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Jul 22, 2011, 07:09 PM
Incurable heli addict
McKrackin's Avatar
Any tips on some better props for the X650?

My little Locktite oops earlier must have cracked one of the props that stayed on.lol...

It split at the hub and ejected.
It didn't fly well on three.lol....

What are the best replacement/upgrade props?

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Jul 22, 2011, 07:34 PM
Suspended Account
Do you mean arms (not props/blades)

Looks like you've got the carbon fibre, you'd be far better off with the glass fibre, same with the legs, in fact make sure it's all fibreglass (OK not the base plates) but arms and legs definately
Jul 22, 2011, 07:36 PM
Incurable heli addict
McKrackin's Avatar
No...I mean props.

What is the best I can get and where?
Jul 22, 2011, 07:39 PM
DJI Supporter
Sid3ways's Avatar
Use the APC 12x3.8, they are ideal replacements and won't ever crack unless you hit something. Get them from apcprop.com or radicalrc.com
Jul 22, 2011, 07:41 PM
Incurable heli addict
McKrackin's Avatar
Quote:
Originally Posted by Sid3ways View Post
Use the APC 12x3.8, they are ideal replacements and won't ever crack unless you hit something.
Where?

I'm very new to this and have no idea who sells stuff.lol...
Jul 22, 2011, 07:41 PM
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Sid3ways's Avatar
Updated post with where, you replied too fast.
Jul 22, 2011, 07:46 PM
Suspended Account
So I want to forget about the GPS/compass but don't want to throw my money down the drain....
I'm going to make a tricopter out of it if possible ?, I would like to get rid of the 4in1 ESC and replace with 3 x ESC and 3 motors capable of strong lift/flight
It's not going to lift tons of weight, just a GoPro and 5/6000mah battery

The question is what motor,prop and esc combination on a tricopter will give me around 15 minutes and also cope with fair winds in flight i.e. not be just able to "lift" the weight but fly well with it ?

If it helps...

The arms will be about 10cm longer than standard X650 for smoother reactions, landing gear will be very short, almost a belly lander and it'll also be equipped with FPV gear
Jul 22, 2011, 08:04 PM
DJI Supporter
Sid3ways's Avatar
The XA electronics won't run a tricopter setup as it won't control a tail servo. You could do a Y4 however.
Jul 22, 2011, 08:08 PM
Incurable heli addict
McKrackin's Avatar
Quote:
Originally Posted by Sid3ways View Post
Updated post with where, you replied too fast.
Thanks
Jul 22, 2011, 09:42 PM
Registered User
Quote:
Originally Posted by Michael64 View Post
Hi Jingchen
or if anybody else would know setting up a Y-6 I have the motor routing but do you choose the + or x mode or does it matter I would think it would but not for sure any input would be appreciated.

Michael64
Normally, The more powerful the copter is, the smaller the PID numbers are.
For example, +style quad has only one motor for pitch back(the front motor), but x style has two motors for pitch back(front two motors). So the PID numbers of x style for pitch are smaller than +style.
If you have a Y6 that using x650 stock motors and props, it's absolutely powerful than a quad because Y6 has two more motors. So you can use the X style quad settings for first test, then turn the numbers a little down for second test. tuning PID need some experience, some one has post this thread, it's useful: https://www.rcgroups.com/forums/show...8#post17169869
It's no difficult to make a motor mixer according to the mixer rules. but need more patience in tuning PID parameters.
For myself, I will tune the D first. Zero or set P&I to a very small value like 0.01, then tune the D value. with proper D, the copter will refuse you to make pitch&roll movements on the frame(by hand). it may a little wave then stop.
Then tune the damping factor, it will stop the wave.
Then I tune the P, just feel the copter reactions. if I force the copter to pitch/roll, how fast will it return to level. when i feel the speed of levelling is OK, then go a fly test.
And trim the values according the flight result.
Jul 22, 2011, 10:47 PM
Registered User
Zirt57's Avatar
---Deleted---
Last edited by Zirt57; Feb 10, 2012 at 06:50 PM.
Jul 22, 2011, 10:54 PM
Registered User
Jingchen thanks for the info it helps alot to understand what and to setup my Y6. Again thanks so much.

Michael 64
Jul 23, 2011, 01:54 AM
Registered User
topgearuk's Avatar
Quote:
Originally Posted by patrick21x View Post
I am using a DX8 Radio with ar7100 reciever with additioal Satalite as backup. I am not sure how to check the failsafe on the dx8, do you know how?
I run a DX8, have you sent yours in for the recall? There are known issues with certain receivers.. The TX needs a new RF module!
Jul 23, 2011, 02:03 AM
Registered User

Hexa PID


Quote:
Originally Posted by Jingchen View Post
Normally, The more powerful the copter is, the smaller the PID numbers are.
For example, +style quad has only one motor for pitch back(the front motor), but x style has two motors for pitch back(front two motors). So the PID numbers of x style for pitch are smaller than +style.
If you have a Y6 that using x650 stock motors and props, it's absolutely powerful than a quad because Y6 has two more motors. So you can use the X style quad settings for first test, then turn the numbers a little down for second test. tuning PID need some experience, some one has post this thread, it's useful: https://www.rcgroups.com/forums/show...8#post17169869
It's no difficult to make a motor mixer according to the mixer rules. but need more patience in tuning PID parameters.
For myself, I will tune the D first. Zero or set P&I to a very small value like 0.01, then tune the D value. with proper D, the copter will refuse you to make pitch&roll movements on the frame(by hand). it may a little wave then stop.
Then tune the damping factor, it will stop the wave.
Then I tune the P, just feel the copter reactions. if I force the copter to pitch/roll, how fast will it return to level. when i feel the speed of levelling is OK, then go a fly test.
And trim the values according the flight result.
Hi Jingchen

Based on what you have said the PID settings with a Hexa have to be lower than with a X Quad, so, with a Hexa, I should go with motor mix as shown and your PID settings shown here. https://www.rcgroups.com/forums/show...postcount=1129
Are they still valid as a starting point?
Jul 23, 2011, 02:26 AM
Registered User
Quote:
Originally Posted by Addepat View Post
I am now testing my new xaircraft 650 a little, but when i do i smell burn. Suddenly i even lost contact.

Your advice please?

P.s. i also hear ticking coming from the motors. Is that normal?
NO one an idea?


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