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HomeAircraftHelicopterThunder TigerOther › Anyone using CSM HLG200 gyro on R50?
10-12-2005 01:52 PM  12 years agoPost 1
Stickyfingers

rrApprentice

East London, UK

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If you are, I would greatly appreciate it if you could tell me how much gain you are using and how far away the link is from the centre of servo horn.

I have a problem in that it seems to be holding a heading really well but if I input a rudder command the heli moves fine but when I stop the command the tail moves back the other way a little. It seems to do this more on one way than the other (understandable I guess).

Other than this problem the tail is almost rock solid!

I am using a pretty lame servo (next one up from 3003 I think) but I'm sure it should be working better than it is. I know the HLG 200 isn't the best gyro either but again I'm not asking a lot from it- I'm not past fff yet!


Raptor 50 v2 stretch on 680's, Trex 450XL eCCPMjklxyzzzz

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10-12-2005 03:11 PM  12 years agoPost 2
dragonlord

rrVeteran

luton uk

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yea im useing one m8 in fact i got one on my 50 hyper

mine is about 14mm from center
14-14.5 will be fine
make shaw you set the center with out the gyro in line ie 4.5mm gap at tail.
check that tail linkage is smooth and not binding

then turn the pot just over halfway
just spool it up to it gos light to make shaw there enouthg gain
before you go to far its easy not to enotgh gain with a screw pot
and it better too have too much gain that you can turn down
than not enoutgh

then get the enging tuned up back down the pot untill the tail stops waging in a hover

just go slow and a bit at a time to it feels right

later when you do some fast turns it may wag a touch then then just back gain down a tiny touch untill that stops

remember thease thing have a pot and it needs a gental touch on screw to get right it easy to go to turn it a touch and go to far and have to come back againg.
they can be a pain to get spot on its not as easy to as a tx controled guro that you can chage a 1 or 2% at a time with the radio.

make shaw you enging is tune ok
if it too rich it can affect the tail
and when it does it ushally the low end that need leaning a bit

HLG 200 aint a bad gyro m8 for the price it works prity well

if you look closely at this video here
http://homepage.ntlworld.com/dragonlord002/Title 01.avi

you can see my tail doing on my 50 hyper as that was the first real time i opend it up after running in new hyper and the low end was a touch too rich still and you can see the tail kicking a bit.


normaly I find you can here a slit change in enging pitch when the tail kicks if it enging tuning thats doing it

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10-12-2005 03:24 PM  12 years agoPost 3
Stickyfingers

rrApprentice

East London, UK

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Hi mate

Thanks a lot for that it really helps. I wil lcheck I have around 14~15mm but I am not sure where to measure the 4.5mm gap at the tail?

The linkage is not binding at all- I have a carbon rod on a boom-mounted servo so theres not much to bind!

I'm pretty sure the engine tune is fine. It certainly runs like a dream (West 50).

I did try setting the gain at 50% from the start but I will go back there and try again.

Cheers


Raptor 50 v2 stretch on 680's, Trex 450XL eCCPMjklxyzzzz

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10-12-2005 03:45 PM  12 years agoPost 4
dragonlord

rrVeteran

luton uk

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you mesure the 4.5 mill gap between the plastick tail case and the brass slider m8
when the tail servo is centered

and you must do it without the the gyro inline
ie plug the tail servo strit into the reciver without the gyro inline.

heres a pic nicked from raptor technic im shaw he wont mind the plug

heres a link to raptortechnique best site on the net for raptors it amazing site and help many many new raptor owners.
www.raptortechnique.com

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10-12-2005 04:11 PM  12 years agoPost 5
Stickyfingers

rrApprentice

East London, UK

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Ah OK got you it's between the slider and gearbox. No probs. That said, if you set it up like you should, with the arm parallel with the shaft then the slider distance is dictated anyway....?!

I understand re not using the gyro to start with. Get the heli to hold a heading as best you can before using the gyro.

Will have a good look at that site I think I've skimmed over it before but will take a closer look.

BTW I couldn't get your vid to work- didn't have the right codec and I've got the latest windows media player

Cheers


Raptor 50 v2 stretch on 680's, Trex 450XL eCCPMjklxyzzzz

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