RE: 22e v2 CNC upgrade setup

RE: 22e v2 CNC upgrade setup
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RE: 22e v2 CNC upgrade setup - 3/27/2007 10:27:26 PM

NY Rebel

Posts: 510
Joined: 2/23/2005
From: Flushing, NY, USA
Status: offline

Sorry to hear about the crash... Is your arm OK? Heli's can be repaired...not so easy to repair body parts....
The only real problem with usiong the stock main shaft with the v2 is that it doesn't have the hole in it for the little bolt that goes through to hold the head on. Also, it would be too long (that's easily taken care of with a dremel tool).
I have bought a replacement shaft from xmseller and helidirect also has them.
http://www.cnchelicopter.com/servlet/the-444/CNC-Precision-steel-shaft/Detail
http://www.helidirect.com/product_info.php?cPath=38_114&products_id=1777

BTW...did you get that shogun you were looking at?

quote:

ORIGINAL: spOon2410

Hey so I just crashed my heli...into my arm...anyways, I bent the shaft (was using the one that came with this upgrade), my question to you NY is: will the stock main shaft fit with this head setup? Does it have the right grooves in it for the bolts?
If not where might I be able to buy a shaft that would work?

(in reply to spOon2410)

Post #: 126

RE: 22e v2 CNC upgrade setup - 3/27/2007 11:19:38 PM

spOon2410

Posts: 373
Joined: 10/28/2006
From: Vancouver, BC, CANADA
Status: offline

My arm is OK, cut a little bit, but luckily I was wearing a thick sweatshirt. Have some pretty bad bumps there though.
Just by looking at the V2 shaft i can tell mine is bent, but if i took it off would it be possible to unbend it enough so that it works well?
I tried fixing my stock main shaft (which was bend to begin with) and i got it pretty darn close, just with my hands, not sure how perfect it needs to be though.

The shogun was actually a walkera 35 with belt drive. Yea i did get it, arrived yesterday. Has carbon blades, frame, boom, stabalizers, comes with BL and 2 li-ion batteries, aluminum landing gear and head upgrades. Good deal for 130 in my books. I ran it up and everything is working fine, blades are tracking, just waiting for my tower pro 9g servos to replace the stock ones (which i dont trust flying with).

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spOon.

(in reply to NY Rebel)

Post #: 127

RE: 22e v2 CNC upgrade setup - 3/28/2007 12:17:00 AM

NY Rebel

Posts: 510
Joined: 2/23/2005
From: Flushing, NY, USA
Status: offline

Glad to hear you're not seriously hurt.
I've straightened the main shafts that have "bow" bends many times with excellent results. If the bend is too dramatic in a small area then it may be more difficult but not impossible. The only thing is... I think it weakens the shaft slightly when it bends, making it more susceptible to bending again. I always try to keep a spare around just in case I can't get the one in the bird straight.

Great deal on the 35, let us see some of your flying on "You Tube" when you get it in the air ...

Project HDX 300 is almost complete (98.5%), I've just been too busy lately to do much with it.

(in reply to spOon2410)

Post #: 128

RE: 22e v2 CNC upgrade setup - 3/28/2007 12:47:58 AM

spOon2410

Posts: 373
Joined: 10/28/2006
From: Vancouver, BC, CANADA
Status: offline

Awesome news on the HDX300.

How would you recommend I straighten the shaft? If I try pulling the head off the anti-rotation pin gets stuck and i would have to take apart the servo mount. Would this still be the easiest way? I guess any way I do it, I'm going to need to take apart the rear servo mount...Oh well. Kinda a pain.

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spOon.

(in reply to NY Rebel)

Post #: 129

RE: 22e v2 CNC upgrade setup - 3/28/2007 1:23:35 AM

spOon2410

Posts: 373
Joined: 10/28/2006
From: Vancouver, BC, CANADA
Status: offline

Ok i took apart the servo frame and loosened the two bolts on the silver pentagonial shaped part near the top of the main shaft, in hopes of being able just to pull the cnc head right off the shaft, no go. It is tight on there, wont rotate or anything. Do i need to loosen the black bolt that goes through the blue part just above the shaft, with the nut on the other side? If so what size allen key is it? I have the 1.5, the small one for a couple of the smaller head parts, and the one thats just bigger than the 1.5, which works on the bolts for the spacers and attachments on the main shaft. None of them seem to fit...

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spOon.

(in reply to spOon2410)

Post #: 130

RE: 22e v2 CNC upgrade setup - 3/28/2007 1:53:19 AM

NY Rebel

Posts: 510
Joined: 2/23/2005
From: Flushing, NY, USA
Status: offline

Yes.. you need to take the little black bolt out. Not sure what size it is and I'm not near mine to be able to check it. I'll check it later and let you know.

EDIT: A 1/16th hex key seems to be the correct one.

< Message edited by NY Rebel -- 3/28/2007 10:00:38 PM >

(in reply to spOon2410)

Post #: 131

RE: 22e v2 CNC upgrade setup - 3/29/2007 1:43:18 AM

spOon2410

Posts: 373
Joined: 10/28/2006
From: Vancouver, BC, CANADA
Status: offline

Ok yea it was the 1/16, didnt seem to fit at first, but i think thats because it has the black paint on it.
Anyways, i got the shaft out and bent it back to the best of my abilities...The one from the CNC head was a lot harder to bend than the stock one.
So I put it back on, and span up without blades, little vibration/movement, then with blades, and it all seemed good.
I tried flying outside, but it was acting all weird, pitch, cyclic, everything! I tried to land and tipped over slightly, hitting the blades on the ground, with minor damage though.
After inspecting the head to see if it was alright (i thought the gyro caused the problem at first, because I fiddled with the settings) , I noticed that the two tiny 1.2mm head silver bolts that hold on the silver pentagon-shaped part near the top of the main shaft were GONE!
I had a look for them inside (where i span it up first) and outside, but so far haven't found them. I left them in the head loosely when I took it off, and just forgot to tighten them before i flew.
The bolt that holds the flybar from spinning is the same size, so I took one of those out and put it in the missing spot.

Do you think it will be alright to fly with one of the bolts missing from both the flybar, and the silver piece? I have the bolts done in pretty tight.

I also looked through all my screws for something that might fit, but couldnt find anything. I might just have to order: http://www.cnchelicopter.com/servlet/the-CNC-300-helicopter-V2/searchpath/8098/start/17/total/26/Categories
unless i could find something at my LHS.

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spOon.

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Post #: 132

RE: 22e v2 CNC upgrade setup - 3/29/2007 5:45:56 PM

NY Rebel

Posts: 510
Joined: 2/23/2005
From: Flushing, NY, USA
Status: offline

Hmm.... it may be OK the way you have it ... but I would get replacements ASAP.
LHS should have them...I'm not sure what size they are...
If you need to order them, Helidirect has a "hardware package" that includes them (I think).
http://www.helidirect.com/product_info.php?cPath=38_114&products_id=1780
I'm not positive though..... so the part you referenced would be the sure way to get them.

(in reply to spOon2410)

Post #: 133

RE: 22e v2 CNC upgrade setup - 3/29/2007 6:59:21 PM

spOon2410

Posts: 373
Joined: 10/28/2006
From: Vancouver, BC, CANADA
Status: offline

I sent in a ticket with helidirect to ask if this part bag had the 1.27mm hex bolts: http://www.helidirect.com/product_info.php?cPath=30_65&products_id=1348
And they said it SHOULD, but to just make a reference when i order for them to double check there are two in there.
I flew it yesturday, everything is holding up fine without them so far, but I'll still replace them for sure.
Also i think this shaft is the right one for our head? http://www.helidirect.com/product_info.php?cPath=30_65&products_id=2794
Have you tried the blue gear that you can get with it? I think it is supposed to be stonger...?

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spOon.

(in reply to NY Rebel)

Post #: 134

RE: 22e v2 CNC upgrade setup - 3/29/2007 10:29:19 PM

NY Rebel

Posts: 510
Joined: 2/23/2005
From: Flushing, NY, USA
Status: offline

Yes...that looks like the shaft...
If you get the blue main gear you will need to get the one-way (auto-rotation) bearing sleeve also.
I've never had a problem with the stock gear, ever, so unless you just want to try the blue gear...the stock one is good to go.

(in reply to spOon2410)

Post #: 135

RE: 22e v2 CNC upgrade setup - 3/30/2007 4:25:26 AM

spOon2410

Posts: 373
Joined: 10/28/2006
From: Vancouver, BC, CANADA
Status: offline

I had 1 or 2 teeth knocked out of my old stock gear, ordered a replacement...
I was prob. just unlucky, thanks for the advice, I will just get two of the V3 shafts then.
Im also going to try the CF blades from helidirect, $22. They have great reviews and I think JD once said they are good, so it must be true : P

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spOon.

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Post #: 136

RE: Sonix v2 CNC head setup for 22e - 4/8/2007 9:55:57 AM

spOon2410

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Joined: 10/28/2006
From: Vancouver, BC, CANADA
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/bump

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spOon.

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Post #: 137

RE: Sonix v2 CNC head setup for 22e - 4/10/2007 6:52:34 AM

zeese5

Posts: 28
Joined: 4/6/2007
From: AmpangSelangor, MALAYSIA
Status: offline

I just go my cnc head a few days ago, and it came with 105mm
main shaft

(picture from http://www.cnchelicopter.com). It has a few grooves in it.

The stock shaft has a flat groove to lock the gear hub. But this cnc main shaft
has "circular" groove, not flat.. I hope you get the picture of what I'm trying to say.
1) So, I'm wondering will the shaft can hold on to the gear while spinning..

2 )Secondly, while adjusting the height of swashplate.. and when trying to lock the collar
& gear hub, the screw no longer align with the groove. Should I just continue lock the
collar very tight? Or should I make a new groove? Or should I adjust the cnc main shaft
such that the screw goes directly into the groove?

3) I don't have dremel. Is it possible to cut the main shaft using hacksaw?

(in reply to spOon2410)

Post #: 138

RE: 22e v2 CNC upgrade setup - 4/10/2007 7:26:58 AM

spOon2410

Posts: 373
Joined: 10/28/2006
From: Vancouver, BC, CANADA
Status: offline

1) Yes it holds, just do the grub screw up tightly, and you may want to use some blue locktite to hold it in. On the note of locktite i would suggest putting the blue stuff in all the bolts on the head. I had 4 of mine come loose just from vibration, works fine now with locktite.

2) It does seem to be very tight, but if you loses the grub around the middle of the shaft that goes just above the main frame and bearing, it may be able to go up a little and still fit in it's groove. Then you would be able to move the main shaft down slightly and the grub on the bottom should fit in. Its a little tricky but DOES fit.

3) If maybe your friend/neighbor has a dremel i would recommend doing it this way. I used my neighbors. But the cut does not have to be clean nor accurate, really. You just need to cut the bottom off so that you can fit your battery in there, otherwise it sticks out. You could carefully vice grip it and try a hacksaw with a fine blade, but be sure you dont bend or mark/inprint the shaft in any way! If the vice is too tight and leaves marks the shaft will need to be fixed.

Hope this helps!

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