What the heck is wrong with my BH 500 se pro?  
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All Forums >> RC Helicopters >> Electric RC Helis >> What the heck is wrong with my BH 500 se pro?
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What the heck is wrong with my BH 500 se pro? - 4/27/2008 11:59:15 PM   
ginnz


 

Posts: 315
Joined: 7/10/2005
From: gretna, MB, CANADA
Status: offline 		well, last week i broke a mainshaft on the 500, i replaced it, and did a test hover or 3, and it was ok. this afternoon, after a week of 100 mile an hour 24 hr a day winds, i got some relief, it was only gusting to 25 kph... -) (southern manitoba spring always has 40 days of wind!)

anyways, i took out the 500, and after 2 minutes noticed a problem. it seems the elevator sevo had a broken tooth. so, i replaced the servo with an E-Flite S-75 Sub-Micro servo i had kicking around. put it all in and had to make some adjustments, but it all seemed good. i got a good hover, then noticed the tracking off a bit. so i adjusted the tracking and shelved it.

2 hrs later or so the wind was really down, so i tried it again, wanting to check the tracking. when i spool it up now it starts to lean forward, as i lift off, it slowly turns aroundleft and starts to lean, totally not in control...! ?

i restarted it, thinking the gyro wasnt initialized, and it did the same dang thing!lifts, leans over, and turns right around. the gyro light is on, if i grab the heli and twist side to side, the gyro is moving the tail.im using the Art-Tech v2 H-H gyro. i even re-binded the RX (using an ar6200 with DX6I). its almost like my mixing is all screwed up. but on the bench it seems ok.

im at a loss here. any help is appreciated!

       Post #: 1

RE: What the heck is wrong with my BH 500 se pro? - 4/28/2008 12:22:27 AM   
ginnz


 

Posts: 315
Joined: 7/10/2005
From: gretna, MB, CANADA
Status: offline 		well, i dunno what to say here.

i put the battery in again, and she hovers! i think it was gyro related. somehow...... weird.

(in reply to ginnz)
       Post #: 2

RE: What the heck is wrong with my BH 500 se pro? - 4/28/2008 2:56:17 AM   
flyinsolo11


 

Posts: 638
Joined: 11/28/2007
From: Anchorage, AK, USA
Status: offline 		My rotor leans forward when the battery is low. Maybe that was it?

_____________________________

Flying is the art of throwing yourself at the ground... and missing.

(in reply to ginnz)
       Post #: 3

RE: What the heck is wrong with my BH 500 se pro? - 4/28/2008 4:42:36 PM   
Magic Hook


 

Posts: 159
Joined: 1/11/2008
From: Naples, FL, USA
Status: offline 		Coud the new servo be the problem? Can they be different types? Maybe it moves at a different speed. Did you check the other servos for damage? Check tail servo linkage to be free and tail servo for gear damage. Belt is good and on with right tension?

_____________________________

T 450 V2, T 500, T 600

(in reply to flyinsolo11)
       Post #: 4

RE: What the heck is wrong with my BH 500 se pro? - 4/28/2008 5:57:39 PM   
srouthouse


 

Posts: 722
Joined: 11/5/2007
From: auburn, CA, USA
Status: offline 		give that gyro a good 10 seconds after plugging it in to initalize.

(in reply to Magic Hook)
       Post #: 5

RE: What the heck is wrong with my BH 500 se pro? - 4/30/2008 12:55:40 PM   
ginnz


 

Posts: 315
Joined: 7/10/2005
From: gretna, MB, CANADA
Status: offline 		thanks for all the reply's guy's!

i cant figure it out.... i thought at first the rear control rod was binding.... but didnt do anything to free it. also the servo is different, but the swash is moving good in relation to the other servo's. i have to narrow it down to a gyro problem. i guess..... as usual its been SUPER WINDY here, so when it dies down, ill giver another go.

(in reply to srouthouse)
       Post #: 6

RE: What the heck is wrong with my BH 500 se pro? - 4/30/2008 1:09:09 PM   
Kaelan


 

Posts: 353
Joined: 12/6/2005
From: Kingston, GA, USA
Status: offline 		if you change brand of one of the servos on the cyclic, then you need to replace them all with the same brand/model.


_____________________________

Gaui Hurricane 550 CF
HeliPro BlackHawk 450SE

(in reply to ginnz)
       Post #: 7

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