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Home✈️Aircraft🚁HelicopterHIROBOHirobo Freya › With the boom, ssz-2 head
01-24-2016 05:48 PM  3 years ago
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Jerman

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Longview, TX

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With the boom, ssz-2 head
Put this on just to get a rough idea of the look. I have the aluminum struts and skids to add if I want. It just will lower the helicopter some. Not sure yet if I'll do it, would look sharp though. I have built this thing from the ground up but I have really enjoyed doing it.

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01-24-2016 09:15 PM  3 years ago
dschertz

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Jackson, MI

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Just a thought, combine all your posts being it's the same heli. Easier to follow.
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01-24-2016 09:41 PM  3 years ago
Jerman

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Longview, TX

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Yeah thanks I'll do that
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02-23-2016 03:11 AM  3 years ago
Jerman

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Longview, TX

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Worked over the weekend building and changing up a few things..enjoy

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02-23-2016 03:13 AM  3 years ago
Jerman

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Longview, TX

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Love me some Hirobo
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02-23-2016 02:45 PM  3 years ago
crflyer

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Maine

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Looking good Jerman!
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02-23-2016 06:39 PM  3 years ago
Jerman

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Longview, TX

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Thank you, I've had such a blast building the Eagle, I'll have more parts coming soon, I'll be trying to figure a good electric motor for this as well
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03-05-2016 10:16 PM  3 years ago
Jerman

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Longview, TX

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Can you guys tell me the advantages and disadvantages of shaft driven and belt driven tail, as well as the second gear driven tail version that was later released for the Eagle 2, thanks!
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03-05-2016 11:16 PM  3 years ago
fastrc1

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Planet Brooklyn, NY-USA

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Belts are easy maintenance and inspection. If you have minor contact with terra firma you'd most likely skip some teeth and it will probably keep on groovin. There's also a minimum of parts involved in the drive train. With a shaft you have to worry about disengagement and bearings and extra gears in the front and back and if you have that same faux pas with the tail you'll likely tear up the gears and probably splinter a carbon shaft or mangle a steel or aluminum one. It must be removed for inspection and lubrication if you choose to use one. Good thing is that you'll never have to worry about putting an improper twist in the tube lolol and there's generally no slippage unless it;s not properly engaged. Belt has to be tensioned properly and it can and will change when the temperature varies from warm to cool to hot etc etc. Belt is cheaper to run as well. All but one of my Hirobo ships are Belt driven

Eaton
RIP Roman Pirozek Jr.
Team Futaba USA
Team Kontronik USA
http://flysrw.com
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03-06-2016 12:10 AM  3 years ago
Jerman

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Longview, TX

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Yeah I just may continue with using a belt due to easy maintenance and low parts count, thanks
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03-06-2016 12:25 AM  3 years ago
F3CWNB

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Napier, New Zealand

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I think that the tube drive is the purest way of doing it; but I would be just as happy with the simplistically, cost and weight saving of a belt. I have both belts & tubes on my machines...'Life' is Looking Up!!!
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03-06-2016 02:59 AM  3 years ago
Jerman

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Longview, TX

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Yeah my past helis have all been a belt, I'm very curious to try doing the shaft style, it seems setting it up could possibly be easier as opposed to adjusting the tension with a belt from time to time. I'm at a point on my build that I could go in either direction. Which do you prefer on your machines?
The weather here in Texas has been beautiful lately and I'm wanting to get it done by this spring. I'm awaiting on parts so we'll see. Thanks
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03-06-2016 03:15 AM  3 years ago
F3CWNB

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Napier, New Zealand

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At the end of the day, I just go with what parts I have at the time.
Eagle3WC - Shaft
Eagle3WC - Shaft
Eagle2WC - Shaft
Eagle2EX - Shaft
Eagle297 - Belt
Freya RF/EC - Belt
Xspec - Belt
Eagle'91EX - Belt
Eagle'91 - will probably have a belt

If I was buying a new kit and had the choice... if I bought it as a "top of the line - sit on the shelf and look at it" Heli, It would be shaft; If it was to be a daily flyer I would go belt...
'Life' is Looking Up!!!
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03-06-2016 03:18 AM  3 years ago
fastrc1

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Planet Brooklyn, NY-USA

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My initial choices for drive trains if given a choice is a belt. Unfortunately Hirobo doesn't have a pre tensioner like say a Diabolo. But I set mine to mid tension and if it gets cold I still have good engagement. If it warms up the belt naturally tightens. Try the belt first if you please and see.

Eaton
RIP Roman Pirozek Jr.
Team Futaba USA
Team Kontronik USA
http://flysrw.com
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03-06-2016 03:26 AM  3 years ago
Jerman

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Longview, TX

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Great feedback guys, looks like I'll build it as a belt driven bird. One thing I just love about the Eagle is just all the options you have and all the different parts to work with.
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03-06-2016 03:30 AM  3 years ago
JLF92677

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Southern California

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Agree with Colin, carbon shaft drive is the way to go. The one challenge you will have if you are using DTDS is finding the front gear drive HB-0414-155 which is discontinued and nowhere to be found even at RCJAPAN. If you are using the single main gear limited slip you should have no problem getting the fron gear drive HB-0404-644. If you can't find one I have a used one that I am willing to depart from.
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03-06-2016 03:33 AM  3 years ago
Jerman

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Longview, TX

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Hey thanks, I'll let you know
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03-08-2016 02:30 AM  3 years ago
Dr.Ben

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Richmond, VA, USA

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Eaton,

How does a belt get tighter in warm weather and looser in the cold?

Ben Minor
Peak Aircraft/Team Minicopter Team Futaba Team Kontronik USA
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03-08-2016 02:54 AM  3 years ago
fastrc1

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Planet Brooklyn, NY-USA

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Seems to be my experience unless I'm hallucinating that when I tension my belts in the winter and then go flying in the warmer months they're tighter. Without adjustment; when the weather turns colder they seem to be a bit slacker.RIP Roman Pirozek Jr.
Team Futaba USA
Team Kontronik USA
http://flysrw.com
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03-08-2016 12:02 PM  3 years ago
F3CWNB

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Napier, New Zealand

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Because the Aluminum boom grows with the warmer weather...'Life' is Looking Up!!!
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