Reaching 0 degrees pitch

[oysifly]

Having a hard time getting 0 degrees. When in step G I have 0 degrees, but when I leave this step I am off 4.5 degrees. I don't get it? If I use my pitch subtrim in the transmitter I can get it to 0 out but I have to change the subtrim to 65. Will this effect the flying?

[DominicD]

Page 64 of the manual really goes out of its way to tell you not to use any trim on the Tx. Once you have finished leveling in step G, do your 0 pitch there (NOT while in the reference position). The "leveliness" of the swash in any of the other settings doesn't mean anything.

[oysifly]

So adjust each servo separately in menu G to obtain 0 degrees? ( not while in reference mode?)

[DominicD]

No. Use step G to level the swash, while still in that mode but not in reference position adjust the mechanical linkages to get 0 degrees.

[sutty]

This is a post I made that became a little long winded, for which I apologised at the start, but it may be that by reading it your understanding of the process may be aided a little. I hope so. For what it is worth, here it is, and if you have any other questions then please come back and ask.

Post

Cheers

Sutty

[oysifly]

Great post! I will try this tonight. Thanks

[oysifly]

Worked great, my problem was that my main shaft was not 90 degrees so my pitch would be 0 until I went to set cyclic then it would read -4. Once I leveled the heli I got 0 degrees in both positions. I also removed my pitch subtrim and all looks good! Thank you for your input, I could not have done it without the time y'all put in to help! It's much appreciated!!!

[dodgeboy]

Originally Posted by DominicD

No. Use step G to level the swash, while still in that mode but not in reference position adjust the mechanical linkages to get 0 degrees.

i was under the impression from a video and the manual that in step G while on one of the servos is where you level the swash and set 0 pitch.

[dodgeboy]

never mind, i see you said reference position, which would mean light off, and also not being on one of the servos.

[sutty]

Just for clarity, or to be doubly sure, he said, "not in reference position", which means you would be on one of the servos, with a light on, which means it would be in its electronically corrected centres, which is the correct position in which to perform the mechanical adjustments for both the swash and for the blades.

Sorry dodgeboy if you had this clear in your mind already, but your last reply read a little odd.

Cheers

Sutty

[dodgeboy]

sorry but thats what i ment being "on" a servo or "having a light on", just didnt word it correctly i guess, but yes we are on the same page.

[DominicD]

The name reference position through me for bit of a loop when i was tweaking my beastx last week. It really should be called 1520us position, reference position should be your tweaked centers.

[sutty]

Funny that Dominic, every time I read it, and particularly the first time I read it, I think 'that could have been worded better', I don't like the word reference either. However, every time I read it and think about it, I become more convinced that it is an acceptable choice of word, as it allows you to make 'reference' to their original, neutral and unadjusted centres. 5 minutes after pondering this I am then back to thinking, this could be worded better, lol.

Your suggestion to refer to the 1520us position is a good one, but then it would get confusing if you used the word reference in relation to their adjusted positions. Might 1520us not also be confusing for people who know nothing of such technicalities, and have no wish to know, or is that not true of anyone who is involved in this hobby I wonder?

I think of terms like, unadjusted, neutral, default, starting position, etc, etc. Then trimmed, corrected, electronically centred, compensated, and so on and so on. I always conclude that the writing of such manuals, without becoming too wordy, is no easy task, and give up, especially since it has nothing to do with me, lol.

Cheers

Sutty

[DominicD]

Originally Posted by sutty

Might 1520us not also be confusing for people who know nothing of such technicalities, and have no wish to know, or is that not true of anyone who is involved in this hobby I wonder?

But atleast they could just look it up, in the current form you won't think about it and can assume it means something it doesnt.