RE: HeliMax Axe CP purchase!!!!!!  
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RE: HeliMax Axe CP purchase!!!!!! - 1/5/2007 3:41:07 AM   
CowboyLifesaver


 

Posts: 406
Joined: 7/7/2005
From: Sun Valley, NV, USA
Status: offline 		They need aluminum blade grips with these things. You breath on the plastic grip wrong and the ball joint breaks.

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(in reply to PilotLight)
       Post #: 76

RE: HeliMax Axe CP purchase!!!!!! - 1/5/2007 8:30:28 PM   
flying-llama


 

Posts: 87
Joined: 2/23/2006
From: Boston, MA, USA
Status: offline
quote:

ORIGINAL: leftseat140
... The problem is that if I idle it up and push say forward cyclic, the blade leans forward and a little to the left. Just the opposite when pulled back. It seems like the linkages are off by 10-15 degrees. ...


One possibility is this is done on purpose because of something called "gyroscopic precession" (mispelled, I am sure):
the idea is that if you apply a force on a rotating object, it does not react to that force until later in the rotation
(I have read that in theory it is 90 degrees later, in practice it is somewhere between 0 and 90 degrees).

Because of this, one needs to tilt the blades a little before it actually rotates to the position one wants to move to.
So for forward cyclic, one needs to start leaning on the blade a little before it spins to the forward location.

(in reply to leftseat140)
       Post #: 77

RE: HeliMax Axe CP purchase!!!!!! - 1/9/2007 5:21:55 AM   
ws74231


 

Posts: 5
Joined: 3/11/2005
From: columbus, WI, USA
Status: offline 		I bought the Venom Carbon Fiber baldes for about half the price of the Helimax carbon fiber blades and they work great.

(in reply to bdelmonte)
       Post #: 78

RE: HeliMax Axe CP purchase!!!!!! - 1/10/2007 1:52:44 AM   
flyingace451


 

Posts: 946
Joined: 3/6/2005
From: Hixson, TN, USA
Status: offline 		Boy do I feel stupid getting a BCP as a first heli now...the tail booms aren't the easiest things to replace on those...stupid basketball goals jumping in my heli's way!

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(in reply to ws74231)
       Post #: 79

RE: HeliMax Axe CP purchase!!!!!! - 11/14/2007 5:33:17 PM   
MMatheny


 

Posts: 805
Joined: 1/23/2003
From: Dickinson, TX, USA
Status: offline
quote:

ORIGINAL: dfalcon

If any of you guys has a pitch gage, can you measure the stock pitch curves for me? I'm going to set it up with my Futaba 9C as soon as the rx freq crystal arrives later this week. I switched the servos out for HS-55's so it's already to late for me to check the stock pitch myself.

Where did you order your xtal from?

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Mike
"Never use your shins as a blade tracking device" - Mike

(in reply to dfalcon)
       Post #: 80

RE: HeliMax Axe CP purchase!!!!!! - 11/14/2007 6:09:22 PM   
dfalcon


 

Posts: 213
Joined: 10/26/2004
From: Bozeman, MT, USA
Status: offline 		I ordered this one from Tower Hobbies:

http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXBFL2**&P=ML

This one from Great Planes is identical but less expensive:

http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXFAT0**&P=7

Just keep in mind that the receiver (like some futaba receivers) is limited to the upper half of the 72mHz band (channels 36-60).

(in reply to MMatheny)
       Post #: 81

RE: HeliMax Axe CP purchase!!!!!! - 1/19/2008 11:33:29 AM   
paulrooney


 

Posts: 1
Joined: 2/22/2005
From: Duluth, GA, USA
Status: offline 		I need to replace a blade grip. Does it simply pull out from the main hub? Cannot see a set screw or other retainer but have a hard time beleiving it is only a friction fit and don't want to test it with a hard pull

(in reply to tgwolfwood1981)
       Post #: 82

RE: HeliMax Axe CP purchase!!!!!! - 1/19/2008 11:54:42 AM   
BarnyardPilot



Posts: 19
Joined: 1/3/2006
From: Burns, TN, USA
Status: offline 		There is a screw in the grip. You will have to put an hex wrench in the opposite grip to keep it from spinning.

(in reply to paulrooney)
       Post #: 83

RE: HeliMax Axe CP purchase!!!!!! - 1/25/2008 5:30:04 AM   
briz


 

Posts: 229
Joined: 8/27/2006
From: Riverside, CA, USA
Status: offline
quote:

ORIGINAL: dfalcon

Has anyone else had to change the blade grips on the Axe yet? Each grip is held on the feathering spindle shaft by a little phillips-head screw that screws into the end of the spindle shaft.....
After about an hour and a half of trying, I almost stripped both of the screws before I got one of them out. Two screwdrivers just wouldn't cut it. Luckily (...!?), in the crash I described in post 54, the brackets of one of the grips sheared clean off. On that side, I was able to grip the screw with a pair of pliers (only the biggest pair of pliers I own finally did the job) and use a screwdriver on the other end.
I lucked out only having to change the blades and blade grips, but man, what a job it turned out to be.

They are 'allen" screws.....not philipps!(at least mine are). You need two of the wrenchs that come with the heli and hit it from each end at same time.

< Message edited by briz -- 1/25/2008 5:33:28 AM >

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(in reply to dfalcon)
       Post #: 84

RE: HeliMax Axe CP purchase!!!!!! - 3/8/2008 9:33:16 PM   
chevypower1930


 

Posts: 398
Joined: 6/7/2006
From: Raleigh, NC, USA
Status: offline 		Hey everyone, my Ace CP-L! is on its way to my house right now, I have a question about the idle up... HOW do you switch to idle up, do you have to switch while you're flying or can you start out in idle up? because of the fact that the way I see it if you switch the idle up switch while the heli is stationary won't the rotor blades just cick straight into full headspeed? I would think that may result in a crash or loss of control or damage the rotor head, etc...? I foolishly purchased a Raptor G2 (CRAPtor G2) about 2 years ago and stuck w/ fixed pitch helis after that HORRIBLE helicopter, any help yall.. this will be my first GOOD ccpm helicopter

(in reply to PilotLight)
       Post #: 85

RE: HeliMax Axe CP purchase!!!!!! - 3/9/2008 12:02:52 AM   
Tall Paul



Posts: 4606
Joined: 6/23/2002
From: Palmdale, CA, USA
Status: offline 		You can't start in idle-up, the receiver won't arm.
After it's on, then switch.

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(in reply to chevypower1930)
       Post #: 86

RE: HeliMax Axe CP purchase!!!!!! - 3/9/2008 5:27:38 PM   
chevypower1930


 

Posts: 398
Joined: 6/7/2006
From: Raleigh, NC, USA
Status: offline 		yea I know that but i am asking if you just start in idle up or do you have to start in normal and hten swith while your flying

(in reply to Tall Paul)
       Post #: 87

RE: HeliMax Axe CP purchase!!!!!! - 3/10/2008 1:49:06 AM   
Tall Paul



Posts: 4606
Joined: 6/23/2002
From: Palmdale, CA, USA
Status: offline 		Turn on the machine.
Collective control all the way down.
Switch to idle up. The headspeed really goes up!
Begin to advance collective, the heli will start to climb after some movement on the collective.
Cut the power back to idle.
The heli is forced back on the ground.
With idle up engaged, and the collective all the way down, the main rotor is at maximum negative pitch.
Advancing the collective moves the pitch towards positive.
I expect the heli will leap into the air with full collective, from the ground.
Switching between idle up ON and OFF in the air is what gives you tick-tocks and other impossible things.

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< Message edited by Tall Paul -- 3/10/2008 2:15:21 AM >

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(in reply to chevypower1930)
       Post #: 88

RE: HeliMax Axe CP purchase!!!!!! - 3/10/2008 3:25:05 AM   
chevypower1930


 

Posts: 398
Joined: 6/7/2006
From: Raleigh, NC, USA
Status: offline 		thanks, I was just wondering if it will damage the heli by switcing from a non moving, stationary headspeed and rotors to a full headspeed in the idle up mode, and also tic tocs aren't done with switching from idle up to normal mode in flight, thats done by switching from positive to negative collective

(in reply to Tall Paul)
       Post #: 89

RE: HeliMax Axe CP purchase!!!!!! - 3/10/2008 6:15:53 PM   
Tall Paul



Posts: 4606
Joined: 6/23/2002
From: Palmdale, CA, USA
Status: offline 		I doubt I'll ever get high enough to try a tick-tock, by any means.


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