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HomeAircraftHelicopterHIROBOHirobo Turbulence › Turbulence Carbon tail boom problem
11-02-2016 12:58 AM  25 months agoPost 1
gdesdigu

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China, France

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Hi guys I'm building a Turbulence D3 EX and I have a question for those of you who are using the carbon tail boom.

Is what shown in the picture correct to you or am I supposed to be able to fully join the two plastic halves? I was tightening the screws when I heard the carbon crack a little so I backed up a turn but I'm afraid of having the tail fly off...

As a result when mounting the tank support frame the ali stay was floating around between the frames just under the tail boom because I could not make the tail assembly join so could you guys tell me If I have missed something here?

Thanks a lot!

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11-02-2016 01:17 AM  25 months agoPost 2
TMoore

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Cookeville, TN

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I've never been a fan of the CF tailboom on the TD3's. I've got them here but they aren't made as precisely as the aluminum unit.

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11-02-2016 01:27 AM  25 months agoPost 3
gdesdigu

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China, France

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Well my clipper reads a difference in "diameter" of 0.2mm whereas the gap is around 2mm.
Is this also the case with the ali pipe? because all the other parts that go on around the pipe fit like a glove, a snug fit at most but nothing to justify the 2mm gap...

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11-02-2016 11:26 AM  25 months agoPost 4
NIKOS PAPISTAS

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KOZANI-GREECE

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I thing that he need the blue one to use the carbon boom.Like eagle 3 or freya with carbon frame....if this plastic that you tell its removed from the frame maybe you need to replace with the blue.

Hirobo SDX D3 Fbl - ALIGN T-REX 700 F3C V3 FL HEAD-ALIGN T-REX 500 DFC

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11-02-2016 02:52 PM  25 months agoPost 5
gdesdigu

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China, France

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I'm sorry Nikos I didn't understand, were you talking about the blue aluminium tank frame mount? In which case it is the part designed for the Turbulence D3 and should fit with no mods. The manual supplied with this part shows no extra shims or parts that goes between the frame and the said part.

The best way to know for sure would be to fly it as is and see if the belt tension changed mid flight but still, the gap is quite big...

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11-02-2016 11:34 PM  25 months agoPost 6
TMoore

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Cookeville, TN

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Y'all aren't using the Calipers correctly. Take the boom off and fit the boom mounts over the CF boom and measure across the flat areas. Do the same with the metal boom and you will have your answer as to which one will work.

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11-03-2016 01:18 AM  25 months agoPost 7
BillK

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CA

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Mr. Moore is correct on how to measure the difference.

Just in case you need the information on the aluminum boom, On my D3V2,I'm using the standard black aluminum boom. The boom width across the flats is about 0.873" (close to 7/8".

My boom clamps touch in the center and there is no visible gap. Hope this information helps. Bill

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11-03-2016 01:25 AM  25 months agoPost 8
gdesdigu

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China, France

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Thanks a lot guys for your help, I'll try this and let you guys know

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11-06-2016 07:02 AM  25 months agoPost 9
NIKOS PAPISTAS

rrApprentice

KOZANI-GREECE

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0414-202 hirobo code part.
Check this out.
This part he need if you change the tail boom from alloy to carbon into freya or eagle 3.I dont know for sure if also work for d3.

Hirobo SDX D3 Fbl - ALIGN T-REX 700 F3C V3 FL HEAD-ALIGN T-REX 500 DFC

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11-06-2016 04:18 PM  25 months agoPost 10
payne1967

rrElite Veteran

uk

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if you wish to have a carbon look to the tail could you not just get some carbon effect vinyl rap on the ali boom?

www.alcesterhelicopterclub.bmfa.org

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11-11-2016 12:17 AM  25 months agoPost 11
gdesdigu

rrNovice

China, France

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@Nikos No this part is not needed, the tail is inserted into two plastic halves that clamp it down.

@Payne I could but since I had to replace the boom I might as well try the carbon one.

The boom doesn't seem to budge to I'll leave it as it is and fly it. If the belt tension changes after a flight I'll tighten it a lil bit more.

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12-22-2016 04:40 PM  23 months agoPost 12
Bugcatcher

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Perth, Australia

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Hi guys, sorry haven't been checking up on Runryder for a while.

As some have mentioned the carbon boom is slightly larger but also the corners are not as sharp as the aluminum boom.

If you want to use the carbon boom with the D3 like I do. It is best to use some ShooGoo between the boom and the plastic clamps. Do not tighten it up as much as you would an aluminum boom. Just firm, sorry hard to describe. But the 2 halves will not meet in the middle, there will be a gap. Don't over tighten it otherwise it will crack.

I also recommend using ShooGoo under the boom support clamp and on the tail box, either the plastic or blue alloy. First time I used a carbon boom, what I found was due to the vibrations of the nitro, you can get some wear under the parts the mount to the carbon boom. Eventually get loose and fail. Since using the ShooGoo I have never had an issue. Awesome stuff and use it on a lot of places and just peels off when disassembly.

Hope that helps.

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12-26-2016 03:37 PM  23 months agoPost 13
gdesdigu

rrNovice

China, France

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Thanks a lot for the advice Bugcatcher, I've had a couple flights on the turbulence and for now everything seems to be ok, I just had to tighten the belt a little bit at the flying field due to the temperature change. I'll keep an eye on the wear around the tail box and brace clamp (both are the ali options) I hope they don't dig in the carbon. They are just tightened snug, except at the front where I heard a little crack but no signs of any split atm.
I had a problem with the start shaft and the plastic coupling ( https://rc.runryder.com/t814337p1/ ), waiting for the parts to arrive from RCJapan to put more flights on it.

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01-29-2017 07:04 AM  22 months agoPost 14
Bugcatcher

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Perth, Australia

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They will definitely dig into the carbon, especially being a nitro. Please re-check as soon as you can and suggest doing the Shoe-Goo mod asap. Basically everywhere something touches carbon.

The plastic mounts were digging into my carbon boom, so imagine what the metals ones will do.

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01-29-2017 08:55 AM  22 months agoPost 15
gdesdigu

rrNovice

China, France

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Thanks Bugcatcher, I've just re checked and everything is fine so far. I've been able to put a couple more flights in and no tail boom slippage nor signs of wear on the boom, especially in the ali brackets areas. Right now I'm still breaking in the engine and since it's a limited edition one I don't want to rush it so only gentle flights so far. Will see when I'll pound it more.

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