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HelicopterHIROBOOther › freya help?!?!?
01-15-2003 01:33 PM  15 years agoPost 1
jwb

rrApprentice

North Ga

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Has anybody had a problem with the elevator rods lining up with the servo? If I make them parallel with each other and at 90 degrees to the servo, one will connect farther away from the center of the servo than the other. Also, the top one hits the mounting post for the canopy. Yes the post is in the correct hole on the frame and the servo is installed like the instructions say. Facing the correct way, too. Have I just overlooked something?

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01-15-2003 01:55 PM  15 years agoPost 2
z11355

rrMaster

New England

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I've built a number of Freyas and
it should work. The rods must
be *exactly* the same size and
the angles must be accurate. Worst
case is maybe a turn or two on the links.

If you get one or more of them wrong,
you will see that the rods and servo
balls will not line up (like what you're
seeing).

If you use the Hirobo ball link ends and
their recommendation for ball placement
on the wheel, the ball end will clear but
by VERY little. Other links like Rocket
City will jam up.

Are you sure you installled the X-levers
correctly (and not upside down)?

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01-15-2003 02:01 PM  15 years agoPost 3
jwb

rrApprentice

North Ga

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I installed the X-levers like it says with the wider end on top and "L" and "R" letters upside down. That is correct, right?

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01-15-2003 02:09 PM  15 years agoPost 4
z11355

rrMaster

New England

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that is correct (I'm now looking at the
manual).

As it shows, if you use anything MORE
than 11.5mm distance onthe servo wheel
from the center to the balls, you will
hit the standoff. I dont think even
12mm will cut the mustard.

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01-15-2003 03:07 PM  15 years agoPost 5
jwb

rrApprentice

North Ga

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But then they won't be parallel or at 90 degrees. Is that a big deal, or could I just be missing something maybe?

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01-15-2003 03:09 PM  15 years agoPost 6
z11355

rrMaster

New England

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that is true. they will not be parallel.

It's OK. They do need to be the same length. The OTHER set of rods (that
connect the X lever to the T lever, will
form a rectangle

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01-15-2003 04:20 PM  15 years agoPost 7
darrenjet

rrApprentice

Springdale, AR - USA

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The only way to get them 90 degrees is to drill your own holes in a blank servo wheel. If you do that acurately, you will eliminate any binding, but you'll probably need a jig to do it properly. If they don't come into the servo at 90 degrees, you will have some degree of binding.

It may be considered a small issue by most people, but I like to drill my own wheels - a servo with any binding will drain the battery faster than one without. I use the servo drill jig that Rick's R/C sells. Works pretty well for 10USD.

Futaba includes blank wheels with most of their servos. They are a little on the thin side, but they work. I really wish all servo manufacturers would include sturdy, blank wheels with their servos.

Oh, and about the rods from the servo to the x-lever being parallel : They probably WON'T be parallel. The rods don't have to be parallel to come into the servo at 90 degrees in the neutral position.

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01-15-2003 04:42 PM  15 years agoPost 8
z11355

rrMaster

New England

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true but I think the original question
was one of 'those lower rods dont
form a rectangle' vs. the slight offset
required @ the servo wheel to get the
rod at exactly 90 to the ball/screw axis.

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01-15-2003 05:07 PM  15 years agoPost 9
darrenjet

rrApprentice

Springdale, AR - USA

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z11355,
Sorry, I guess I misunderstood the question. I edited my reply above, see last paragraph.

z11355 is correct about the rods not being parallel and needing to be the same length.

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01-15-2003 05:08 PM  15 years agoPost 10
jwb

rrApprentice

North Ga

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I think I see now. Thanks for the help!!!!

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HelicopterHIROBOOther › freya help?!?!?
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