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Ark › Metal Head Block with Metal Blade Grips
10-12-2005 05:20 AM  12 years agoPost 1
HelisRUs

rrNovice

Sachse, Texas

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Has anyone put together a metal head block with metal grips? I have both but the blade grips have in and out play in them. They don't seem to be made correctly.or I'm assembling them wrong? Any suggestions would be greatly appreciated.

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10-12-2005 02:16 PM  12 years agoPost 2
darkside212

rrApprentice

Milwaukee, WI USA

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mine is like that to...it seems like its missing a spacer or something on one side...is that what you mean?

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10-12-2005 02:32 PM  12 years agoPost 3
skeppley

rrVeteran

Auburn PA

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It's probably just the bearings sliding in the grips themselves. I noticed with the metal tail grips, that they will slide much easier than the plastic.

The plastic grips will also slide in and out, but take more force because of the tighter fit they have on the bearing. As long as the feathering spindle isnt sliding too, you should be OK.

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10-12-2005 10:31 PM  12 years agoPost 4
HelisRUs

rrNovice

Sachse, Texas

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darkside that is exactly what I'm talking about. Do you have a solution/pointer?

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10-13-2005 01:09 AM  12 years agoPost 5
HelisRUs

rrNovice

Sachse, Texas

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I found a solution. Instead of using the the black piece that fits between the grip and the rubber orings i used a washer from a raptor 30/50 spindle. Mount the washer large flat side toward the rings, the smaller toward thegrip and tighten down. Check to make sure the grips can move freely, if they don't loosen accordingly..

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10-13-2005 08:22 AM  12 years agoPost 6
jaseyshef

rrApprentice

Sheffield, UK

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Maybe I'm remembering things wrong but doesn't the black piece go between the two sets of bearings inside the grip housing?

Jase

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10-14-2005 09:25 AM  12 years agoPost 7
jkdenver

rrNovice

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alli blade grips
Hi guys,

I had fitted both the alli head and blade grips, but the problem I found was that the bearing wasn't real snug in the gripss allowing for up and down movement in the blades.

This seemed to reduce the efficency of the blades and also lead to unwanted vibration in the heli while in flight, climb outs where also very sluggish.

I have gone back to the plastic blade grips and now have a very effiecent heli with exellent climb out and no vibration at all.

I personnally feel the build of the new alli grips is poor and would recommend using the plastic instead.

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10-26-2005 12:08 PM  12 years agoPost 8
ti9er

rrNovice

Ryde, Sydney, NSW, Australia

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Hi,

The Ali head will always have a small in and out play.
The only thing you need to look out for is how much play.

Scenario 1
.. if the play is the same play that you would get with the plastic parts...that's OK

Scenario 2
.. if the play is more than the plastic parts, then that's BAD. (this is what i call a bad batch in the production line)

For the 2nd scenario, a solution the we have found is you coud use shims to restrict the play.
If you do not restrict the play, you will end up with a really emphasised coning angle, very stable in flight, i do not know about performance though?

Assembly.
Ali head and blade grip assembly left to right
0. spindle
1. nylock
2. bearing
3. ali spacer
4. bearing
5. ali blade grip
6. plastic spacer (black)
7. damper rubber x 2 (1 only for plastic center hub)
8. center hub
9. damper rubber x 2 (1 only for plastic center hub)
10. plastic spacer (black)
11. ali blade grip
12. bearing
13. ali spacer
14. bearing
15. nylock

hope this helped.

IF IT AIN'T MODE 2 I AIN'T FLYIN' IT!!!
GPH346, JR PCM9X II, GY240, JR G550t
ARK X 400

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11-23-2005 02:37 AM  12 years agoPost 9
upperking

rrApprentice

Spring Hill, Florida

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The metal grips on my mx400 have a bore a little to big for the bearings
and allows up and down play . these have to be a bad batch or are all of them bad like this?
its way to loose and i had to put the plastic ones back on...
does anyone know where i can get a pair of cnc red grips that will match and fit the mx400?

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11-23-2005 06:17 PM  12 years agoPost 10
bird1100xxy

rrNovice

Swindon, UK

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My second set of red CNC blade grips were just as bad as the first with loads of in and out play. Why do they call these upgrades?

I have gone back to the standard black blade grips for now. I have also copied from the Sceadu Evo and put in two screws either side of the bearings as seen inside the blade grips. This stops the in and out movement on blade grips.

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