But however cliche it might be, i failed doing the thing i love to do

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So, it's a win win situation either way

dusty topaz
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My advice would be to skip the spinning rims. Instead of using a second drone, parachute drop the medical supplies. Then you don't have to worry about docking the second drone to bring it home. I love your optimism, but your goal also needs to be achievable in a reasonable time frame

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And you don't just throw your drone out to 100Km on the first try

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It takes a lot of time and effort to prove a platform out that far

elder lark
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Sure, hehe we don't have any time limits

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It's just a project i thought of doing randomly

dusty topaz
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Sure you do, you're only in the 9th grade for so long, right?

elder lark
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Yeah, 10th is so different in india

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you got pre-boards, boards, career pressure PHEW! i got 3 months to get this done

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Pardon me but what is spinning rims?

elder lark
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But yk mostly people are far and few away in these type of situation

dusty topaz
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Nah, load the supplies in your airplane drone, fly it out, parachute drop them from the airplane, then fly home

dusty topaz
elder lark
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Hmm. That comes with the added inaccuracy of parachuting them and the requirement of flying planes a bit fast

elder lark
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But we dont have access to airplane parts and stuff rn

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its fine tho

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we'll make the school buy it

dusty topaz
elder lark
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my team is still researching. we got issued a small drone kit from our school

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So it is fine if we switch to a plane too

dusty topaz
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Yep, fill your time with research right now, I can't answer every question that might come up ahead of time so just take a little time to absorb it all

elder lark
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Thank you! I will certainly look into your suggestion. This has been a very helpful thread

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TYSM

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One last question, is the moderator stereotype really true that you guys need to spend at unholy amount of time on screen?

dusty topaz
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Nah, I'm sure there are some out there, but I am just a normal dude

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No neckbeard or anything