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Thread: R/C helicopters

  1. #121
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    Quote Originally Posted by pyro View Post

    Side note: These pivoting blades are made that way so they self-align during flight. I DO NOT recommend trying to notch the blades back to allow them to swing back further during a crash, as some heli forum users have suggested. After studying my modified, dinged, and broken blades and grips, I'm convinced that this will actually increase stress on the grips during a blade strike, NOT decrease it, due to the struck blade allowing the grip to continue rotating a few more degrees before the notch on the blade catches up and brings it to a violent stop. A shorter-swinging blade, as it's designed, will bring the blade grip to a stop upon impact with more of a rigid "lever" effect, with less secondary "snap" force against the edge of the grips.
    I guess that was me. And I will notch my blades next time I have them off just to see. My tail rotor blades on my Trex will fold up. I had a very hard landing yesterday that broke the landing gear. The tail hit so hard it folded up the blades. You can't tell me that if they were more rigid it would have saved parts. The tail is gear driven on that one.

    Have you flown yours outside? Do you kmow that a "hammer head" is?

  2. #122
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    Here's my awesome Ecoman $10 heli . I bought this thing over a year ago and have used it (and crashed it) many, many times and it has yet to break. It flies really well too, amazing that it was only $10.



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  3. #123
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    Dam pyro i thought i was rough on mine

    Mines starting the toilet bowl hovering crap so im gonna put a new fly bar on it.

    Mine has only broke from rookie pilots, when the cash didnt come out of their pockets they tend to care less about it
    Quartershot T-3R 15" 3.5L E-Tec 1.62 Sportmaster


  4. #124
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    Be careful Greg... You might get hooked..

    Here is a landing gear break... I had totally reset my radio and never set the pitch curve, so it was linear.... Very, VERY twitchy at hover as far as positive to negative go on the collective. Resulted in a mild crash. I placed the handle of the awl in the break.



    Fixed.. Notice canopy damage. That was from a heads in inverted crash.



    Forkin’ Crazy’s grave yard….


  5. #125
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    Quote Originally Posted by baja200merk View Post
    Dam pyro i thought i was rough on mine

    Mines starting the toilet bowl hovering crap so im gonna put a new fly bar on it.
    I just bent mine straight. Use to use silicon spray on the head on my old CX2. As well as my mSR, etc. It helps IMO!

  6. #126
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    Quote Originally Posted by Forkin' Crazy View Post
    I just bent mine straight. Use to use silicon spray on the head on my old CX2. As well as my mSR, etc. It helps IMO!
    Will do thanks

    how much for one of them nifty piston holders
    Quartershot T-3R 15" 3.5L E-Tec 1.62 Sportmaster


  7. #127
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    Quote Originally Posted by gary slagle View Post
    check out banana hobby ,they sell a micro mountable camera system
    Got a link? Lots of results there for "micro", NONE for "camera" or "video." WTF?
    '89 Hydrostream Vegas XT, '90 Merc 2.4 Bridgeport PCU EFI
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  8. #128
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    Quote Originally Posted by baja200merk View Post
    Will do thanks

    how much for one of them nifty piston holders
    I copied that right off JSRE website... So it'll cost you plenty!

  9. #129
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    Thumbs up Wow!

    <object width="853" height="505"><param name="movie" value="http://www.youtube.com/v/l5iBHTH2Z6k&hl=en_US&fs=1&"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/l5iBHTH2Z6k&hl=en_US&fs=1&" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="853" height="505"></embed></object>

  10. #130
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    Quote Originally Posted by baja200merk View Post
    Mines starting the toilet bowl hovering crap so im gonna put a new fly bar on it.
    You should be steering that out by now. (Kevin's talking about the hole wear on the pivot point of the flybar. It results in sloppy linkages between the servos and the blades themselves. Mine is also getting worn, even with lubing it.)

    Quote Originally Posted by Forkin' Crazy View Post
    You can't tell me that if they were more rigid it would have saved parts. The tail is gear driven on that one.
    Have you flown yours outside? Do you know what a "hammer head" is?
    Wouldn't have saved parts in THAT case (large bird with gear drive tail)

    On the mSR, I'm convinced that notched leading edges (or excessively pivoting blades) reduces blade damage during a rotor strike, BUT transfers the stress to the grips instead, with a twisting force that rips the screws out sideways. Pull back against a notched blade and think about where the stress forces will act. Notching makes the blade come to less of an "instant" stop, by allowing the hub to continue rotating at full force for a split second before the blade brings it to a snap-action stop. It looks like it would make the stresses on the grips and the blade mounting screws more severe.

    I broke my first set of grips 5 minutes after the blade-notching experiment.

    I flew outside once, knew there was too much wind, did it anyway.
    One over-banked turn, slammed into the driveway sideways.
    Second launch, wind picked it up and carried it nose-up 50 feet, so I panicked and cut it.
    Came down like a feather and hit the frozen snow. I went back inside.

    I really need to borrow the high school gym for a while.

    OK, I give up, what's a hammerhead?
    '89 Hydrostream Vegas XT, '90 Merc 2.4 Bridgeport PCU EFI
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  11. #131
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    http://www.bananahobby.com/1141.html.sorry, turned computer off after posting sat evening, camera is listed in the r/c helicopter parts section.also check out the walkera 4g3, seems to have some upgraded metal gear.
    LTB OLDGUY

  12. #132
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  13. #133
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    If anyone's looking for a small little camera that would fit on an RC/ heli, and actually takes decent video....there are lots of guys on the RC heli forums using this. I ordered one yesterday from ebay...$12

    http://shop.ebay.com/?_from=R40&_trk...y+chain+camera


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    Ian

    ...boatless for now.

  14. #134
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    Obviously those cameras are made for the mid- and larger-sized heli's, not the pocket micro's... Very cool though.
    '89 Hydrostream Vegas XT, '90 Merc 2.4 Bridgeport PCU EFI
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  15. #135
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    Quote Originally Posted by pyro View Post
    You should be steering that out by now. (Kevin's talking about the hole wear on the pivot point of the flybar. It results in sloppy linkages between the servos and the blades themselves. Mine is also getting worn, even with lubing it.)
    I can steer it out no problem, letting others (first timers) fly it has cost me 2 tail motors cause it wont hover like it used to

    my blade grips look like new they must still be in one piece because i bought a spare set after being told they were the weak link

    on my way to brooklyn hobbies right not
    Last edited by baja200merk; 01-03-2010 at 12:35 PM.
    Quartershot T-3R 15" 3.5L E-Tec 1.62 Sportmaster


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