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HelicopterMain Discussion › Raptor headblock slop
10-21-2004 02:08 AM  13 years agoPost 1
pilot74

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How long have you had teh stock headblock on your rappy 50 before it developed slop?
i finished a flight this morning and picking up the heli i notice a bit of play thought it might be thes spindle in the dampers or the blade grip but the whole headblcok was wiggling side to side a bit. not good.

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10-21-2004 02:13 AM  13 years agoPost 2
vortechZ230

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U.S.A.

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Mine went to hell after about 5 gallons of fuel run through the heli, I just replaced it with the TT Metal head block, Made a big difference in the way it flies!........

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10-21-2004 02:17 AM  13 years agoPost 3
pilot74

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hey cool vortech thats about how much ive had thru it too. is it safe to fly like it until i get the upgrade? im gathering the upgrade metal block will last a bit longer than 5 gallons too ?

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10-21-2004 02:52 AM  13 years agoPost 4
FlyinBrian

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USA

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Hi,

5 seconds, just long enough to put the screwdriver down after tigthening the bolt They are new out of the box sloppy, personally I think its to compensate for the fact that they can not mold them straight so its easier to allow them to "self center".

A good metal one will not wear as long as its a good fit to begin with. Keep an eye on the jesus bolts on the stock plastic heads plus watch for cracks near the bolt holes.

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10-21-2004 03:26 AM  13 years agoPost 5
pilot74

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Yeah i guess the jesus bolt would be under a lot more stress with the slop there too .

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10-21-2004 04:16 AM  13 years agoPost 6
Tron

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Morgan Hill, CA

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If you hae some play, you will eventually break that jesus bolt. Constant loading and unloading of the disc will be slamming the main shaft against that 3mm bolt and eventually bye bye head.

I would take the head block off the main shaft, put in some epoxy, shove it back on the shaft and tighten the jesus bolt up real good. Lift it by the blade grips to make sure the main shaft is centered and let dry overnight. This should take out the slop.

Check from time to time to make sure slop doesn't come back.

Of course, you could always to to metal head block too.

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10-21-2004 05:43 AM  13 years agoPost 7
bill perry

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seattle,wa. u.s.a.

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raptor 50 headblock slop

After having serious tracking problems with my stock Raptor 50 shortly after break-in I replaced the head with another stock plastic head and all was well for about two gallons worth of fuel. The tracking problem returned after any 3-D type maneuvers. I discussed the problem with HeliProz and they suggested their Maverick metal head. Since installing this head the tracking has been perfect and I've had no problem whatsoever. The head has a collar that can be tightened and in my view reduces any slop considerably. I've since installed the same metal head on my second Raptor 50 and I am equally satisfied.
Hope this helps. Bill

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10-21-2004 09:22 AM  13 years agoPost 8
pilot74

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Thanks for your info , Yeah i was looking for a good upgrade that maverick seems to be the one to buy, grab one when have some spare cash..

THats great idea with the epoxy trick. im going to do that tommorrow.

Thanks all..

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10-21-2004 11:49 AM  13 years agoPost 9
Ringding

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Austria

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bill perry, did you also reverse the head as is often suggested when people have tracking problems?

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10-21-2004 01:59 PM  13 years agoPost 10
sweetP

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Sarasota,Florida

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JB weld I think you could build a heli from​it

Like Tron said,
I use a little JB Weld on the shaft and headblock. I only snug the jesus bolt down because I feel that if you over tighten the jesus bolt you will deform the headblock. The epoxy eliminates head block slop. See Ya.

What was my tag line? AMA 139721

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10-21-2004 06:04 PM  13 years agoPost 11
pcliftonjr

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Phoenix, AZ

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I've got about 70 flights on my stock head, sofar no wear induced slop. However, I'm upgrading anyway; should have my Mavrikk head from Brown today...

Paul

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10-21-2004 06:07 PM  13 years agoPost 12
w.pasman

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Netherlands

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I recently fitted a TT metal head, and I had to tweak it on numerous places to get it working OK - play, bearings too tight,... No play now. But substantial phase correction (and still needing more...)

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10-21-2004 06:26 PM  13 years agoPost 13
Jon Roger

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Stavanger, Norway

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I feel that if you over tighten the jesus bolt you will deform the headblock.
I think this is the reason some people feel the need for upgrades, they dont know their own strength .

Others can put their stock helis through hundreds of flights without any problems.

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10-21-2004 07:02 PM  13 years agoPost 14
MPDano

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San Diego. CA

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There is a post on RCHeliSpot.com that I am trying right now. It calls for thin washers in between the dampners and grips. I have zero slop now, but still haven't flown it to test it out.

http://www.onsyd.com/~amoore/phpBB2/viewtopic.php?t=106

Leo Dano

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10-21-2004 08:46 PM  13 years agoPost 15
MPDano

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San Diego. CA

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oops, I stand corrected. Anyways, if those of you that are interested in the slop in the grips. I just tested mine and it works great. This is also supposed to eliminate the woof and poof.

Leo Dano

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10-21-2004 09:09 PM  13 years agoPost 16
sweetP

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Sarasota,Florida

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I think this is the reason some people feel the need for upgrades, they dont know their own strength .
I see the jesus bolt more as a pin that retains the headblock and not a friction fitting. Slop in the headblock is due to how well the manufacturer performed their job. The epoxy for me is a permanent fix with over a year and a half of steady flying it remains tight at the mast block union.

What was my tag line? AMA 139721

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10-21-2004 09:53 PM  13 years agoPost 17
Jon Roger

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Stavanger, Norway

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The jesus bolt is a pin that retains the headblock, so when it comes through the locknut it is no need to tighten it further. Doing so will deform the headblock and cause sloop.

My headblock also remains tight after a year and a half without epoxy.

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10-21-2004 10:00 PM  13 years agoPost 18
Crusty Commie

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Wales

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I have found the same as sweetp, epoxy it and dont overtighten, tho I dont fly hard, it has lasted many months and is still solid, it also seems to run true on the mast, but that might just be luck

I am dsylexia of borg..resistance is fruity...your arse will be laminated

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