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Home✈️Aircraft🚁HelicopterHIROBOHirobo Turbulence › I finally have a Hirobo and its a Turbulence :-D
04-08-2014 04:16 AM  5 years ago
feudallordcult

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Singapore

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update
It's been a road less travelled and at this point, smashing the d3 into the wall seems to be a cheaper and more viable option. First of all, I tried to remove the spindle shaft but realised that the previous had probably dunked all the screws in red loctite during its build. There is NO WAY in HELL I can remove any screws or bolts at all. At this juncture, I only managed to remove the blade grips. The screws in the rotor head are all stripped and there's just NO way to even move the spindle shaft. No wonder the heli is shaking so badly. Pics are useless at times like these. I have NEVER seen anyone put so much red loctite into a nitro heli. The previous owner explained that he was worried of the nitro fumes getting in the bolts and nuts hence better safe than sorry. Wat kind of horse crap explanation is that?!

In any instance, may I ask if anyone here has had the pleasure of fitting a rjx fbl head on the d3? If so, please advise as I may just order one from HK. Thanks in advance.

Thanks everyone. This affair with hirobo has certainly been a most turbulent one...pun intended.
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04-08-2014 05:00 AM  5 years ago
TMoore

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Cookeville, TN

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Unfortunately folks that can't build resort to using adhesives that have no business in the same vicinity as a model helicopter. I've said this many times; you have to be able to take this stuff apart to maintain it.

Try heating up the head to 350F and see if this helps. That's really the only way to dissolve red Loctite.

TM
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04-08-2014 05:26 PM  5 years ago
payne1967

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uk

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use a dremel and cut a slot in the screws if they are stripped
then heat with a very hot soldering iron and unscrew them
get the screws very hot, don't just leave the heat on for a few seconds

and yes there are a good many that have no idea tow to apply loctite
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04-09-2014 02:17 AM  5 years ago
feudallordcult

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Singapore

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update: there is no way I could get the spindle shaft out. my last resort is to buy a rjx 10mm fbl head to fix onto the d3. Man, it's like there is some kind of poison in this heli that I just can't purge. it's a horrible feeling to see the bird shaking itself to death.
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04-09-2014 03:20 AM  5 years ago
petiteway

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Melbourne, Australia

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Try to remove by using a torch.

The only issue with the torch will be, if you apply too much heat, then the nice Hirobo blue color will fade.

If you really cannot get the dumper cap out (the screws are too small so they are easily strip), then buy a new hub, it's a shame to fly this nice bird with RJX head.
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04-09-2014 04:15 AM  5 years ago
feudallordcult

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Singapore

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i have bought the parts to convert this bird to fbl. all parts are really to rock n roll. having to buy a new rotor head certainly will dampen the mood...cos its NOT cheap. Last i checked, the price was about USD135, what kind of material is hirobo using to manufacture the head?! military grade titanium?

anyway guys, I really thank all of u for yr invaluable inputs. it certainly feel much better knowing that i'm not 'alone' in resolving this seemngly unresolvable issue.
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04-09-2014 11:32 AM  5 years ago
fastrc1

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Planet Brooklyn, NY-USA

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Hey Buddy. PM me pics of the frozen head. I'm assuming its SSZ5. You mentioned the spindle not moving. If the head still has the pivot bearings attached to the center pivot on the spindle, there's a set screw 1.5 mm that goes straight through the head button. If you remove the set screw it will release the spindle.

Eaton
RIP Roman Pirozek Jr.
Team Futaba USA
Team Kontronik USA
http://flysrw.com
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04-09-2014 12:09 PM  5 years ago
petiteway

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Melbourne, Australia

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I think it's a SSZ-IV not a SSZ-V, but not big difference, same yoke, different spindle but use the same spindle ball.

Eaton is right, check if there is a set screw which holding the spindle with the spindle ball.

But you still need to remove the dumper cap, otherwise you may be able to change spindle but not the dumper rubbers later.
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04-09-2014 12:20 PM  5 years ago
gouki

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philippines

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i once ruined the spindle carrier and it was the thin aluminum version before. it held on the the spindle and no amount of twisting or heating helped. i brought it to a machine shop and the machinist used a big hydraulic press to push the feathering spindle out. you can try that if all else fails. the good thing was, the machinist was a good friend of mine and did it all for free
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04-09-2014 02:25 PM  5 years ago
feudallordcult

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Singapore

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I tried to hammer the spindle shaft. It's really stuck. I hv removed the grub screw on top of rotor head. At this point, I just wanna buy a gallon of red n blue loctite then shove it down the previous owner's throat. It does appear he loves loctite. My gosh, I almost let him build my goblins!
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04-09-2014 07:13 PM  5 years ago
TMoore

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Cookeville, TN

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Probably the reason it is stuck is the set screw in the heim ball, take that loose. In addition load up the shaft with oil and let it sit because on the Turbulence the dampners have a steel liner that will gall the feathering spindle if you aren't careful. Since it is abundantly clear that the prior owner was not mechanically literate expect the worst.

TM
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04-09-2014 07:44 PM  5 years ago
fastrc1

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Planet Brooklyn, NY-USA

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The tool for that would have been a grippy tool. No hammering but....RIP Roman Pirozek Jr.
Team Futaba USA
Team Kontronik USA
http://flysrw.com
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04-09-2014 08:14 PM  5 years ago
Mike0251

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Hills of the Blue Ridge VA

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Find access to a good size vice. Find a deep socket for the extended shaft end to fit into (socket longer than protruding shaft). Put a drop of oil on short end of shaft, place in vice and tighten. You could do the same with a hydraulic press. Same principal. It will move and lubricate as it does. Then get a piece of rod the same size or smaller and continue to push the old shaft through. That part should not have had locktite on the shaft.
Wow....
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04-10-2014 12:07 AM  5 years ago
payne1967

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uk

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the person that built that turbulence should never be allowed to build a quality model ever again
please advise him to buy ready to fly models in future

as he has shares in loctite his models should never fall apart in the sky

and the V head is the sdx50 the IV is the d3
they both use the same spindle
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04-10-2014 12:19 AM  5 years ago
TMoore

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Cookeville, TN

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The clamp rings need to come off too.
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04-10-2014 03:11 AM  5 years ago
feudallordcult

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Singapore

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update: i brought the rotorhead to my office today. attached the rotorhead to a vice, applied corrosion x generously onto the shaft and tried knocking. not a chance BUT we had so much fun hammering and ruining a mallet in the process. strange why clamp rings are needed. anyway, much as i hate to 'desecrate' this fine machine, I will prob buy a rjx 10m fbl head and be done with it.

Many thanks to all who rendered advice, feudallord is VERY grateful.
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04-10-2014 05:30 PM  5 years ago
payne1967

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uk

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you need to hit it with a solid hammer not a mallet
if there is a confusion here by our terms, in the uk
a mallet is soft faced/headed tool
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04-11-2014 08:04 AM  5 years ago
feudallordcult

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Singapore

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hiya payne, no mistake or confusion. i had delibrately used a mallet cos I was worried about damaging certain components. however since i'm gg to torch the entire rotorhead and prob destroy it, i'll just use a hammer later.
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04-11-2014 08:57 AM  5 years ago
gouki

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philippines

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better to use a press like mike says. you will most probably need to replace the center pin as well after. the newer center pins are stronger and does not cut into the feathering spindle like the first ones
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04-25-2014 06:52 AM  5 years ago
feudallordcult

rrNovice

Singapore

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sorry for the endless queries
howdy folks, I have read somewhere that it is possible to use the fz5 yoke and centre hub to replace the d3 yoke. I will try to shim the blade grips to ensure there's no slop. think this will work? The sdx and d3 shares the same spindle hence my decision to try it out. anyone attempted this stunt before? any advice?
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Home✈️Aircraft🚁HelicopterHIROBOHirobo Turbulence › I finally have a Hirobo and its a Turbulence :-D
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