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e-E-Flite Blade MSR CP CX MCX 400-3D > Horizon Hobby Blade CP Sticking Collective Problem Resolved For Free!! :)
 
 
PJSims
Heliman
Location: Roanoke, VA, USA

Success!

I managed to get the grip off. Once I found all the spacers and washer that went fying when the grip came off, I got everything back together correctly.

Took the heli out into the courtyard to try it out, and sure enough, the jumping has decreased greatly. The few times that it did jump were pretty minor, so that's got me wondering if I just might be getting zapped by something in the neighborhood.

Thanks for everyones help.

Retired USAF Loadmaster from the good 'ol MAC days
07-04-2005 01:58 PM
 
 
aileron bail
Senior Heliman
Location: The guy with the dog named Aileron

Take your cystal out and clean and put it back in and put tape on it
07-04-2005 02:59 PM
 
 
PJSims
Heliman
Location: Roanoke, VA, USA

Even though I've only had the Blade for a week, I'll pull and clean the crystal. Anything that might help...

Retired USAF Loadmaster from the good 'ol MAC days
07-04-2005 05:35 PM
 
 
thrilsekr
Heliman
Location: Central Coast, CA

If other fixes do not work check this out...

Part EFLH1145

The center hub may not fit the rotor head properly. This happened to me. I had to replace the spindle and main shaft. When I put it all back together the blades would not pitch. After hours of time and gallons of lube on the spindle and swashplate/shaft. I figured out (after taking apart and reassembling the swashplate and blade grips and spindle several times) the new center hub did not fit the old rotor head. So I had to use the old center hub and it worked fine. Maybe the tolerances are not precise enough for these parts because even after I took the dremel to the new center hub I could not get it to work properly. But if these two pieces do not fit exactly together it will cause binding and prevent blade pitch until the tiny servo motors can push with the centrifugal force of the blades etc.
And these two parts are sold in different kits - so good luck.
If your BCP is new, maybe it got shipped this way (in factory test fly?).
07-06-2005 03:42 AM
 
 
Hoverup
Elite Veteran
Location: Gulf Coast

No telling how long it's been there, but Horizon Hobby now has Technical Bulletins up for the Blade CP including the "sticky collective" design problem. I am surprised they haven't posted on the forums alerting all to this resource. It's a step in the right direction, but a few pictures and illustrations would make it much easier to comprehend.




Cheers - Boyd
AMA 80393
IRCHA 3355
Major USAF
Retired
07-22-2005 07:44 PM
 
 
Sam Mc D
Heliman
Location: Lexington,KY--U.S.

This probably should be "stickied" to the front page.
07-25-2005 06:27 AM
HOMEPAGE  
 
 
sheva
Heliman
Location: West Harrison, N.Y.

Horizon posting fixes to problems

I think horizon might be afraid that if they show they have a problem, they open the flood gates to anyone with an issue, to have there heli replaced.!
07-25-2005 06:55 AM
 
 
jmsilhy
Senior Heliman
Location: Mexico City, Mexico

Are they still being assembled wrong?

Hi, I've been reading so much about this little heli, that I decided to give it a try. I just ordered one and I wonder if they still assemble them the wrong way and if the fix is still necessary.

Any other mods/probems I should do to it before it's maden flight?

Thanks!
08-02-2005 05:08 PM
 
 
Jason Merkle
Senior Heliman
Location: Las Vegas, NV

Models currently available are still assembled per the manual. Many of these models continue to perform well, but for those that do not, the mod that Boyd posted here along with others found on our Bulletin and Tips page can help:

http://www.horizonhobby.com/Shop/By...ProdID=EFLH1100

Future BCP models may indeed be updated once testing of other potential solutions has been completed.
08-02-2005 05:40 PM
 
 
P-Factor
Heliman
Location:

Blade CP "spindle removal" for Sticky Collective

Can anyone help "walk me through" correcting the "sticky collective" issues. I understand the concept, and can successfully remove one set of "screw and washers" by backing up the opposite side with a hex key; however, I am unable to remove the opposite side. I have had advise to just "pull it through" but it seems like it is being mechanically held in some fashion. I have reviewed the exploded schematics, but still cannot figure this one out. By the way, you may have guessed already, but this is my first experience with a heli. I just want to make sure I am armed with all the knowledge I can be before trying to fly. It seems as though the "sticky collective" issue is something I shouldn't deal with as a rookie heli pilot.

Thanks for any advice you can offer!!!
08-31-2005 05:01 AM
 
 
VERTICALRC
Heliman
Location: SAN ANGELO, TX

I thought the same thing that the blade grips were being held by something else. I called horizon hobbies and the tech said you just had to put a little musle in it and pull the grips apart. I removed one of the blade grip set bolts and put the heli on a table chest high. I put my elbows against my side and my fore arms below my chest. I braced my arms against my body in that position and used my wrist only to pull the grips apart. It took some force, but I got them apart. Bracing your arms should prevent you from slinging your heli across the room when the grips finally come loose. I hope this helps!
08-31-2005 06:31 AM
 
 
johnny b
Senior Heliman
Location: Central Coast, CA

Saw a CP2 and Blade side-by-side at the LHS. Heli's are similar, but the heads are different, CP2 being bell-hiller, Blade being hiller set-up. Otherwise, same helicopter (except for the Blade's better looking canopy). Problem with the blade grip assembly/washer probably the same across both, the differences are in the top of the heads, not in the blade grips.
10-02-2005 11:28 PM
 
 
avatar71
Senior Heliman
Location: East Amherst, NY

I wanted to take a moment to commment on the customer support that Horizon Hobby has on this product. I bought one of the early release Blades some months ago. It was ok but developed some problems over time. Long story short... after two returns to Horizon Hobby, they replaced the WHOLE THING with a brand new one. They even replaced my aerobatics kit too. Not a single cost to me what so ever. I am amazed with their level of customer commitment. I will continue to buy Horizon Hobby products!!! Thanks guys!
10-04-2005 07:43 PM
 
 
MattRandom
Heliman
Location: No where

This fix has proven impossible on my Blade. The bolts are so tight that I unfortunately stripped out one of the bolt heads. The bolt has a nice circular socket on it now. Due to the location of the bolt using pliers or vise grips is impossilble.

I guess I need to just hope and pray that I don't experience this issue.
10-13-2005 11:24 PM
 
 
Jason Merkle
Senior Heliman
Location: Las Vegas, NV

Matt -

As long as you are using good quality (preferably hardened tip) 1.5mm hex wrenches (like the one included in the kit) you should not have any problems stripping the socket heads when attempting to remove the screws from the spindle.

Be sure to avoid using some of the low-cost "ball" drivers for this as they often strip themselves of the screw before breaking the loctite bond. I always use the included hex wrench on one side and one of the Dynamite drivers on the other, and have never experienced any issues with stripping out the socket:

http://www.horizonhobby.com/Shop/By...?ProdID=DYN2900
10-14-2005 04:20 PM
 
 
MattRandom
Heliman
Location: No where

LVRCFlyer -

Thanks for the feedback. I was using the included wrench on one end and a Craftsman wrench on the other end. This bugger is really tight. I guess it is now a permanent assembly unless I can come up with an idea to get it apart.
10-14-2005 06:09 PM
 
 
Henna_Ojisan
Heliman
Location: San Jose, CA

Esky CP2 - same probs, fixed today...

I recently had the same probs with my Esky CP2 with the Sticky Collective and thanks to Boyd, it's a whole different machine!!!

If you are having troubles, the hardened 1.5mm hex on both sides will at least get one side off. The shaft will slide all the way out on the opposite side the screw was removed from. Then the hard part for me was removing the screw on the other side. I did not want to damage the shaft by using pliers directly on it and it was greasy so no chance in holding with them that way anyway. I used some old RC foam (I had it from wrapping my old plane's Rx) and I put that over the shaft. Used the pliers on that, and the other side's screw came off really easy.

Followed Boyd's instructions (a picture's worth a thousand words-thanks Boyd) and it flies so much better.

Some tweaking on the gains and it's incredible how much difference!!

Jason

MattRandom - worst case for you - you'll have to dremel the grip off and catch the head of the screw that way. It's small, but achievable at the cost of a new grip...
10-18-2005 05:14 AM
HOMEPAGE  
 
 
oneslim
Heliman
Location: Pittsgrove, NJ

Just 'chuck' the shaft in Your Drill, That will grip it without damage.
10-18-2005 02:00 PM
 
 
Henna_Ojisan
Heliman
Location: San Jose, CA

Drill Chuck..

That's a great idea!! Never thought of that - much better than pliers...
10-18-2005 03:55 PM
HOMEPAGE  
 
 
saahbs
Senior Heliman
Location: Aurora, IL.

this thread was _most_ helpful

I just received my eSky CP2 and spent the afternoon adjusting it. Fixing blade tracking was pretty easy, adjustings the pots helped a little, but sticky collective was a pain.

As suggested, I used two allen wrenches to take the blade holders apart. Even CP2's blow-up diagram shows wrong parts order!!!!

Now the heli was actually flying, but the throttle stick is stepped and makes hovering very difficult. I covered the metal tab inside (the one that clicks into the grooves) with fuel tubing. Now it has resistance and no steps.

Without your collective help, I would have probably badly trashed it trying to _force_ it to fly.

Can't wait for a calmer day to practice hovering outside

Thanks! M.
10-30-2005 04:13 AM
 
 
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e-E-Flite Blade MSR CP CX MCX 400-3D > Horizon Hobby Blade CP Sticking Collective Problem Resolved For Free!! :)
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