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HelicopterMain Discussion › FBL - underwhelming performance so far...
12-16-2011 08:26 PM  5 years agoPost 1
unclejane

rrElite Veteran

santa fe, NM, USA

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.... most likely the pilot, tho.....

Converted my 700E to FBL last night with the stock Align FBL head and BeastX for the controller. Set up according to the directions and all seemed to be fine.

I must say I actually intensely dislike it so far - The worst part was how it kept trying to throw the heli onto its left side. I remember being warned about keeping the swash level on takeoff, else this would happen. But for some reason it just loves that left side even after making sure the rotor disk is level, etc.

Checked the compensation direction and sure enough it's correct, so it wasn't that.

Fortunately, this is my electric, the one I fly the least and so don't care as much if it gets trashed (I'd be bawling my eyes out if this had been my nitro). So I tried again after checking that the blades were only scuffed a bit from the first blade strike.

This time I did manage to get off the ground. Once I got it in the air, it definitely felt very "simulator" like. Blech! AFter a couple minutes of hovering I was kind of starting to get the hang of it. Set it down, tried to take off and once again it tried to flop over onto the left side. This time it finally trashed the blades for good.

By now I was out of rotor blades so had to pack it up and go back home lol!

I'm going to try again this afternoon but this time with my spare align 690's (never should have done this with my nice Curtis FAI's on it). Going to tone down the response to "normal" instead of "sport"; that might help too.

If I don't figure it out by then, I'm putting the flybar head back on and converting the BeastX to rudder-only use.

By the way, the tail was utterly fantastic, once I finally did get off the ground. Stayed completely locked in... So if I give up on the FBL and refit my FB head, it's definitely going to be my new tail gyro....

Off to fit new rotor blades and try again....

LS

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12-16-2011 08:37 PM  5 years agoPost 2
Heliguychris

rrKey Veteran

Perth, West Australia

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mate, honestly the cyclics should feel like the tail did for ya, locked in. Could i suggest a different tape perhaps? I have found from my own experience the beastx to be one of the nicest ground handling units, so if ittrying to tip over, there is a big problem, being not your fav heli it has some hanger rash or something maybe ?

anyhowz, id try a really stiff tape, and makemsure the heli is vibe free. setting the 6 degrees acurately plays a big part in how it feels too....
hth

Licensed (CASA) UAV operator certificate holder 1-YFOF5-01 www.helicamaerial.com.au

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12-16-2011 09:25 PM  5 years agoPost 3
Jeff polisena

rrElite Veteran

westpalmbeachflorida usa

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It will take some trial and error on setup but Heli should lift off same or better than with a flybar . If your new at FBL keep playing and don't give up and you will like it .

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

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12-16-2011 09:31 PM  5 years agoPost 4
Eco8gator

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Palm Beach, FL

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Hello

Agreed...some tweaking and you should be good.

I have a Vario Acrobat with 800mm blades and I have a Protos 450 flybarless and the Protos is more locked in than the flybard Vario and tracks better too

I was actually very surprised.

Carlo

Xera Motors
ProBar
Minicopter
Thunder Power

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12-16-2011 09:45 PM  5 years agoPost 5
p00rboi

rrNovice

Rockville, VA-USA

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Pitching off to one side or the other is a sign of excessive vibration. Make sure your heli is vibe free and try different tapes (I suggest a double layer of the 3m extreme outdoor tape). Good luck.

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12-16-2011 09:49 PM  5 years agoPost 6
rudyy

rrElite Veteran

E. Amherst, NY

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BeastX

This is truly the very first time I hear someone complaining how bad the BeastX is. All my friends who own it like it very much.

I bet there is something wrong with your heli or setup.

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12-16-2011 09:52 PM  5 years agoPost 7
helibeli

rrApprentice

wales.uk

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I fitted a flymentor to a flybarred 450 electric and it's made a huge difference to cyclic stability,Well worth the conversion.A future project for me will be a flybarless 800 electric with a beast x.

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12-16-2011 09:53 PM  5 years agoPost 8
Santiago P

rrProfessor

South West, Ohio

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Pitching off to one side or the other is a sign of excessive vibration. Make sure your heli is vibe free and try different tapes (I suggest a double layer of the 3m extreme outdoor tape)
Agree!

I PM LS a few pointers on how to find if is vibration related, and the infamous Ron Lund/ Nathan video on "troubleshooting the BeastX"

Santiago

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12-16-2011 10:08 PM  5 years agoPost 9
rudyy

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E. Amherst, NY

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I recommend you check all your main mast and grip bearings and make sure they are all notchinessless. Better yet, replace all of them.

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12-16-2011 10:52 PM  5 years agoPost 10
unclejane

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santa fe, NM, USA

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Sorry I was more complaining about the pilot the BeastX itself rocks. The takeoff is what I'm having to get used to. I'm pretty certain the tipovers were pilot error, which is why I went home to get more rotor blades and tried again.

More successful this time - you just can't use the same corrections on the ground with FBL turns out. I changed the flight response to " normal" instead of "sport" which helped me out considerably too once I got off the ground.

Things I do like so far: rotor disk really holds attitude in wind ( 15 kts or so today) and easy to piro.

Just have to master takeoffs now.

PS: I'm using the 3m tape which seems to be working perfectly.

LS

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12-16-2011 10:53 PM  5 years agoPost 11
rcnut

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Rockford, Illinois

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You need to throw away the tape that comes with the Beast X. Buy 3M's double sided gel tape. Its gray in color, or the clear will work. The Beast X needs to be solid on your heli, otherwise it wants to roll over.

3M grey 4011

Team Miniature Aircraft
"I love the smell of Nitro in the morning!"
...Citizen 654!

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12-16-2011 10:58 PM  5 years agoPost 12
Shawn Behrens

rrApprentice

DEEP IN THE BOG

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The stock uBeast tape is junk and will cause just as u have described.

shawn

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12-16-2011 11:06 PM  5 years agoPost 13
Jeff polisena

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westpalmbeachflorida usa

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I use the Futaba gyro tape for the gy401 on all fbl units with good luck

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

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12-16-2011 11:32 PM  5 years agoPost 14
VANHELI

rrVeteran

Omaha,Nebraska

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Interesting about the tape being junk...i have a beastx on an x2 and have it just stuck to the side of the frame. I have had a close call with a spool up tip over as well. I have 2 vbars on bigger helis and have never had even close to a tip over on the ground. I am in no way bashing the beastx. I have been tweaking it a little and really enjoying it so far! I will try remounting the unit and see if it is still "weird" on the ground.

Dave V.

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12-16-2011 11:48 PM  5 years agoPost 15
Jeff polisena

rrElite Veteran

westpalmbeachflorida usa

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I've found that most fbl helis that want to tip on ground when spooling up or down is a mechanical setup issue . The units don't know the attitude of Heli just that correcting to stabilize and if one varible is off then you will get tipping .

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

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12-17-2011 12:53 AM  5 years agoPost 16
unclejane

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santa fe, NM, USA

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I've found that most fbl helis that want to tip on ground when spooling up or down is a mechanical setup issue .
I am sort of wondering tho... I did notice today that the takeoff suddenly got much easier when I went back to the align 690 3D blades. I tried to do the maiden with my Curtis 710 FAI blades. I don't remember if there was any wobbling on spoolup,

I did assemble the head with the red align F3C dampeners because I'm wanting to use FAI blades.

But could have been a wobble while it was spooling up. Maybe that helped me tip it over?

I'm going to take the risk and try again tomorrow with my other set of Curtis FAI's. Now that I've learned how to takeoff a FBL, perhaps I can troubleshoot some contribution of those blades.

Hope I don't trash another set, those things are expensive

LS

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12-17-2011 12:53 AM  5 years agoPost 17
nwmtech

rrApprentice

Bellingham, WA

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+++11111!!!! Get the stock tape off of there you guys. Run a single layer of the Gray 3M double sided tape. Stock tape is known for creating all sorts of drifts and funny tendencies. ANY sort of tendencies to tip over on take off is not normal. I can take any of my BeastX helis, spool them up, and take off without touching the cyclic stick at all.

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12-17-2011 01:10 AM  5 years agoPost 18
unclejane

rrElite Veteran

santa fe, NM, USA

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regarding the tape. I'm of the opinion that all gyros should be hard mounted, not just the BeastX. Even my GY701 was wandering around and kicking the tail on my nitro when I first installed it with the supplied foam pad. I got one of those hard double-stick square things from the hardware store and that fixed that.

And yes I'm using the 3M tape, supplied with my BeastX by heliproz south where I ordered it. Those videos of Ron Lund and Nathan talking about his BX and the experience with the tape, etc. are total classics. I watch them over and over still...

LS

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12-17-2011 03:50 AM  5 years agoPost 19
McKrackin

rrProfessor

Lucasville,Ohio

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The BX is the BEST vibration resistant set of gyros I have ever tried...

I hope you get the heli dialed in bro....You have a great FBL system.

The under-whelmed should soon be an over-whelmed feeling

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12-17-2011 05:16 AM  5 years agoPost 20
unclejane

rrElite Veteran

santa fe, NM, USA

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The BX is the BEST vibration resistant set of gyros I have ever tried...

I hope you get the heli dialed in bro....You have a great FBL system.

The under-whelmed should soon be an over-whelmed feeling
I actually got to fly it 2 more packs in the late afternoon and don't seem to be having any trouble with anything at this point. It looks like it's dialed in most of the way already. It was just dialing in the _pilot_ that cost me my set of Curtis's...

I got a PM that suggested too much negative during spoolup can make a tipover happen - one of the things I did was flatten out my pitch curve in normal mode below 50% like I usually do. I had thought I'd just set that up later and let's just see if it'll fly.... But that seems to have helped because now I'm at very little negative to 0 pitch now when running it up....

Oh well. Going to try some more flying tomorrow....

LS

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HelicopterMain Discussion › FBL - underwhelming performance so far...
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