RE: Falcon 40 (Exceed heli) Forum

RE: Falcon 40 (Exceed heli) Forum
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RE: Falcon 40 (Exceed heli) Forum - 5/5/2008 6:59:26 PM

UTM

Posts: 195
Joined: 3/11/2008
From: Indianapolis, IN, USA
Status: offline

Dave,

I did indeed give that a shot and the gyro is responding with the proper increases/decreases in rpm. Was really the first thing I checked trying to rule out gyro problems. Problem is when I put it back together I still have this problem. I can also see the gyro responding during flight and holds the tail during level flight. I really only have an issue when I increase throttle. Maybe the motor was damaged. I checked everything else in the tail and the rod is straight. I just put on a new rotor. The gear is straight with no missing teeth. I did find upon closer inspection one of the bearings spins like it has a busted ball. I hear what sounds like a grain of sand in there. I will be replacing the bearing tonight but it still runs fairly smooth with no real catch. Dosen't seem like that could cause such a problem.

_____________________________

I''m addicted...2 packs a day!

(in reply to dknovick)

Post #: 5676

RE: Falcon 40 (Exceed heli) Forum - 5/5/2008 8:24:04 PM

dknovick

Posts: 590
Joined: 1/19/2005
From: Albuquerque, NM, USA
Status: offline

quote:

ORIGINAL: Short Flight

I'm worried now... if I have to pay full price for plastic parts I might have to stop crashing! (or shell out for metal)

I'd shoot for the former!

_____________________________

What goes up, most come down. How hard depends on you!

(in reply to Short Flight)

Post #: 5677

RE: Falcon 40 (Exceed heli) Forum - 5/5/2008 8:37:00 PM

dknovick

Posts: 590
Joined: 1/19/2005
From: Albuquerque, NM, USA
Status: offline

quote:

ORIGINAL: UTM

Dave,

I did indeed give that a shot and the gyro is responding with the proper increases/decreases in rpm. Was really the first thing I checked trying to rule out gyro problems.

Well, that's good!

quote:

ORIGINAL: UTM

Problem is when I put it back together I still have this problem. I can also see the gyro responding during flight and holds the tail during level flight. I really only have an issue when I increase throttle. ...I will be replacing the bearing tonight but it still runs fairly smooth with no real catch. Dosen't seem like that could cause such a problem.

So the tail will hold in place, but if you increase/decrease the throttle you get tail wag? Are these slight increases in throttle?

_____________________________

What goes up, most come down. How hard depends on you!

(in reply to UTM)

Post #: 5678

RE: Falcon 40 (Exceed heli) Forum - 5/5/2008 8:42:45 PM

UTM

Posts: 195
Joined: 3/11/2008
From: Indianapolis, IN, USA
Status: offline

Any increase in throttle causes the problem. Slight throttle increases to hold altitude kick the tail over but not quite as quickly. If I give right rudder I can stop it but not bring it back until I level off. Major throttle increase like the ones that lift the heli off the ground kick the tail over all the way and no amount of rudder input will stop it from going. For example if I am loosing altitude and try to lift back to say eye level the tail just keep going right due to rotational torque and there is not a thing I can do to counteract it. If I am at level flight the tail will hold and I do have some tail authority to say kick the tail left but if I am bumping the throttle slightly to hold altitude full rh rudder will hold it but not turn it back until I level off. Decreases in throttle have no effect on the tail and it will stay put.

< Message edited by UTM -- 5/5/2008 8:43:43 PM >

_____________________________

I''m addicted...2 packs a day!

(in reply to dknovick)

Post #: 5679

RE: Falcon 40 (Exceed heli) Forum - 5/6/2008 12:31:44 AM

disney1

Posts: 132
Joined: 11/21/2007
From: Orlando, FL, USA
Status: offline

Evening UTM:
It is very possable that the bad bearing in the tail gear could cause the tail hold problem. as the bearing gets hot it will expand and cause a lot morew friction. These tail motors are not very powerful so a little extra drag could cause the problem.

Evening Fliers:
Well the IRS came through with the Bail Out check, so I now have 2 Helis. Michael at US Hobby Supply is now in posetion of most of the $$. Belt CP ARF with all but TX/RX and Li-Po, also bought a Spektrum DX6i and 1800 Li-Po. Can't wait for friday. should be here by then.
Still going to fly the Falcon, it will become my orientation trainer. That way I will save on parts. Better to break the F-40 not the Belt. Also going to change the Falcon to a 3 in 1 and Spektrum RX.

Well off to wait by the chimney for Santa.

Have A Great Day
Ron

_____________________________

Keep on Hovering.

(in reply to UTM)

Post #: 5680

RE: Falcon 40 (Exceed heli) Forum - 5/6/2008 3:18:45 AM

Short Flight

Posts: 107
Joined: 1/11/2008
From: Reinholds, PA, USA
Status: offline

quote:

ORIGINAL: disney1 Evening Fliers: Well the IRS came through with the Bail Out check, so I now have 2 Helis. Michael at US Hobby Supply is now in posetion of most of the $$. Belt CP ARF with all but TX/RX and Li-Po, also bought a Spektrum DX6i and 1800 Li-Po. Can't wait for friday. should be here by then. Still going to fly the Falcon, it will become my orientation trainer. That way I will save on parts. Better to break the F-40 not the Belt. Also going to change the Falcon to a 3 in 1 and Spektrum RX. Well off to wait by the chimney for Santa. Have A Great Day Ron

Hey Ron -

Glad to hear you're doing your part to save the economy. You are going to love the DX6i with the Falcon. Only problem is you might spend more time playing around with programming than flying!

Tonight I discovered that I can set up a big hovering sweet spot with the throttle curve. Much easier to maintain altitude. Just too many cool adjustments to play with.

Good luck with the Belt. Also love your new logo... keep in mind when firing that bad boy up!

- Chris

(in reply to disney1)

Post #: 5681

RE: Falcon 40 (Exceed heli) Forum - 5/6/2008 3:26:43 AM

Short Flight

Posts: 107
Joined: 1/11/2008
From: Reinholds, PA, USA
Status: offline

quote:

ORIGINAL: UTM Any increase in throttle causes the problem. Slight throttle increases to hold altitude kick the tail over but not quite as quickly. If I give right rudder I can stop it but not bring it back until I level off. Major throttle increase like the ones that lift the heli off the ground kick the tail over all the way and no amount of rudder input will stop it from going. For example if I am loosing altitude and try to lift back to say eye level the tail just keep going right due to rotational torque and there is not a thing I can do to counteract it....

UTM -

Could be your tail motor is going bad and can't keep up with the main motor torque? Do you have a spare you can swap out to test?

(in reply to UTM)

Post #: 5682

RE: Falcon 40 (Exceed heli) Forum - 5/6/2008 3:45:30 AM

UTM

Posts: 195
Joined: 3/11/2008
From: Indianapolis, IN, USA
Status: offline

Evening all.

It looks like that bad bearing may indeed have been the culpret. I stopped by the LHS on the way home from work and picked up a couple of replacment bearings and installed them when I got home. Took a short hop and the tail is kinda holding. At least the tail is not kicking wildly on throttle increases anymore. I did loose the tail at the end of the pack and was unable to recover it. I figure that all the messing with the pot last night has got it outta sorts. I had the rudder tab kicked all the way right from the begining of the pack near the end there was just not enough. I will fiddle with the adjustment a bit more this evening and see if I can get it dialed in. If not I did also pick up a new tail motor. I will then try replacing that to get it going. It should not be bad. It only has 16 packs on it but you never know. Progress anyway. At least I was able to fly most of a pack.

Happy hovering all!

_____________________________

I''m addicted...2 packs a day!

(in reply to Short Flight)

Post #: 5683

RE: Falcon 40 (Exceed heli) Forum - 5/6/2008 3:50:03 AM

helojerry

Posts: 22
Joined: 4/17/2008
From: Phoenix, AZ, USA
Status: offline

quote:

ORIGINAL: dknovick

quote:

ORIGINAL: Short Flight

I'm worried now... if I have to pay full price for plastic parts I might have to stop crashing! (or shell out for metal)

I'd shoot for the former!

Sure, but meanwhile, where can one get metal parts for Falcon ? I'm talking about the head, mainly the core which is what am breaking.
Also, what type of epoxy works well for the guys that are beefing up the plastic core?

Thanks,
Jerry

(in reply to dknovick)

Post #: 5684

RE: Falcon 40 (Exceed heli) Forum - 5/6/2008 5:19:58 AM

UTM

Posts: 195
Joined: 3/11/2008
From: Indianapolis, IN, USA
Status: offline

What happens when you hit yourself in the hand with a falcon? Enjoy

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< Message edited by UTM -- 5/6/2008 5:22:56 AM >

_____________________________

I''m addicted...2 packs a day!

(in reply to helojerry)

Post #: 5685

RE: Falcon 40 (Exceed heli) Forum - 5/6/2008 6:35:09 AM

helojerry

Posts: 22
Joined: 4/17/2008
From: Phoenix, AZ, USA
Status: offline

quote:

ORIG