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 Post subject: new heli, new problems
PostPosted: Tue 23. Jan 2024 22:56:10 
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Joined: Mon 03. Apr 2023 14:46:19
Posts: 65
hi guys!

so i built a new heli again 700trex pro with md500e fuselage and 5blade roban head
i spent a week now findin out why my swash isnt working properly. what ever i did, im flyig sideways.. and adding 50degree phasing is correct diret\ction, but rear blade is moving over the tail

that was sorted out now.. hanged from 120ccpm to 140ccpm, and 50degree phasing!
B U T!

trying to take off in stabi scale or coaxial mode is just imossible. heli wants to turn to the side or nose up extremely.. i just cracked my tail rotor..

why does this happend? my heli i 00.1 degree rear tilt and almost 00.1degree side tilt. CG is spot on

but i just dont have the balls som try to take off since the heli is very uncontrolable.. i have identical settings to my 2 blade 230
stabi scale, control rate at 2 or 3 an i can take off anytime anywhere, eve in my garage.

with the md500 its total chaos.

i also feel its very little movement in the swash when i try to tilt it.. all tho im very confused regarding the swash movement. im used to 0 phasing and 2 blades, it goes just fwd/back and to the sides.
this one in angle...

anyone having same issue with latest update maby? or is my setup still wrong somehow?


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md500e.4ds [255 Bytes]
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PostPosted: Wed 24. Jan 2024 8:42:53 
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Joined: Tue 10. Mar 2020 14:36:22
Posts: 370
from the file you uploaded your cyclic ring is limited to 4°... this would explain the swash is not moving a lot - and of course you can not really fly like this. on the other hand the cyclic gain is very high at 90 and rotation rates at 5? is this really your current settings file (phasing is at 0% too - you mentioned 50)?

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cheers
Michael


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