**WTH?@&#*** THIS ONE TRIED TO CRASH AND BURN TOO!
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- Опубликовано: 5 май 2023
- 67" Skywing Laser Maiden
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![BRAND NEW MODEL - Skywing 67" Laser 260 Plug 'n Play [PNP]](http://i.ytimg.com/vi/pkgVJuUnoJs/mqdefault.jpg)
![BRAND NEW MODEL - Skywing 67" Laser 260 Plug 'n Play [PNP]](/img/tr.png)
Just an FYI, I had my new SW 67" Extra NG crash in the first 8 seconds of the maiden. What I found was the connector of the right aileron was a bad crimp. Only 6 strands of wire out of the 60 were under the crimp. The rest were on top of the crimp loose. According to Theta SW changes the factory connector to fit the quick connect. If you use the SW theta servos, be sure to check all of the pins on the servos.
15:42 Thank you for this explanation. Had this on one of my planes and always wondered why, even if lateral balance was perfectly fine.
👍
I have a 67" Hangar 9 Extra 330SC with a Motrofly motor, Castle Talon ESC, and a 6S 5500mah battery. My battery is about an inch forward of where you have yours. I have had mine for maybe 6 years now and really like the size. I leave my larger planes at home sometimes and take the 67" out.
67" seems to be a sweet spot to me.
Just what I was going to mention about the carbon fiber has been known to interfere with reception.
I can only suggest to run part of antenna outside if you have no antenna outside. We have reception problems even in boats.
I have about 7 other planes with the same construction, same placement, no issues. It's not the antenna placement.
brilliant video Johm=n, infrmative and interesting. I like the post flight shakedown and found it ery interesting and will be ooking for these issues from here on out
Awesome! Thank you.
Man Lady Luck just didn’t want to show up with this one guys. Nice save John 👍🏻
Great video guys Dave your the man!!!
Thanks. I'm hoping we're over the worst of it now that it has ELRS in it.
Just getting back into the hobby, i appreciate your videos. Subbed!
Welcome to the channel.
Great flying John and filming Dave. I think you passed your probation 😊.
John you made a while ago a camera setup to film your stick movement. Have you done a video on that. 🤔. Thanks for sharing all your info with us.
👍😁
I have the GoPro mount in my field kit, but we haven't used it yet. I have some ideas on how to employ it though. Thanks for being patient. We'll work it in eventually.
@@RCVideoReviews looking forward to that. Thanks John.
Glad you got it back on dead stick before it went down great redemption flight just the same me thinks John might need a seperate Spectrum receiver analyzer to put this antenna placement to rest / Great job Dave on camera
take care
The 2nd one turned out to be a loose prop....
Beautiful field, where is it located? John, can you describe in detail how "that feels good" means when you have it trimmed. :) I'm guessing you mean, you are not holding any sticks deflected from the neutral position. At least for me, when I had the B-52H trimmed, I could let the yoke go and it would fly stable with my hands off the yoke. Looks like you are going to keep it!
LARKS RC Club in Tavares. My "feels good" is pretty much the same as yours. Hands off S&L ~50% power and I'm also paying attention to expo.
I accidentally did the furthest range test anyone has ever done lol. Had my jet facing away instead of towards me and it became a dot! I don’t know how I got it back without crashing. I went up, down, left, right, etc. until I faced the dot towards me, so I thought! and it worked out. After some time the dot started to look like a jet. Spektrum iX14 with AR630 antenna-less receiver. I am now a believer 😮😅
Yikes. Glad you got your plane back.
Glad you had no crash as that is a real nice plane, get that signal issue fixed asap.
Thanks. RX swap is planned.
@@RCVideoReviews Would like to know if that helped. and what rx
Question...
Does that Laser have muvh carbon fiber inside the fuselage? If it does not I would say you have some transmitter or receiver problems but I know for a fact that carbon fiber can cause those loss of signal problems.I would suggest poking a hole and running your antenae outside the fuse.
I figured out how to twist the wing tip into proper alignment. I fixed the heat gun upright in a vise. this enabled me to use both hands to take out the wash, running it carefully into the path of the heat.
Good work.
@@RCVideoReviews thanks. was there a problem with the signal because of so much carbon?
One thing to think about. If the canopy pushes down on the upper antenna the way it sits in the video it will be making it go in line (parallel with the other antenna lead) instead of upright. I can't tell on the video if there is clearance for the active antenna end to not be touched. As it is my understand that the uncovered end of the antennas is where the signal reacts with the rcvr and not the bulk of the wire that could be part of the rssi issue.
The active element is the last ~2.5cm. The two aerials had a clean 90 degree spread.
Then why so low of a signal?
I think I got it, but only by washing the right wingtip slightly up to match the micro subtle adjustment to the left, so that they meet. I hate that the ailerons were going to be skewed. that's not an impressive aspect of Skywing, though I'm mostly very impressed. The little tabs inside the fuse are too fragile. I've snapped off two of them.
You have have heard Dave mention he's had these types of issues on other ARFs as have I. It does seem something may be off with their jig though especially since you've confirmed the same issue.
@@RCVideoReviews What method of shimming did you use on the 67" Laser? on smaller planes, I've used a credit card sliver..
Is the XT90 with the anti-spark enough for this plane? Do you know how many amps (continuous/peak) it would take? maybe from the logs?
I'm not logging amps. I usually use anti-spark on all XT90 6s packs. Love those things.
xt90 are enough on 60-69 inch one's so yeah won't have any problems with it bc most drain abt 70-85amps max and thats on ground while pulling back so in the air abt 65-75 at amx
I know this is an old video but figured I'd comment anyway. It's worth noting that the transmit power in FrSky D16 mode on the TX16S/MPM module is considerably lower than a real FrSky RF module, which will definitely affect range. Not sure on the figures specifically but there is a RCG thread/post out there with the testing results. There's also the fact that D16 and D8 needs to be RF fine tuned when used with MPM, not sure if you did that or not. A poor tune will dramatically reduce range.
Learned somethings from your bench after flight. The aileron difference and elevator.
Awesome! Always glad to hear when someone learns something new.
Can I ask a question? I feel like an old fogey… at 39 years old ha ha!
When I flew 72Mhz and I also flew 50/53, we NEVER had range issues. We thought nothing of flying out to a speck in the distance.
Now all I ever hear is range issues. Including my own FrSky experience. It was so terrible!
I now have an LRS Zorro that I’m hoping will give me back full range, but I’m also toying with putting my JR 72Mhz gear on some other planes. Thoughts?
I have been amazed how the hobby has put up with such poor range for so many years since 72 was dumped for 2.4 🤷🏻♂️🤷🏻♂️🤷🏻♂️🤷🏻♂️🤷🏻♂️🤷🏻♂️🤷🏻♂️
You're asking good questions that require more of an answer than I'd be willing to hammer out in YT comments.
Bottom line: 2.4ghz is fast, much shorter wave length, susceptible to moisture in the air, less penetration capabilities than much much lower frequencies.
72mhz is a MUCH longer wave, still powerful after half life, but very slow in comparison.
ELRS LORA attempts to offer the best of both worlds--range and speed. Do some research on why LORA is effective.
@@RCVideoReviews Totally understand not wanting to type a dissertation in a YT comment :)
Okay, yes I have gone down the ELRS rabbit trail. And I'm in 100% with that. And if that doesn't provide excellent range I'm going to grab a 900Mhz ELRS module to play with and see what that does.
I guess I'm just surprised. I left the 72Mhz hobby for college and the like, then came back years later to everyone just putting up with failsafes as a way of life and nobody seeming to question it, or recall the days when range was never an issue.
I thought it was terrible and never thought it was any good and far preferred my old 72Mhz gear because it was reliable! Maybe LRS/LoRa will change that.
Just curious mostly! When you're the only one thinking something, it messes with your head, and I start to think that I must be the oddball. I probably am if you ask my wife, but anyway :)
Thanks for the great content, and the comment.
Hello I like this plane (laser 260) and also the ARS 300, both in 67 inch wingspan from skiwing. Which one do you think is better just for sport flying because I’m not a 3D pilot?’….thanks
I haven't flown an ARS so I really can't answer this. I do love the Laser though.
@@RCVideoReviews thanks !
Just a thought. Could solar flare activity be a possible issue?
What are you using for your TX and RX setup, what protocol?
It was an MPM 4in1 to an S6R with D16. Now, it's ExpressLRS and problem solved.
I get low RSSI all the time in my planes. Radiomaster R88, R86C, new Lemon rcvrs all the same issues. I don't understand why.
That airplane is a fantastic airplane the size the weight the design, that is going to be a hit, people are gonna like that 1, I do.
I agree 100%. I like this size plane quite a bit.
Did You see the bug in the fuselage in the big inning 😂
I'm not surprised that this plane had problems in the air - there's no pilot!!!
Joking apart, the Laser is a really cool looking craft. Looking forward to seeing the Laser in an aerobatics workout.
Antenna placement. The upper antenna point upwards when the canopy is not present - but when the canopy is in place the antenna cannot point upwards. Well, not unless there is a hole in the canopy tray. Try and position the active end of the antennae well away form any metal, like rods and cables. And avoid battery shadowing.
Elevator down? The inverted 45 degree climb had a downwards arc indicating a nose heavy craft - a contradiction there. I do prefer a linear climb indicating a neutral CofG.
Two antennas 90 degree separation accounting for the canopy and well clear of the battery. The bottom antenna was in clear space. I have been using S6Rs for a lot of years, something isn't right with this one. In any case, it's already been replaced with ELRS.
Regarding the inversion test and the S&L test: Down elevator trim to maintain S&L means it is tail heavy. The inverted arc is a matter of design, incidence, decalage, and preference. Keep in mind, we also identified a variance in incidence from one wing to the next which could also influence the outcome. Barring other adjustments (like straightening the port wing), if you prefer a straight upline with no arc, you would move the battery back, but you would also wind up with more down elevator for S&L.
Dave also mentioned thrust angle of the motor having an influence.
The answer to that question is very very long but here's a quick one, A slight arc on the 45 line upside down with 75% power does not mean the airplane Is Is tail heavy, That depends On the type of plane and your type of flying , What you like best. This test among others is to get you in the ballpark of where the airplane should be, There are other tests like the Knife edge test you don't want the airplane to pull neither to the canopy nor to the gear because that would suggest it's either tail heavy or nose heavy. So these are tests so you can set it where it's better for your type of flying .Obviously with the CG within the designed envelope. In the case of the laser John had just a very slight arc and the elevator end up down a little bit ,the way to correct that would be changing the incidents just a hair to straighten the elevator but in this case this airplane does not have adjustable stabs. or a tiny bit of down thrust on the motor . Why is it that way it could be a number of things a construction Defect, Designed that way which I seriously doubt that , Fitting the stab to the fuselage if it did not go in perfectly straight on initial installation half a millimeter that you sand off will change that incident's just a hair. It can be a number of things. To proper trim an airplane for serious precise maneuvers you have to consider thrust angles weight and balance incidents of the wing and stab and the relation between them. There are all kinds of opinions out there the best way to do it is ask one of the guys, the world champions like CPLR , Andrew jesky ,Jason schullman, Juan Rambo, Sebastiano Silvestry, brooksman. these guys have the trimming down to a T and they know exactly what to do to get the airplane flying as perfect as possible. It takes them months even I've heard some say the planes are never trimmed completely they are always trimming. Like I say that there's a lot more to talk about but it's too long I hope this helps a little bit, bottom line you find the method you like best and how the plane flies best and just overlook the little details like that elevator being down a hair.🙂
@@RCVideoReviews If I said thrust line I meant thrust angle😁
Love Bugs!
Yup
Im quite a bit out of date with RC, can you tell me which transmitter and reciever you are using?
That was a TX16s using a MPM and D16 with a FrSky S6R also on D16.
@@RCVideoReviews Thanks. I guess I'm more out of touch than I thought. I last flew a Futaba PCM 1024 Tx on 35MHz. Google translate suggests.. A TX16s is a Radio Master transmitter. An MPM is a Multi Protocol Module whatever that is. Think I'll have to do some reading up.
Love the tid bits of info. First page of most the manuals say to tighten the monokote didnt think about them twisting things up which i will watch for from now on
I didn't touch mine either--it didn't need correction.
My only concern with your one antenna placement is right next to the carbon fibre wing spar - as you well know carbon fibre is the enemy of signal blocking .. cheers
Two antennas and the active element was well clear of the spar.
Love stay amd watch but I'm at Monster Jam right now
Have fun!
lead in the red stickers?
Stickers?
Maybe the Carbon Fiber materials interfering with the radio?
Doesn't seem to impact RSSI on the other 8 EF/SW planes with similar aerial placement and CF supports. I use the same 3D printed mount for dual aerial antenna RXs on all of them.
@@RCVideoReviews Just a bit suspicious having signal issues with two completely different radios (assuming the crashed one was using ELRS). I hope you figure it out before hurting that beautiful bird.
School boy error with the Prop😂
It was on tight enough to take off, land, take off again, and it had a jam nut on it. That's the first time I've experienced that situation.
@@RCVideoReviews yeah I was only kidding....you was very unlucky
I think the secondary Nut is there because an electric motor can be rotated easily in both directions which would naturally try to undue the nut.
I don't actually bother with that second nut...
But very aware of the right rotation 😉
In fact thinking about it...the reason the prop probably came undone was the second Nut wasn't allowing the 1st nut from naturally tightening itself up with the rotation 😉
Could be. I've affixed a ton of props and never had that happen.
So you are not using ELRS PWM recievers anymore?
Did you already investigate what the issue was on the first one?
Thx
BR
I've been engaged in some testing to find out what I think of the difference between 10b and 11b. I can tell you one thing, ELRS 10b with a locked on radio makes me happier than a dodgy 11b connection.
So I am still firmly in the ELRS camp. I just want to form a point of view of 10b vs 11b based in hands on experience.
@@RCVideoReviews great to hear this from you! 😬👍
You and your channel / work is the reason why I switched to ELRS! 👌
...up to now, I have no problems so far. 🤞
Is antenna to close to carbon?
Not close enough to have impacted reception. 7 other planes with similar setups and no issues.
John, may be bad battery? Half fly signal was normal.
Also flying in circles :) Half the time downwind, half, upwind. I don't think that was it.
@@RCVideoReviews But try change the battery to next time though. And after bring the transmitter antenna out of carbon, for example, into the cockpit.🤝
I found the "BUG"... Please check the bottom side of the screen @ 2:21 lol...
Lol, yeah. That's Florida. I had a frog freeload an entire 3D flight once. Must have really sucked to be that little frog that day.
I don’t understand, surely a -42 RSSI is good, not bad? I’m a network architect, so I design WiFi networks, and if a client was receiving -42dBm from an access point then I would consider that excellent.
For d16 42 is considered critical.
Did the insect bug 🪲 come with the kit? 😂😂
Sure seems like it.
I'll be back
Nice!
It must be the factory template. my left wing has the same distortion. is it possible to fix that? It's unacceptable to me. you shouldn't have to skew the ailerons to that extent.
It can be fixed with heat. You basically twist it in the correct direction and apply some heat (hot air gun) wherever you see wrinkles on the top and bottom.
Go slow--small adjustments at a time, keep the heat gun moving, check your work.
@@RCVideoReviews thank you. it would be very helpful if you could video Dave demonstrating the technique. I understand it in theory, but the wing doesn't want to move. I've done it successfully to take out a fuselage twist.
@@RCVideoReviews they should send us both new left wings, but they are probably all similarly warped from the jig.
Is the 67" category of Skywing and Extreme Flight planes the LARGEST ONE BATTERY planes or do they go up in wing span and still utilize ONE BATTERY like a 12S?
The next size up is 73" and that uses 2 batteries. So I think it is the largest single pack airframe.
@@RCVideoReviews Thank you
No wonder your having issues its a freesky 😂
:)
Electric planes are so depressing. I miss the motor noise. 😢
BUT, for ELRS...-40db should be GOOD shouldn't it? I've got my "alarms" set to -90 and critical set to -95. "No signal" being -130db - right?
That wasn't ELRS. It was D16--it was mentioned in the video. ELRS telemetry alarms are somewhat dependent on RF Mode. Check this video out: ruclips.net/user/livesl68I-MoJ9Q
You also should try to use RQLY with RSSI if possible for a more complete picture.
hello the noise part is really easy to fix all you gotta do is Bring your weed wacker to the field with you and every time you're gonna go fly just crank up the weed wacker full throttle 😂😁
WTF the camera is down on the most importanten moments?
On the 1st or original maiden for this airplane it crashed. there was a problem ,I had to rest my arms right at the moment The airplane went down, so I missed the Crash, you can see that on the video shorts a couple videos before This one.
49 ?! That is just not supposed to happen that close in. The airframe has quite a lot of Carbon. Sure it is not blockage from the airframe?
7 other planes with the same internal type of structure and gear placement tell me no.
You should try not to attach the aerial to any of the carbon strips.
You are correct. That would be a terrible idea.
Perhaps when you put the canopy on it moved the upright aerial to touch some of the carbon.
We all know which over the air protocol you were using. Go on say it! But its on or near the leverage point between the wing and fuselage, there's got to be some flex attempting to separate the male and female ends. Come on.
Didn't you get a Voodo Priest to bless the plane?
Actually, nobody knows the protocol I used on the last one because I've never flown with that protocol before.
@@RCVideoReviews so not elrs then? :)
Why do you think this SR6 had this poor range or lq low values
I don't know.
Thats nothing. Try ten in a row. Cursed isn’t the word
Oh no!