90 degree vs 120 CCPM swash?

Sewer Rat · 07-18-2011, 02:24 PM

Hi there, first timer heli NOOB here with a swashplate question. I purchased a used Blade 400 with the 6DXi transmitter as a first helicopter awhile back, mostly learned how to fix it, but finally got to where I can hover tail in mostly ok. Then I came across a posting somewhere that indicated the 400 should have 120 degree CCPM, not the 90 degree it was set up for when I bought it. I reprogrammed it for the 120, leveled the swashplate and went out to play. Sure enough, it seems easier to get a stable hover set up that way. Now I have to wonder.....why did the original owner set it up as a 90 degree? Is there an advantage to that set up that I'm missing?

anmatheextreme · 07-18-2011, 05:10 PM

How can the blade 400 run with a 90 deeggre programmed, while its designed to run on ccpm (swash geometry)? Where u able to even fly it?

scott s · 07-18-2011, 05:15 PM

Nope, it was incorrectly set up. The 90 degree would have given you some wierd elevator axis control

whoanelly · 07-18-2011, 09:23 PM

so was it flying ? cause i agree that it cant fly on 90 degree it would be out of whack .ya it does need to be 120 set up and for you to know it means 120 degrees between points of balls on the swash.

Sewer Rat · 07-19-2011, 12:07 AM

I didn't know any better, so that's how I learned how to fly. I ain't saying it was pretty though. I did get really good at fixing it.

It was a big deal when I got 2 or 3 minute hovers and made it through a couple of batteries without a crash. It also made a huge difference when I learned to bump the gyro up to 75% from the 50% he had it set at. If I'm reading the manual correctly the gyro is effectively disabled at 50%. Now that I've got the swash and gyro sorted out a bit, I feel like I might actually learn to fly before I go broke buying parts.

pril250 · 07-19-2011, 09:18 AM

It may be that the previous owner had something like a Flymentor fitted.

Ivor Hill · 07-19-2011, 02:44 PM

Well you made us all smile, if you managed to fly that then with a good heli your going to learn to be a fantastic pilot. Good luck for the future, keep at it, theres a lot to learn but worth it in the end.

Sewer Rat · 07-20-2011, 12:15 AM

Thanks! Don't know about the fantastic pilot, but I might get to be a great mechanic. I did notice during last night's session that the helicopter wasn't climbing unexpectedly or shooting off in an unintended

direction like it used to. Apparently what I assumed was crappy thumbs on my part was just an improperly set up head. Next stop, figure 8's! Yee Haw!

The best part is now I know where to come when I'm needing some advice.

07-18-2011, 02:24 PM	#1
Sewer Rat Registered Users Join Date: Jul 2011 Location: Spokane Washington	90 degree vs 120 CCPM swash? Hi there, first timer heli NOOB here with a swashplate question. I purchased a used Blade 400 with the 6DXi transmitter as a first helicopter awhile back, mostly learned how to fix it, but finally got to where I can hover tail in mostly ok. Then I came across a posting somewhere that indicated the 400 should have 120 degree CCPM, not the 90 degree it was set up for when I bought it. I reprogrammed it for the 120, leveled the swashplate and went out to play. Sure enough, it seems easier to get a stable hover set up that way. Now I have to wonder.....why did the original owner set it up as a 90 degree? Is there an advantage to that set up that I'm missing?

07-18-2011, 05:10 PM	#2
anmatheextreme Registered Users My HF Map location Join Date: Mar 2011 Location: Athens, Greece	How can the blade 400 run with a 90 deeggre programmed, while its designed to run on ccpm (swash geometry)? Where u able to even fly it? __________________ -Andrew Align Trex 600EFL Pro - BeastX To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts. Blade 450X - Scorpion 2221-6 motor Blade 130x / mCPx HP05s

07-18-2011, 09:23 PM	#4
whoanelly Registered Users Join Date: Apr 2008 Location: Central Ca	so was it flying ? cause i agree that it cant fly on 90 degree it would be out of whack .ya it does need to be 120 set up and for you to know it means 120 degrees between points of balls on the swash. __________________ 700LE : 105HZR AR7200BX JR8917 Multi gov , JR9503 600ESP : 100AMP Castle. Scorpion Motor . AMA #962896 400 Blade : Scorpion 2221-6 ,Castle ICE 50 Sonix Head and t Align 450 pro V2 3G MKS DS95 MSR , 2 x MCPX (brushless C05 & HP05), Blade 130X.

07-19-2011, 09:18 AM	#6
pril250 Registered Users Join Date: Aug 2008 Location: London, Uk	It may be that the previous owner had something like a Flymentor fitted. __________________ T-Rex600-ICE100,WR10ABEC,Scorp4025-1100+17T,Kasama head,QUK Swash CNC Tail,G-Force blocks,3152,DS760+BLS251,DX7+AR7000,FM. Blade400-CC ICE50,Scorp2221-8+12T,Sonix Head&Tail,5A BEC,HS65HB,Quark+3500G,AR7000,Align Carbon blades,TRex500 Skids,Flymentor.

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07-18-2011, 05:15 PM	#3
scott s Registered Users Join Date: Apr 2010 Location: malabar fl	Nope, it was incorrectly set up. The 90 degree would have given you some wierd elevator axis control

07-19-2011, 12:07 AM	#5
Sewer Rat Registered Users Thread Starter Join Date: Jul 2011 Location: Spokane Washington	I didn't know any better, so that's how I learned how to fly. I ain't saying it was pretty though. I did get really good at fixing it. It was a big deal when I got 2 or 3 minute hovers and made it through a couple of batteries without a crash. It also made a huge difference when I learned to bump the gyro up to 75% from the 50% he had it set at. If I'm reading the manual correctly the gyro is effectively disabled at 50%. Now that I've got the swash and gyro sorted out a bit, I feel like I might actually learn to fly before I go broke buying parts.

07-19-2011, 02:44 PM	#7
Ivor Hill Registered Users Join Date: Mar 2008 Location: Plymouth devon UK	Well you made us all smile, if you managed to fly that then with a good heli your going to learn to be a fantastic pilot. Good luck for the future, keep at it, theres a lot to learn but worth it in the end.

07-20-2011, 12:15 AM	#8
Sewer Rat Registered Users Thread Starter Join Date: Jul 2011 Location: Spokane Washington	Thanks! Don't know about the fantastic pilot, but I might get to be a great mechanic. I did notice during last night's session that the helicopter wasn't climbing unexpectedly or shooting off in an unintended direction like it used to. Apparently what I assumed was crappy thumbs on my part was just an improperly set up head. Next stop, figure 8's! Yee Haw! The best part is now I know where to come when I'm needing some advice.