Available at https://armattanproductions.com/pages/kit_detail/1811
Overview
The Yupiter is a mid range craft intended to be smooth, reliable and... exquisite.
Let's talk numbers. 6 motors, 3 arms, up to 7" propellers, 6s battery, 10+ minutes, this monster is systematic chaos.
I know the Y6 config is not super efficient, but I was in love when I started messing around with the firsts sketches.
Also, I don't mind losing some performance to make this beast fly it's best.
The kind of flight I do with this is a few kms out, staying in the air for 10 or 15 mins, mostly high-speed cruising or divings mountains.
I'm 900 MHz RC Fr R9M link and the regular 5.8GHz video.
Setup
The currrent setup is listed at the bottom.
I'm building one Li-Ion 6s 3000mah battery to used on it. But sucessfully flew with duo 1500mah CNHL and with 2700mah. Even regular 4s 1500mah will give more than 6 minutes of flight on these 1600kv motors.
Running Betalflight and sadly this board doesn't support DSHOT on all 6 motors.
3d printed files will soon be posted here.
Regular park cruising
Photos
Part List
Show stores (7)
You can try some combinations of propellers and motors, such as
1 Both the upper and lower motors are equipped with two-blade propellers;
2 The lower motor is equipped with a propeller with a larger pitch
3 Let the lower motor spin faster
I don’t know if this is feasible, I also like the y6 layout, but it’s still being designed
The setup I fly the most has the top propeller with a 6030 and a bottom propeller using a 6042 - both triblades.
It is very efficient, I usually fly for 15 minutes cruising on a 6S-2600mAh Li-Ion.
I tried running a 7inch propeller on the top motor but these motors were definitely overpropped.
Might be interesting to see how a biblade will affect the results. Usually other counter-rotating systems go towards many blades approach.
Do you mind sharing your thoughts on the biblade use? Looking for higher efficiency?
Hi,
i'm interested, but i would like to understand how you manage the setup ?
Config = Y6, ok but most of FC only drives 4 motors including Kakute.
=> how did you do that ?
Thanks Nice build by the way.
I would like to build a huge y6 - 900mm
Hey! thanks!
The kakute I used (F4v1 AIO) has 6 motor output, the motors 5 and 6 pads are dispersed on the board but other than that not much trouble to setup. I also cannot use any dshot protocol but that was fine for me.
Even if your board doesn't explicit state motors 5 and 6 sometimes you can get away by reassigning the FC pads
Hi nic, great work!
Can you publish the drawing of the frame?or send a link to by t?
What kind of software did you use on your fc ?
Thank you!
I just set up the armattan production link for this copter
https://armattanproductions.com/pages/kit_detail/1811
I use regular betaflight (3.5 iirc), just need to change the mix from quad X to Y6
You should do some research into counter-rotating configurations - using the same motor and prop top and bottom really hurts efficiency. You're supposed to use props with specific design on the bottom: since most of the inner part of the prop wastes its power on air that's already turbulent from the prop above, you need props that are much heavier on the tips than the top props. Ideally you'd have different motor speed as well, though I no longer remember how you're supposed to figure that out.
A properly designed counter-rotating configuration can work pretty well, but finding the right props is a huge pain. Unfortunately winging it like this can lose you anywhere between 20 to 30% efficiency compared to a traditional hex.
At this point I'm not too worried about the efficiency itself of the coaxial vs regular hexa configuration, I'm really focused on experimenting with this type of copter. I should be able to carry a large battery and my plan is to stay up for about 10 minutes of cruise, so this shouldn't be a problem.
I'll test different propellers on top/bottom motors to see how it would behave, but I'm stuck using the same motors... At least for now.
I'm kinda curious to see how the FC will accelerate/decelerate the motors on it's own to maintain a stable flight. If the FC commands both motors to be, for example, at 50%, the bottom motor should drain less current.
However, my main concern is about the oscillations, I have a feeling that if I use same diameter props I'll have a lot of oscillations. I'm also planning using a combination of different 5", 6" and 7" to see how the copter will behave.
The maiden flight is coming, I'll keep updating this build with the results.
Nice toy concept. Done this (Y6 builds) myself in a distant past. Get rid of the canopy and make it battery on top. Or alternatively move the stack on top and leave it bottom mount battery. Right now its a waste of space and practicality. Y6 flies nice if done correctly. However, it's not really convinient nor is it practical or efficient.
wow i love it !! When seen from the top it the perfect mix between a racing machine and military aircraft.
Is your objective to make it flyable without a servo ? Do you know of anyone who build a flying 'Y hexa' without servo ?
I realy hope you'll build it. I just say- it is the first hexacopter I consider as beautifuly and agressive looking. My advice - give us the posibility to use 20x20 hardware and print the canopy in nylon or ninjaflex.
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Built mine in december
i absolutely felt in love with this design , and made it my dream built , and after months of savings and few weeks of nights spent building it , she was ready , after her maiden flight i decided to name her Violence , because thats what this beast is , pure violence
she rips like a mosnter and fly as smooth as butter on stock betaflight settings
i'll have to learn how to tune this setup , to make her even better
thanks for bringing this idea to life and allow people like me to build a real flying dream
( Are the printed mount gopro files availables ? i really want to mount mine on it )
That is awesome, I appreciate your comment!
I'm very glad you are enjoying her! Violence is a great name, I can see you profile pic, she does look amazing! (feel free to share more photos =D)
I've uploaded the original canopy + a couple gopro session supports I've made for her on thingiverse:
https://www.thingiverse.com/thing:4913419
thanks a lot ! cant wait to record some amazing sessions !
(thanks ! i really put effort and time into making her as beautiful than amazing , my profile pic is her 6 inch config , and i have a 7 inch biblades config too )
the website apparently wont allow me to post pics for some random reasons , but you can go check out her activity on my Instagram if you want ! (orion_fpv)