RE: Hirobo XRB PICS!!! and build info.  
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    • All Forums >> RC Helicopters >> Electric RC Helis >> RE: Hirobo XRB PICS!!! and build info.
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    RE: Hirobo XRB PICS!!! and build info. - 12/8/2005 7:28:55 PM   
    bdavison


     

    Posts: 3318
    Joined: 8/23/2004
    From: Warner Robins, GA, USA
    Status: offline     		Flypaper, got any pics of this mod?



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    (in reply to Flypaper 2)
           Post #: 176

    RE: Hirobo XRB PICS!!! and build info. - 12/8/2005 11:09:23 PM   
    Flypaper 2



    Posts: 4242
    Joined: 3/29/2002
    From: Kingston, ON, CANADA
    Status: offline     		Not sure my camera will do closups but will give it a shot.

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    Gord
    Dreamed I was a muffler. Woke up exhausted.

    (in reply to bdavison)
           Post #: 177

    RE: Hirobo XRB PICS!!! and build info. - 12/11/2005 2:42:31 AM   
    270win


     

    Posts: 858
    Joined: 1/12/2005
    From: Lawrenceville, GA, USA
    Status: offline     		So has anyone had to replace a motor in the XRB. BTW- I bought mine for $200 from a friend. I LOVE IT! But I'm having two problems recently. One is that I'm hearing a whining noise in flight. It increases with rudder input, it's not constant but it's there, anyone got any ideas what it is? I'm thinking that a motor is starting to go.

    The other thing is that I'm only getting 5 minutes per flight now... I think the battery is starting to go. This thing has well over 150 flights on it by me, and my friend had it for about two months and flew it quite a bit too....

    Any ideas? Is there a bigger battery that will work in the XRB?

    270win

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    \o/ Galatians 2:20 \o/

    (in reply to bdavison)
           Post #: 178

    RE: Hirobo XRB PICS!!! and build info. - 12/11/2005 6:49:49 PM   
    arcticflyer


     

    Posts: 111
    Joined: 11/17/2005
    From: Tuktoyaktuk, NT, CANADA
    Status: offline     		I purchased an XRB after reading all the good stuff the guys on this thread said about it. I live 300 miles north of the arctic circle so indoor flight is about my only option due to wind and extreme cold. I am new to heli's with some airplane experience. The XRB is great! I have crashed hard twice which was my fault not the models. Replace the blades and keep going!
    I have experiences two problems though. 1) When I took the model to the gym the other day I tried some extended forward flight and found that I had to hold full right to keep it going in a straight line. 2) I am having a problem holding a consistent hover above ground effect. The model wants to continue up or go back to ground effect no matter what the throttle setting. The continuing up caused one of my crashes into the ceiling when the blades hit the smoke detector. Thanks for any help! Skip

    (in reply to 270win)
           Post #: 179

    RE: Hirobo XRB PICS!!! and build info. - 12/11/2005 9:22:07 PM   
    carlrich


     

    Posts: 163
    Joined: 1/24/2005
    From: cincinnati, OH, USA
    Status: offline     		I never could fix the Hirobo's desire to go at a 45 angle to the direction I wanted. I sold it and bought an Eflite Blade. It is MUCH more difficult to fly as the response is immediate and control throw must be much higher. It's taking some time.

    Carl

    (in reply to arcticflyer)
           Post #: 180

    RE: Hirobo XRB PICS!!! and build info. - 12/12/2005 12:21:42 AM   
    Flypaper 2



    Posts: 4242
    Joined: 3/29/2002
    From: Kingston, ON, CANADA
    Status: offline     		270win:
    Mine always had a whine to it. The reason you hear it change with rudder is, one blade speeds up and the other slows down in order to turn it. My original batt. is dying to. I don't think they're all that good quality. I also have a Kokam 640 ma. that's close to the same size and runs for 15 mins.
    Arctic: I've broken the blades right off and glued them together with hot glue no problems. Also bought a roll of Hockey tape for the blade leading edges from root to tip. really strengthens them up. It's vinyl tape very sticky. I've found it takes a lot of throttle jockeying too but I got used to it after a while. Also when the batt. gets down a bit throttle is more sensitive. Just try to keep ahead of it. That fix I did above with the slot helps the cross control a lot but doesn't take it out all together.

    _____________________________

    Gord
    Dreamed I was a muffler. Woke up exhausted.

    (in reply to carlrich)
           Post #: 181

    RE: Hirobo XRB PICS!!! and build info. - 12/12/2005 5:35:27 AM   
    arcticflyer


     

    Posts: 111
    Joined: 11/17/2005
    From: Tuktoyaktuk, NT, CANADA
    Status: offline     		Thanks Carl and Flypaper,
    I might try your mod on the plate when I get tired of hovering and the basics. I really am not ready for fast forward flight but get brave and stupid on occasion especially in a large area like the gym. I never noticed the problem until the wide open spaces of the gym. From reading this entire thread as well as a thread on another site I think this is something that is characteristic of this design. I guess when I get ready for fast forward it will be time for a second heli and radio.

    (in reply to Flypaper 2)
           Post #: 182

    RE: Hirobo XRB PICS!!! and build info. - 12/12/2005 5:48:57 AM   
    Wildjones


     

    Posts: 34
    Joined: 3/14/2005
    From: Morghan Hill, CA, USA
    Status: offline     		Hey thanks all of you guys for the great info and the great pictures and info bdavison! Will really help when i can get my hands on one of these which will hopefully be christmas...Cant wait ; )
    This post im sure has helped more than a few people out =)

    (in reply to prowler1k)
           Post #: 183

    RE: Hirobo XRB PICS!!! and build info. - 12/12/2005 4:58:02 PM   
    bdavison


     

    Posts: 3318
    Joined: 8/23/2004
    From: Warner Robins, GA, USA
    Status: offline     		Guys, check this out....!!!!
    The new Hirobo XRB Bell 222 due out in 2006

    Im gonna order one of these as soon as I can...That fuselage is georgeous.

    Oh, and I am currently working on a modification of the BladeCX blades for the XRB. Plastic blades are gonna be nice. Ill post pics and a How-to section in here once I do testing to make sure it works correctly. I dont want to post it up here until I know there aren't any problems with it.

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    (in reply to Wildjones)
           Post #: 184

    RE: Hirobo XRB PICS!!! and build info. - 12/12/2005 5:41:00 PM   
    thecheatscalc



    Posts: 1228
    Joined: 8/13/2005
    From: fayetteville, GA, USA
    Status: offline     		is it just me, or does that co-axial look a little large?

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    (in reply to bdavison)
           Post #: 185

    RE: Hirobo XRB PICS!!! and build info. - 12/12/2005 8:43:15 PM   
    bdavison


     

    Posts: 3318
    Joined: 8/23/2004
    From: Warner Robins, GA, USA
    Status: offline     		I think its about the same size, maybe a little longer.

    Here's another one coming.


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    (in reply to thecheatscalc)
           Post #: 186

    RE: Hirobo XRB PICS!!! and build info. - 12/12/2005 11:06:40 PM   
    Wildjones


     

    Posts: 34
    Joined: 3/14/2005
    From: Morghan Hill, CA, USA
    Status: offline     		When in 2006 is it due out? Now maybe I should wait =P

    (in reply to bdavison)
           Post #: 187

    RE: Hirobo XRB PICS!!! and build info. - 12/12/2005 11:58:38 PM   
    bdavison


     

    Posts: 3318
    Joined: 8/23/2004
    From: Warner Robins, GA, USA
    Status: offline     		Dont know, I cant find much info on it. They demo'd it at the Korean Hobby Fair.
    Very few people even know about it, and even fewer know when its coming out. All I know is its scheduled for 2006.



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    (in reply to Wildjones)
           Post #: 188

    RE: Hirobo XRB PICS!!! and build info. - 12/13/2005 2:54:15 AM   
    arcticflyer


     

    Posts: 111
    Joined: 11/17/2005
    From: Tuktoyaktuk, NT, CANADA
    Status: offline     		HELP!
    Had a bad crash several days ago. Hit the smoke detector on the ceiling and my XRB came down pretty hard from eight feet. I didn't chop the throttle soon enough and it spun on the floor for a second. Replaced the blades and flew again but noticed a vibration I didn't have before. I also noticed that in a hover now it moves like a top that is starting to slow down, kind of wobbling in hover. Hope that paints a picture of my problem.
    I ordered a new main shaft thinking that it might be slightly bent just above where it comes out of the carbon shaft. But I can not tell for sure with the eye. Inspection of the flybar looks ok but who knows. I do know that one of the round holes that hold the flybar is cracked so the main shaft must be replaced anyway.
    I said all of that to say this. How do you get the upper rotor head off of the main shaft? The directions in the book do not show this!

    (in reply to bdavison)
           Post #: 189

    RE: Hirobo XRB PICS!!! and build info. - 12/13/2005 7:33:05 AM   
    cvnhank


     

    Posts: 28
    Joined: 11/25/2005
    From: La Crescenta, CA, USA
    Status: offline     		arcticflyer,
    I crashed my XRB really hard against my door jam. My copter displayed similar problems. I replaced the blades, reset the pitch of the upper blades, and then retracked the upper blades. That did the trick for me. Hope that helps. Hank

    (in reply to arcticflyer)
           Post #: 190

    RE: Hirobo XRB PICS!!! and build info. - 12/13/2005 7:41:40 AM   
    cvnhank


     

    Posts: 28
    Joined: 11/25/2005
    From: La Crescenta, CA, USA
    Status: offline