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HomeRC & PowerAircraftHelicopterFlybarless Rotor Head SystemsOther › Post your Align FBL mishaps here :)
01-19-2010 03:15 AM  8 years agoPost 1
blt4ice

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Newark, DE

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Now we all know that when you have a mass influx of something new, you also get....new ways to crash your heli. So with that said, lets hear about all of the goof ups and so forth when the mass influx of Align FBL comes into play

Brian
Heli tools used: Torch, Pipe Wrench, 4 ft. crowbar

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01-19-2010 03:43 AM  8 years agoPost 2
Futura SE

rrKey Veteran

Fayetteville, Arkansas

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I do not have my Align FBL unit unto for my 700, but I am a experienced Mikado V-Bar user and I can tell you this:

CHECK SENSOR DIRECTION FOR BOTH CYCLICS BEFORE FLYING

If you do not do this you flight will last less than 1 second. Think of it just like checking a tail rotor direction before takeoff the first time. Some of the nastiest crashes ever have been by FBL systems with reversed sensors or a sensor.

I hope to help someone avoid this problem. I promise you this thread won't be going long before someone forgets this and tell us how the FBL unit destroyed their machine.

Norman Ross Jr.

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01-19-2010 06:30 AM  8 years agoPost 3
dahld

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Bakersfield, CA, USA

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Yep. When guys do this with a tail gyro, the tail on first run-up just violently spins around, and the heli usually survives. But do this with a cyclic sensor, and the heli on first run-up just rolls over and plays dead!

Dave

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01-19-2010 03:09 PM  8 years agoPost 4
DWS6

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Newark,DE

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Great thread Brian!

This will be interesting for sure!

Dave Williams
Team Align

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01-19-2010 03:19 PM  8 years agoPost 5
T-Rex-Flyer

rrElite Veteran

Panama City, Fl

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But do this with a cyclic sensor, and the heli on first run-up just rolls over and plays dead!
But it doesn't play dead like a Possum, more like a Chicken that just lost it's head.

If the wings are traveling faster than the fuselage, it's probably a helicopter.

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01-19-2010 08:57 PM  8 years agoPost 6
BeenHereB4

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California

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Do you have to check every single flight or are you talking about the initial setup?

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01-19-2010 09:14 PM  8 years agoPost 7
blt4ice

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Newark, DE

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I have used SK360 units on a Vibe 50, trex 700 and a Gas Turbine. And YES I checked the movement before every flight. its quite simple really. You just tilt the heli and the swash should move in the opposite direction of the way you tilt. Really simple quick check can save a few to a lot of dollars.

With that check you then know that 1. it is initialized(important) and 2. it is going in the right direction.

Brian
Heli tools used: Torch, Pipe Wrench, 4 ft. crowbar

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01-19-2010 09:37 PM  8 years agoPost 8
BeenHereB4

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California

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Makes sense.

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01-19-2010 09:46 PM  8 years agoPost 9
inkspot1967

rrProfessor

Cranston Ri

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Do you have to check every single flight or are you talking about the initial setup?
no just for 1st setup but it wont hurt to check every so often , if you make alot changes in programing and radio

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01-19-2010 09:51 PM  8 years agoPost 10
Big Fil

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Santa Rosa, CA

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I tend to check mine for the first couple of flights after an initial setup OR change to anything in the settings. Once it's proven to be a working setup the chances of it changing gyro directions on it's own are the same as your tail gyro switching directions. Do you check your tail gyro direction every time you fly?

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01-19-2010 09:57 PM  8 years agoPost 11
blt4ice

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Newark, DE

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nope but I am looking to make sure that it initialized properly. Just takes a quick tilt to the side and fore and done.

Brian
Heli tools used: Torch, Pipe Wrench, 4 ft. crowbar

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01-19-2010 10:05 PM  8 years agoPost 12
Big Fil

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Santa Rosa, CA

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Don't get me wrong, i'm not saying it hurts in any way to check it. But after a certain amount of time you are confident in how it works and that you haven't done anything that would cause a change.

Now initialization is different. From what i've seen from the Align system it has a collective bump(s) that tell you it initialized properly. That I do look for anytime I plug in on my Vbars.

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01-19-2010 10:53 PM  8 years agoPost 13
heli-cuzz

rrElite Veteran

Pittston, Pa. USA

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CHECK SENSOR DIRECTION FOR BOTH CYCLICS BEFORE FLYING

If you do not do this you flight will last less than 1 second. Think of it just like checking a tail rotor direction before takeoff the first time. Some of the nastiest crashes ever have been by FBL systems with reversed sensors or a sensor.
Just flybarless it without the cyclic sensor, then you don't have to worry about the fatal unintentional tipover.

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01-19-2010 11:31 PM  8 years agoPost 14
Jeff polisena

rrElite Veteran

westpalmbeachflorida usa

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always check swash directions as you walk to set heli for take off , you might think it booted correctly it will let you know quickly

I stole it ,flew it and gave it back ;)

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01-20-2010 01:25 AM  8 years agoPost 15
iHover

rrVeteran

Berne , NY

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+1 on collective bumps. Something I wish the SK360 had. the init light can be a pia in a fuse or on bright days.

that said I know I'll tip mine before flight just in case.

You had me at Hover

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01-26-2010 05:57 AM  8 years agoPost 16
HiroboFreak

rrVeteran

Central Coast, NSW, Australia

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https://rc.runryder.com/t566694p1/

T-rex700n VBar 5.3 Pro | T-rex700e DFC VBar 5.3 Pro | JR DSX9
Team RCBits | Team Lynx

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01-26-2010 07:01 AM  8 years agoPost 17
OnTheSnap

rrApprentice

Santa Clara, Ca

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I tipped mine over on the first auto attempt. My brain thought it still had a flybar and I made to big of a correction. Oops.

Auto is at ~4 minutes.

Watch at YouTube

MSH USA -- Cyclone -- Jeti -- Xnova

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01-26-2010 01:32 PM  8 years agoPost 18
MrMel

rrProfessor

Gotland

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In your life of FBL there is before and after you reversed the sensor, its just a matter of time

My moment was with my Nitro stratus, it was a short flight, the hole in the ground was impressive

Gone fishing..or hunting..or something
My site: http://heli.dacsa.net - VBar videos and more

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01-26-2010 04:39 PM  8 years agoPost 19
blade3d

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New Jersey USA

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Duh

Blade3d

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01-27-2010 12:24 AM  8 years agoPost 20
ChrisJ

rrNovice

MI

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Kinda like a hot start, once it happens you know what to check before flying.

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