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HomeAircraftHelicopterHIROBOOther › Shuttle Zxx Head Dampner problem
04-04-2009 04:28 PM  9 years agoPost 1
Cope

rrVeteran

South Lake Tahoe CA

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Hirobo dampeners
Part # 0402-006

The dampeners appear to be smaller than the old ones I removed.
With the new one installed there is at least a quarter inch of play between the head block and the blade grips.

The blade grips are (I think) the evo 50 ones. I broke the old ones at some point and these were superseded.

Are these(Dampeners) the wrong part?

Thanks again.

Fear is the little death,The mind killer. I will allow my fear to pass through me.Only I will remain

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04-04-2009 05:22 PM  9 years agoPost 2
Cope

rrVeteran

South Lake Tahoe CA

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Here's a pick with both dampeners installed and the grips on. Note the non threaded portion of the feathering shaft that is sticking out. That is the amount of play I'll see.

Thanks for looking.

Fear is the little death,The mind killer. I will allow my fear to pass through me.Only I will remain

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04-04-2009 06:19 PM  9 years agoPost 3
Cope

rrVeteran

South Lake Tahoe CA

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Another problem I see is that the grips will be rotating against the head block(causing wear), Where as before the dampeners stuck out and held the grips away from the head block.

Thanks again.

Fear is the little death,The mind killer. I will allow my fear to pass through me.Only I will remain

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04-05-2009 06:42 PM  9 years agoPost 4
Asid

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uk

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Hi

There is a special spacer between the damper and the blade grip. Have you installed that?

Regards

If it ain't broke then break it.

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04-06-2009 01:57 AM  9 years agoPost 5
captb

rrApprentice

Arizona Desert

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Check the exploded view your probably missing spacers. captb

If it's gonna happen it'll happen up there!

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04-06-2009 01:59 AM  9 years agoPost 6
Cope

rrVeteran

South Lake Tahoe CA

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Asid can you list the part # for the spacer?

I have all the parts I removed and there was no spacer?

I got the part # from the Tripod webpage.

See it Here. (Click on pick to enlarge)

http://crono34.tripod.com/shu053.jpg

Thanks for the reply!

I really want to fly this sucker, What do I need to make it right?

Thanks again.

Fear is the little death,The mind killer. I will allow my fear to pass through me.Only I will remain

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04-06-2009 04:43 PM  9 years agoPost 7
Cope

rrVeteran

South Lake Tahoe CA

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Come on guys. I did not leave any parts out.

What gives?

You can see the new parts are smaller than the old parts.

Thanks for looking.

Fear is the little death,The mind killer. I will allow my fear to pass through me.Only I will remain

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04-06-2009 07:59 PM  9 years agoPost 8
Asid

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uk

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0402-504 it is a spacer approx the size of the gap you have. You fit the dampers

You fit the cross shft / spindle

You fit the spacer

You slide the blade holder on complete with bearings.

Hope this helps

Regards

If it ain't broke then break it.

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04-07-2009 01:01 AM  9 years agoPost 9
Cope

rrVeteran

South Lake Tahoe CA

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Part # 504 fits into a recess in the blade grip and has no affect on the situation. ( I do have part # 0402-504 installed)

It's pretty clear from the pick that the new dampners are smaller, I'm wondering if they have changed? Or if this part number is no good with the new superseded evo 50 grips? I have had the grips on and working,(with the old dampners) so it's not a case of the grip being wrong.

Edit. Even If I had not installed part 504 the grips would still be rubbing on the head block,= not ok.

Fear is the little death,The mind killer. I will allow my fear to pass through me.Only I will remain

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04-07-2009 06:47 AM  9 years agoPost 10
glydrjocky

rrApprentice

Livermore, CA - USA

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Get a new center hub for Shuttle Plus or stack two on each side
First off, those arent' EVO 50 grips, they are Shuttle Plus style grips. I use the smaller dampers with no issues on my Shuttle ZX and Shuttle Plus so lets look away from the grips for a second and look at the actual center hub on the main shaft. I know for a fact that those large size dampers would not work on my Shuttle Plus because the bore is only deep enough to slip one small damper in.

I'm not sure what kind of center hub you are running but would you be able to stack two small dampers on each side and make them as thick as the one large one you pulled out??? Either that or order up a new Shuttle Plus center hub.

Is your hub made of plastic or aluminum?

T

The only people who truly know where the edge lies, are those who have gone over.

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04-07-2009 04:06 PM  9 years agoPost 11
Cope

rrVeteran

South Lake Tahoe CA

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Good lookin on the grips I could not remember what model they came from.

They are superseded by the manufacturer. The Head block is stock plastic Shuttle Z block I believe.

I don't want to buy a new head block as this one is fine, If it ends up being a case that the manufacture changed the design of the dampners and now the part # no longer fits old head blocks, Well that sucks, and then When MRC comes out and says YES There has been changes made to part # 006, You now need to use part # "X", Then I'll buy a new head block.

Other wise I feel like I may just get the wrong parts again. These parts are all ordered using the manufactures part list and produced by the same.

In the pack of dampners there is a total of four rubber dampners. I tried to use all four but that makes it WAY to big.

I wish MR. MRC would Chime in on this.

Thanks for the time and advice.

Fear is the little death,The mind killer. I will allow my fear to pass through me.Only I will remain

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04-08-2009 12:07 AM  9 years agoPost 12
clive45

rrVeteran

NSW Australia

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Have you owned this since new......I wonder if someone has used non standard rubbers and taken out the spacers. Just get new spacers and go fly

If it cannot fly on it's own, then I won't be much help....

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04-08-2009 01:12 AM  9 years agoPost 13
glydrjocky

rrApprentice

Livermore, CA - USA

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Send pictures of your entire head assembly so we can see what you are working with.

If you have some kind of ancient parts on the head you will have to upgrade something to make the new dampers work. Dampers wear out pretty quickly anyway so its best to have some thing that uses the most modern ones available.

T

The only people who truly know where the edge lies, are those who have gone over.

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04-08-2009 05:36 PM  9 years agoPost 14
Cope

rrVeteran

South Lake Tahoe CA

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I have not owned this kit since new, It was produced in 85. I was born in 79.

It is possible some one at some point changed the dampners out for a non OEM set? Truth be told I've been flying this bird on this set of dampners for about 2.5 years now. I Think the old ones may be worn out?

Here are the picks of the Head block and components.

Head block and internal metal spacer.

Head block (TOP)

Head block (Side)

Dampners-Old and New, Feathering shaft, Spacers part # 504, Blade grips- washers and Nylocks.

Thanks again.

Fear is the little death,The mind killer. I will allow my fear to pass through me.Only I will remain

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04-08-2009 11:17 PM  9 years agoPost 15
clive45

rrVeteran

NSW Australia

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OK so the spacers are there and I assume that there are 2 bearings in each blade holder. the spacer should just protrude from the blade holder, this keeps it away from the head block etc. If this is so and you have too much shaft space when all is tightened up the only other thing I can think of is the spindle is not the correct one and someone may have changed the spindle and dampners to get flying again. My spindle from end to end is 3.7" inc the threaded parts .

If it cannot fly on it's own, then I won't be much help....

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04-09-2009 12:13 AM  9 years agoPost 16
glydrjocky

rrApprentice

Livermore, CA - USA

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Well, that hub looks pretty standard but the bore inside it is obviously deeper than the newest one. Still not sure if its plastic or metal (the black part). Buying a Shuttle plus hub will fix this problem.

OR.........and this is purely experimental........

You could place two dampers in one side of the hub and trim the outer one flush with the hub. Do the same on the other side. Now I'd remove the shaved damper and place it on the inside of the two and the whole damper on the outside. Put it together and see how it feels making sure the the blade grips are equally spaced from the hub. This is the route I would take if I was dealing with your spacer issue.

Place both the dampers in the hub on one side and send a picture of how far it is protruding.

T

The only people who truly know where the edge lies, are those who have gone over.

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04-09-2009 12:46 AM  9 years agoPost 17
Cope

rrVeteran

South Lake Tahoe CA

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Hmm...

My feathering shaft measures 7.81" by .2" Interesting....

I was thinking about cutting one dampner in half and trying to run one and a half on each side.

I'll report back later.

Thanks again.

Fear is the little death,The mind killer. I will allow my fear to pass through me.Only I will remain

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04-09-2009 02:06 AM  9 years agoPost 18
clive45

rrVeteran

NSW Australia

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Are you sure???? 7.8" for the feathering spindle thats rediculus. My Sceadu 50 is only just over 4" long. Are you sure thats correct..

If it cannot fly on it's own, then I won't be much help....

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04-09-2009 02:37 AM  9 years agoPost 19
Cope

rrVeteran

South Lake Tahoe CA

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Correction 3.81" Don't know where the 7 came from.

It's been a tough day. My friend Mike just passed earlier. 45 with two kids and just married last year, To his long time sweet hart and mother of his children.

RIP Mike McGuire

Fear is the little death,The mind killer. I will allow my fear to pass through me.Only I will remain

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04-09-2009 06:23 AM  9 years agoPost 20
Isaac F

rrKey Veteran

Panama Republic of Panama

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Ok, I think I know what is your problem!

You have a Old Shuttle that use diferent blade holders than the new style Blade Holders you have.

The Old Blade holders use THIN grey spacers between the rubber dampers and the blade holder.

The new style blade holder NEED to use THICK grey Spacers

So your problem is that you are using old thin spacers with new style blade holders.

I remember long time ago that when you use to buy a Hirobo Shuttle spindle, inside the pack was coming 2 thin spacers and 2 thick spacers with the spindle and then you use the ones you need.

Your solution is to order a new spindle and use the THICK Spacers that will come with the spindle pack. See Pic

About the Rubber Dampers

DO NOT install more rubber dampers. Just install the 2 new rubbers.

Make SHURE you lube/Oil the rubber head dampers. When you going to install them in the head, put oil on the outside of the rubbers in order that they get in full and not deformed. The oil help on this.

Then put oil in the inner part of the rubber dampers were the spindle slides in. Make shure that you can move the spindle from side to side easy with the oil.

Some people says to use only silicon based oil and not mineral oil in order that it does not damage the rubbers. In my case I has always use 3 in 1 oil with no problem.

Good luck

Isaac

Speed of light is greater than speed of sound. Some people seem very bright until U hear them speak

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