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Fast Lad Performance . Ace Hobby . Esprit Model

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e-Zoom, Shogun, Dolphin > What's the problem? Solved!!!
 
 
Blue
Heliman
Location: Ft. Campbell, KY

My Posts This: Topic  Forum		i went out to try and get her off the ground a few minutes ago. was a no-go. it had full positive pitch and didn't budge. got a little light on the skids, but never left the ground. what could the problem be?

I will someday rule the world!!! Muahahaha!!! Shogun/ 3DX400 V2
03-03-2006 Over year old.
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Klinger
Senior Heliman
Location: Brisbane Australia

My Posts This: Topic  Forum		I'm guessing you have enough pitch programmed...say 8-10 degrees. I'd think the headspeed is too slow, do you know what it is? I had a similar problem and it was a problem with the transmitter throttle settings. Looking back on threads i see your running a cc25, have you got this set for fixed throttle mode?
03-03-2006 Over year old.
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Blue
Heliman
Location: Ft. Campbell, KY

My Posts This: Topic  Forum		actually i have a CC pixie 20, i have a CC 25 and brushless motor on the way. but right now its the brushed stuff. i had it on auto calibrate. should it be on fixed throttle?

I will someday rule the world!!! Muahahaha!!! Shogun/ 3DX400 V2
03-03-2006 Over year old.
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trains35
Senior Heliman
Location: QUEENSLAND AUSTRALIA

My Posts This: Topic  Forum		Hi blue
What heli have you got .
Is it the 1 or 2 .
I have the zoom 400 with belt drive tail and with the stock 400 brushed motor it will not lift but ones I put a brush less in it flies great .

Regards

Andrew
03-03-2006 Over year old.
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Klinger
Senior Heliman
Location: Brisbane Australia

My Posts This: Topic  Forum		I heard auto-calibrate dosent work properly sometimes so maybe try fixed throttle mode and see if that helps. Otherwise go brushless.
03-03-2006 Over year old.
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Blue
Heliman
Location: Ft. Campbell, KY

My Posts This: Topic  Forum		i changed it to fixed throttle and still a no-go. i don't see why i should have to go brushless to get it off the ground. granted, i have a brushless motor and CC25 on the way, but i shouldn't have to have that to get off the ground. the stock motor should be able to at least get it up in the air.

I will someday rule the world!!! Muahahaha!!! Shogun/ 3DX400 V2
03-03-2006 Over year old.
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HeliBillAZ
Heliman
Location: Sierra Vista, Arizona USA

My Posts This: Topic  Forum		Blue,
Have you broken the brushed motor in? And second, what is your current air temp? The warmer/hotter it gets (110) the harder for the heli to lift off.
Bill.

Did Anyone See Where My Bird Went?
03-03-2006 Over year old.
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Blue
Heliman
Location: Ft. Campbell, KY

My Posts This: Topic  Forum		motor has been broken in and avg. temp right now is around 80-85 during mid-day. it seems like the blades aren't turning nearly fast enough though. granted, i've never flown one or watched someone flyone except in videos, but it seems like they should spin faster than they are.

I will someday rule the world!!! Muahahaha!!! Shogun/ 3DX400 V2
03-03-2006 Over year old.
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Klinger
Senior Heliman
Location: Brisbane Australia

My Posts This: Topic  Forum		One trick i've heard of but not used is to plug a servo into your throttle channel and see if it throws the same amount both ways. This would rule out a tx setting thats wrong. Otherwise is there any load induced by the tail belt, what motor pinion size are you using? Could just be a stuffed motor. Can you check your battery is holding 11v whilst you run it up to speed?
03-03-2006 Over year old.
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smokin
Senior Heliman
Location: Glenwood, Iowa - USA

My Posts This: Topic  Forum		Blue,

If your motor is good, there is no power train binding and your battery is good your Shogun should definitely fly on the stock motor. We have a guy in our club flying a stock motor with no problem.

First thing, make sure your Throttle and pitch curves are OK. I think with the stock motor the default 0,50,100 on both will be OK for starters. Next, make sure you are at 0 degrees collective pitch with your stick at midpoint. This is very important--too much collective pitch too early in the curve and your motor won't have enough power to obtain adequate head speed. Hovering should take place at around 2-3 degrees of collective pitch and an absolute minimum of around 1,800 RPM. Try to hover. If she still won't lift off (at around 60-70% of stick travel), try increasing the center setting on the Throttle curve to 0,60,100 (Throttle will advance earlier). If that doesn't cut it, decrease the center setting on the Pitch curve to 0,40,100 (collective will advance later). Keep tinkering with these two settings until you get her hovering at just above center stick.
03-03-2006 Over year old.
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Blue
Heliman
Location: Ft. Campbell, KY

My Posts This: Topic  Forum		if hovering occurs at about 2-3 deg. pitch, then i think that's the problem. i think i may have too much pitch too early. i tried increasing the throttle curve mid setting but i also increased the mid pitch curve setting. i bet that's the problem. i'm at work now or i would go try it out with a lower mid stick pitch setting. don't you hate when work gets in the way. now i'm going to be sitting here all night, just itching to get out of here and go try it again.

I will someday rule the world!!! Muahahaha!!! Shogun/ 3DX400 V2
03-03-2006 Over year old.
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PacketStorm
Senior Heliman
Location: Atlanta, GA - USA

My Posts This: Topic  Forum
Quote 
now i'm going to be sitting here all night, just itching to get out of here and go try it again


Ahhhhh....the signs of a true heli addict

You fly...you crash...it's life
03-04-2006 Over year old.
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Blue
Heliman
Location: Ft. Campbell, KY

My Posts This: Topic  Forum		yeah, i've been addicted since i got the heli and all the parts. i looked at it all and thought "this stuff is supposed to fly? sweet!!!"

I will someday rule the world!!! Muahahaha!!! Shogun/ 3DX400 V2
03-04-2006 Over year old.
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Blue
Heliman
Location: Ft. Campbell, KY

My Posts This: Topic  Forum		WOOHOOOOO!!!! she got off the ground!!!! 40% mid pitch and 60% mid throttle. just had one minor problem. the tail rotor bumped a small mound of dirt and ripped the tail gears and the gear at the pinion to shreds. about an hour after that my roomie came back from the TOC and said i had a package up there. so, i hopped a bus, rode up there and what should it be other than a belt conversion kit! talk about just in time. so i have spent the entire day tearing apart my heli and i just got it all back together so i haven't gotten a chance to get her up again. i'll let ya'll know soon as i do.

btw smokin, that arrow shaft you sent me looks pretty cool for the boom. i used it instead of knocking out the bearings in the stock boom.

I will someday rule the world!!! Muahahaha!!! Shogun/ 3DX400 V2
03-04-2006 Over year old.
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rcnut2
Heliman
Location: Canada

My Posts This: Topic  Forum		Blue;

Tough luck about the tail parts, but great that the belt kit showed up in a timely manner. If you haven't already been doing so, I highly recommend that as a beginner, you should attach some light weight training gear under your skids while you perfect your hover and control. This will prevent the heli from tipping over on a bad set-down or hopefully coming into contact with inanimate objects. Also, at the beginning, try not to hover too high off the ground. Six inches is adequate during the learning stages, and if it tends to drift away or come close to objects, instead of fighting it to bring it back, set it down and pick it up to place it back. I would also not recommend that you practice as a newbie in areas no smaller than a 25'x25' garage. Unfortunately where you're at, there is probably a lot of sand, only guessing from the fantastic sand storm picture, hovering 6" off the ground is going to get sand in your drive train and am not sure what that's going to do to the bearings, gears, ball links, etc. You're going to have to keep good maintenance on the moving parts.

Good Luck and happy flying!
03-04-2006 Over year old.
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Blue
Heliman
Location: Ft. Campbell, KY

My Posts This: Topic  Forum		yeah, i have training gear on my heli. was afraid of tipping or something. actually most of the time the sand isn't too bad here. they have covered most of it with gravel here on the post. although when the wind is blowing, it can get pretty bad.

i have a couple new question. 1)when spooling up, does the tail try to spin till you get going like the sim does or is that something i have to fix? 2)everytime i try to get it completely off the ground, once it's up it starts trying to spin and i just set it back down to keep from killing it. i've tried adjusting the mechanical pitch on the tail rotor, but it still tries to spin. i'm afraid if i adjust it mechanically too much that when i do get it in the air, i'll have no more room to push the stick to yaw because the slider runs out of room. so question is how do i stop it from spinning?

I will someday rule the world!!! Muahahaha!!! Shogun/ 3DX400 V2
03-04-2006 Over year old.
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PEY
Heliman
Location: MALLORCA

My Posts This: Topic  Forum		HI BLUE
The Shogun needs a good headspeed to get the tail rotor running fast enough to be effective.HEADSPEED to low and it will start spinning with very litlle control on the tail. Maybe that helps. Something that really helped me was a GY401"ROCK SOLID"
03-04-2006 Over year old.
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HeliBillAZ
Heliman
Location: Sierra Vista, Arizona USA

My Posts This: Topic  Forum		Blue,
Often the situation you are describing is caused by either a mechanical misadjustment of the tail gear or servo, or if the tail slide is not smooth enough.
Having said that, there are some gyros that have a problem holding heading; but the heli spinning at or just after lift off is caused by the above.
Bill.

Did Anyone See Where My Bird Went?
03-04-2006 Over year old.
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smokin
Senior Heliman
Location: Glenwood, Iowa - USA

My Posts This: Topic  Forum		Blue,

Glad you're seeing some results. This is when it can start to get really frustrating. The tail is probably the hardest thing to get right, but once you get it right it should be rock solid.

Here we go:

Initially I like to connect the tail servo directly to the Rudder output of the RX. Power up momentarily to get the tail servo centered. Before you do, make sure you have the Rudder trim on the TX set to zero and have no sub trim dialed in. Ensure the tail servo control arm is straight up and down, and that the pitch lever on the tail gear box is 90 degrees to the tail boom.

At this point rotate your tail rotor so the blades are perpendicular to the ground. Look straight down at the blades and verify that you have about 8 degrees of pitch. In other words, from above the blades should form a shallow X. This is a good starting point. Now power down and reconnect the tail servo through the gyro and the gyro to the Rudder output of the RX.

When you have the heli on the ground and power on, after the gyro boots up verify whether your tail servo and/or gyro are oriented correctly and whether you are in heading hold or yaw rate.

First move the stick to the right. The tail rotor pitch should increase. If it decreases then your tail servo needs to be reversed.

Next, move the Rudder stick full deflection one way or the other and hold momentarily. Release the stick back to center. Did the tail servo move all the way back to center or only part way? If it moved only part way that's good, you're in heading hold. If it moved back to center you need to get into the TX setup and reverse the GER switch and try again. You should be in HH mode now, do the above check again to confirm.

Finally, in HH hold mode, pick up the heli and swing the tail to the right. The tail servo should move to increase tail rotor pitch. Move the tail left and it should decrease the tail pitch. If it's doing the opposite you have to reverse your gyro, check your gyro manual on how to do this. If all this checks out so far you should be in pretty good shape.
03-04-2006 Over year old.
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Blue
Heliman
Location: Ft. Campbell, KY

My Posts This: Topic  Forum		Hirobo Eric sent me 2 dvd's on setting up the shogun. it had that stuff about the gyro and which way it should move. was actually a very good video. it helped alot. but my gyro is working right and the tail rotor is deflecting the right way as i move the boom left and right. i just wasn't sure on how much pitch the tail rotor should have in order to hold the heli straight. should I try to hover in HH or yaw rate? and i'm at work again, so yet again, i have to wait till morning (iraq time that is) to try it again.

I will someday rule the world!!! Muahahaha!!! Shogun/ 3DX400 V2
03-04-2006 Over year old.
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2 pages [ <<    <    ( 1 )     2     NEXT    >> ]1978 viewsPOST REPLY
Thunder Power RC . Mikado Modellhubschrauber . Futaba-RC

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e-Zoom, Shogun, Dolphin > What's the problem? Solved!!!
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