Finally flew my Skyfun FPV - RC Groups
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May 08, 2010, 10:50 AM
Flying FPV from the lab.
aaron_gx's Avatar
Discussion

Finally flew my Skyfun FPV


I've had the skyfun forever, its an awesome airframe for line of sight flying. Well, I crashed her hard, and had to rebuild her. I had some extra FPV equipment laying around, so - why not???!

200mW 2.4ghz video TX, CX-161 w/1.9mm lens on board. No pan or tilt.
2200mA 3S for motor, 1050mA 3S for video.
2200kV 2826/6 motor w/6x5 prop
Futaba DF-168 rc RX / ferrite rings on servo leads & esc.

Very simple setup, but its proven itself pretty nicely. I never took it very far this flight, but I'll push out farther now that I have more confidence.

Here is the first flight:
Skyfun FPV First flight (3 min 34 sec)

What a blast! Shes quick! And, I never hit anything more than 3/4 throttle even once!
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May 08, 2010, 01:18 PM
Registered User
wallaguest1's Avatar
hope the image in live was quite better, because looks very blurry in the video
May 08, 2010, 02:11 PM
SILURIA / UK
Shikra's Avatar
Hi Aaron I also have one of these - it's my favourite FPV plane to fly. You'll have lots of fun!!

Get a big field and fly down low. It is simply awesome. I've got some posted up on vimeo too

Is the cam inside the plastic canopy?
May 08, 2010, 03:35 PM
Flying FPV from the lab.
aaron_gx's Avatar
Quote:
Originally Posted by wallaguest1
hope the image in live was quite better, because looks very blurry in the video
You are right... I need to do some focusing. Maybe more. This CX-161 camera looks much much different than my other cx-161, Im not certain why. I have a 2.3mm lens on my other one, and it looks much more sharp and colors are more vibrant.

This 161 has a 1.9mm lens, and Im using a switching bec to power it. Maybe all 161's arent alike? Maybe this lens doesnt have an IR filter? I know its not my TX or RX, it looks worse in the goggles than the recording.

Quote:
Originally Posted by Shikra
Hi Aaron I also have one of these - it's my favourite FPV plane to fly. You'll have lots of fun!!

Get a big field and fly down low. It is simply awesome. I've got some posted up on vimeo too

Is the cam inside the plastic canopy?
It made me pee a lil'. Simply awesome is right. Once I get the camera picture prob's sorted out, Im going to rip it up!!! I've watched all your skyfun vid's, Shikra - your the one who inspired the conversion to FPV. The cam is not inside the canopy, it just looks really crappy.
May 09, 2010, 10:50 AM
Flying FPV from the lab.
aaron_gx's Avatar
So after exhaustive testing, I can conclude that the 1.9mm lens i have for my cx-161 is garbage. It must be lexan or plastic, the glare destroys the image. I noticed the 161 lens has different threads and size than my kx-131 or similar ccd's. What do you call this size? I want to find a replacement on the internet.
May 09, 2010, 05:47 PM
SILURIA / UK
Shikra's Avatar
Thanks for the kind comment! Wow.

That lens gave the effect of being in the canopy!! I tried it and didn't like it.

For the cam, I use a 3.6mm lens, but I do use headtracker. It would be fine without at that size. I launch FPV, but with the headtracker disabled - otherwise the cam will be all over the place as I throw.

The kx550 /sn505 is perfect for these - small size. And good resoloution too. Have also used ccd killer, but need good lighting for that
May 10, 2010, 11:23 AM
Flying FPV from the lab.
aaron_gx's Avatar
Well, I really dont want to install pan or tilt. I kinda like the fixed-1.9mm lens. I dont like the way it looks though. I will look at a few different camera options. how does the kx550 stack up against the cx-161 for price?
May 10, 2010, 12:34 PM
SILURIA / UK
Shikra's Avatar
Not good on price - but it's the best non pixim cam I've seen. US cctv stores do them cheaper than FPV stores - some threads on those. VSN500NHB / 505NHB for 12v / 5v variants if I recall.
They are smaller than most of the other cams.
I'd be happy to fly one without pan/tilt on this plane. 3.6 seems to be the most frequnetly used size too.
May 11, 2010, 09:42 PM
Post # 20 million
Kev.au's Avatar
Nice, im thinking about getting a Skyfun, what flight time are you getting and whats your AUW.
May 12, 2010, 01:28 AM
Flying FPV from the lab.
aaron_gx's Avatar
Quote:
Originally Posted by Kev.au
Nice, im thinking about getting a Skyfun, what flight time are you getting and whats your AUW.
Im not certain about AUW, dont have a scale. But, with a 2200mah 3s main and 1050 3s video battery I am getting about 15-20 if I'm easy on the throttle. 10 if I hot rod it.

I had a hell of a good run today, and just finished editing the 1-in-a-million crash video of my skyfun today. I will start a new thread for the debut of this masterpeice

Still getting horrible results with the camera. I got a special allen key finally, and made a small focus adjustment and its slightly better, but not much. I think I'll have to spring for a new cam. Darn. $$$ isnt my middle name right now!
May 14, 2010, 01:35 AM
Registered User
mecevans's Avatar
what is your AUW? how does it fly low speed?
May 14, 2010, 03:40 PM
Flying FPV from the lab.
aaron_gx's Avatar
Quote:
Originally Posted by mecevans
what is your AUW? how does it fly low speed?
Dont know the AUW, dont have a scale! But it flies well all around. It will stall easily if you try and float slowly.
May 25, 2010, 09:33 PM
Flying FPV from the lab.
aaron_gx's Avatar
So I figured out why my cam was so blurry. It did not like the switching BEC I was using to power it. As soon as I installed my Linear regulator from rangevideo it has suddenly become clear as day. Im also powering everything off my main battery, just tapping 2s from the balance leads of my 3s 2200 flightpack.

I am very happy now. I hope for some good weather now, this is gonna be great. I have a 540tvl camera on its way, but this is fine now! I guess the nice 540tvl can be installed in something I dont plan to crash as often
May 27, 2010, 11:01 AM
You down with EPP?
johnnyrocco123's Avatar
Who makes the skyfun? links?

Thanks
May 27, 2010, 05:42 PM
Yeah Baby
bignose13's Avatar
Quote:
Originally Posted by johnnyrocco123
Who makes the skyfun? links?

Thanks
Not sure who make it but you can buy it here
http://hobbyking.com/hobbycity/store...idProduct=9614

Simon


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