Here is the link of the project page, which i think you know, inside you can find Steve Carlson and send a private message to him. I also contacted him and sent him a link to this page.
regards
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Thank you. I just registered there and sent him a message!
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wow you guys did copy his product. Its very unfortunate that you have not mentioned him originally when you released this.
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It has not the right size, they made it wider. But the length matches ā¦
I understand it from a tactical standpoint - jumper wanted to offer the first cheap rtf VTOL. Now itās the right thing to properly support the open source projectā¦
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I really hope that Stephen gets rewarded,but more important that he continues his great work as he is a very talented person,regarding Jumper they saw an opportunity and developed it,going by the post on you tube 5hrs ago they seem pretty serious about this,I hope so as the Xiake 800 has so much potential to get people into the hobby and into ardupilot.I intend ordering one in next 10 days or so as I see hugh potential for it and more important a lot of fun to be had
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There are nine data connections between the flight controllerās PWM OUT port and the power distribution board.
I checked continuity to see where these connections lead.
Channels
#1 Leads to two pads on the back of the PCB labeled āLED.ā
#2 The tail ESC (on the bottom of the PCB). For some reason this is labeled āS1.ā
#3 Starboard ESC
#4 Starboard aileron servo.
#5 Starboard tilt servo.
#6 Solder pad on the back of the PCB labeled āS6.ā
#7 Port aileron servo.
#8 Port tilt servo.
#9 Port ESC.
Hereās a photo of the top of the power distribution board with some of these connections labeled.
Hereās the bottom of the PCB.
It seems odd to me the silkscreen āS6ā corresponds with position 6 on the connector yet āS1ā corresponds with the position 2.
Another oddity is how the order of the wing channels are not consistent. The starboard wing channels are ESC, aileron, then tilt. The port channels are aileron, tilt and ESC.
None of this information is needed to use the aircraft but I thought Iād share this in case anyone else was interested in which channel did what. These are channel numbers according to the pinout on the flight controller PWM OUT connector (earlier post with pinouts). I donāt know how these channels correspond with the pins on the microcontroller.
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Thank you Marty! It is our intention to make up for it to Steve and make to get people into the hobby.
He is really talented because thanks to him we were able to enhance his design and make it possible to be mass produced. Itās very noob friendly in all ways, in my opinion. I have never flown wings, but i will try very soon myself. Coming from quadcopters, this seemed difficult in the beginning but now it seems very straight forward.
Big props to Steve and all of you here for spending your time testing this product and helping with valuable feedback and just purchasing it.
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Is there any place in Europe where it can be bought? Or in China with decently fast delivery to Europe?
thanks
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I bought it at Ali Express. Delivery is fast but expensive (about 80ā¬)
I have seen some sellers on Ali Express but none of them offers fast delivery. Where did you get it from?
Bad news: the price doubled
This is cheap & delivery is free: https://m.de.aliexpress.com/item/1005004957379568.html?spm=a2g0n.order_detail.order_detail_item.2.664b6368EBMrE0&gatewayAdapt=glo2deu
I got a second one 
Estimated delivery Jan 5th. I am looking for something a bit faster.
The expensive one was with DHL & very quick. I paid 100ā¬ less than it is nowā¦
However, I have currently very bad weather & couldnāt maiden itā¦
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I know Iām not the only one who has had trouble figuring out how to tuck the aileron servo wires into the gap between the nacelle and wing. At first inspection, it doesnāt look like thereās enough room for the wires and connectors to fit in the limited space provided.
I didnāt manage to get the wing attached correctly until I had seen how the wires and connectors could fold and fit in the space provided.
With the nacelle removed, we can see the size of the gap provided for the wires.
I was very pleased to see the wires did fit if bent in the correct sequence.
I confirmed this worked on my other aircraft which was still mostly put together.
Iām not thrilled with this solution. The wires are bent at tight angles and I think the servo wires could be damaged over time. As noted earlier, one of the extension wires had already be partially damaged before the aircraft even arrived.
If someone comes up with a better way of making this connection, I hope they share it.
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Still no manual but I have made a video showing the radio setup and things needed in Mission Planner to get it working. I ended up making the video as Iād had so many slightly āpanickedā messages from people whoāve already ordered one. Iām starting to think that this was Jumpers plan all along with the āmanualā! 
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Thank you very much for the video Lee!
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Hhaha, of course not, Lee!
It is because you are our favorite wing lover! We are beyond happy about the tutorial you have made, but it wasnāt our plan
Have you seen the tutorial we have posted on our channel? Was it helpful in any way?
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Is there a reason why you donāt release a manual?
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Hi all.
Im new to the hobby and baught this aircraft. I have some 18650 3s2p 7000mAh packs and was wondering if i could make use of them . They are around 300g and fit in the battery bay.
Is it possible to fly this craft on 3s li ion? Im aiming for maximum possible flight times and want to spend most of the time in fixed wing forward flight mode. Is it a bad idea to consider 3s li ion ( 3s2p 18650s) with high mAh capacity over a 4s lipo ? .
Thanks