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Home✈️Aircraft🚁Helicoptere-MikadoLogo 480 › Logo 480 XXtreme questions
10-24-2014 12:25 AM  4 years ago
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navihawk

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Titusville, FL

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Logo 480 XXtreme questions
Hello eveyone. I just finished building my first logo helicopter. Little info about me. I have been flying rc helis for about 6 years, Flown nitro,electris, and everything from a nano cpx to trex 700. I have mostly flown align helis, 500 is my favorite size and i got a 480 cus its just the right spot between a 500 and a 550 heli. So enough of that. I have a few questions.

1) While flying the heli today i realized that when i switched from normall mode to idle up the motor didnt really seem to speed up. This was the second flight of the heli. It just seems like the power does not increase. I have my throttle curve set to 0-100 in normal and 85% idle up 1 and 90% idle up 2. Should i put them at 100% and let the esc governor handle it? Since i got the super combo with the YGE 90LV esc. I have not done anything programing wise to the esc. Do i have to plug in the battery with radio in idle up 2 mode and then go down to normall when its beeping so that it will keep idle up 2 settings? or how does it go into idle up 2 governor?

2) ****FIXED*****How tight should the belt be? I spin the head and it spins like 3 times or less and then it stops, and when it stops it does a drastic stop, like it locks. I have used tail belts before and i think i got the tension good, but the manual doesnt say anywhere how to set the belt tension.

3) ***FIXED*****i noticed before i flew the heli that if i spun the main gear to the right,opposite way the motor spins, it would spin smooth and the head would not turn, Now after the 2 flights, if i do the same and spin the main gear in the same direction the head also spins. Is my one way bearing bad already after 2 flights?
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10-24-2014 01:23 PM  4 years ago
Lu523

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Covington, Ga USA

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I see you have the super combo. You should look into setting up governor with the Vbar. That s what I did. The YGE itself can be set for governor mode.
http://heli.dacsa.net/MrMelSite/index.html
http://www.vstabi.info/en/v5_videos
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10-24-2014 02:40 PM  4 years ago
navihawk

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Titusville, FL

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I plan on eventually going with the vbar governor, but just wanted to test the esc one.
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10-24-2014 03:04 PM  4 years ago
cudaboy_71

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sacramento, ca, u.s.

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regarding your #1 issue, that's not how the governor works.

on a YGE you have to show it a few things first. you don't just set it to 100% and "let it work".

1. high and low stick (the governor needs to be shown the extents of travel it can use). set your TX endpoints to 0/100. power on the ESC at high stick...after a few tones, lower the stick and it will arm.

2. you need to enable gov store on the ESC.

unfortunately, my only experience with setting gov store on a YGE is by using the program card. you can do it by the TX sticks...I think. but, I don't know how.

gov store is where the ESC actually learns your max 100% throttle with the motor running. you MUST take off main and tail blades to do this. you'll be running up the motor to max rpm, which may be too much for the heli under load. Mr. Mel has a video you can work along with to make sure you're not missing a step.

once this gov store option is selected, you turn off the heli; turn it back on and immeditely spool up to 100% until the headspeed kinda 'hiccups' indicating the ESC has registered full speed. then you put your blades back on and head to the field with a tach. here is where you set your flat throttle curves to achieve governed headspeed. I'd suggest starting low and working UP to your desired headspeed. depending on your gearing you could go way overspeed if you start at 100.

YGE's gov is really, REALLY good. but, to be honest, if you don't have the program card or access to borrow one, it might just be easier to set up the vbar gov which is really, REALLY, REALLY good. if your YGE has the phase sensor wire (which i think all newer ESCs should have) you just plug that in to your vbar and enable gov and go through the two setup menus.
if it ain't broke, break it.
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10-24-2014 11:52 PM  4 years ago
navihawk

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Titusville, FL

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thanks for the help cudaboy. I will soon just upgrade the vbar to pro and use the vbar governor. Problem #2 is still back here is what is happening

The problem i am having is that before flying the heli the main gear turns reverse no problem without moving the blades. I go fly and when i land the gear is not kinda stuck to the main shaft. and there is an abrupt stop when the blade stops spinning, like its locking up. I put grease in teh one way bearing like the manual describes, the heli only has 5 flights, but its been doing it since the beggining, so i removed the grease and put high speed bearing oil, and still does it.

The other problem is that i just cant get enough movement in the head to make it fly hard 3d like i fly my trex 500 and other helis ive had. I set my pitch to 12* both ways and i had to move the ball links to the outer servo horn to be able to get the 8* cyclic throw on the setup menu. I had the elevator servo anti rotation pin/ball link hitting the anti rotation bracket so i had to reduce my throw with dual rates in the radio down quit a bit, still getting 12* pitch and i can go nose down pitch on the swashplate to go more than nose up before binding, has anyone had to dremel the bracket some to make more travel? i made sure that nothing binds when moved to extremes....i just dont know whats going on. thanks.
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10-25-2014 01:13 AM  4 years ago
Lu523

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Covington, Ga USA

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What is your aglity setting? That may help get the feel you want.
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10-25-2014 01:14 AM  4 years ago
navihawk

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Titusville, FL

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just feels to me like something is causing the gear or the bearing to get kinda locked up, cus i am running both 12* + and -, and the heli climbs very very good with negative when inverted, but in upright with full collective it climbs about half the speed of a negative climb.
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10-25-2014 01:15 AM  4 years ago
navihawk

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Titusville, FL

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well the vbar express that i have doesnt have the agility slider, only the style and gain, i have it set to vivid
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10-25-2014 02:05 AM  4 years ago
navihawk

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Titusville, FL

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ive been looking over the manual and it shows in the main gear and tail belt drive gear illustration, it shows the main gear with the teeth facing to the left <<<<<<, but my gear has the teeth to the right >>>>>, would that cause something?
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10-25-2014 04:09 AM  4 years ago
Lu523

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On your pinion, is the set screw at the top? That is where mine is. Any chance you could post a pic?
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10-25-2014 05:20 AM  4 years ago
rexxigpilot

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rexxig2@comcast.net

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Your gear is backwards. Fix it before you strip it. The main gear "arrows" should point left. the set screw on the pinion should be closest to the motor housing. When you have it reversed the pinion is forcing the teeth on the main gear apart. The correct direction the pinion compresses the plastic teeth.
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10-25-2014 11:11 AM  4 years ago
navihawk

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Titusville, FL

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I will get some pictures when I get home. But the pinion is installed with the set screw at the top. Closest to the motor bracket and housing. But the main gear if I install it how the book shows with the teeth facing to the left then I would have to flip it upside down and the 4 screws that attach the one way bearing to the gear would be on the bottom. Not on top under the belt pulley

Looks just like this
http://www.helifreak.com/attachment...86&d=1386478713
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10-25-2014 01:07 PM  4 years ago
Lu523

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Covington, Ga USA

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If it is lke that pic then the gear is correct. I just looked through the manual and it shows the main gear both ways depending on the page.
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10-25-2014 02:26 PM  4 years ago
Fanbird

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Pearisburg, VA

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Hope this helps

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10-25-2014 02:39 PM  4 years ago
navihawk

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Titusville, FL

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That's what mines looks like. But I noticed that the gear slides down a bit and the two points of the gear and pinion don't align eexat. Should I add extra shims to keep the gear from sliding up som3. The manual says 1mm play
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10-25-2014 02:52 PM  4 years ago
Lu523

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Covington, Ga USA

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It should center itself up as it turns. That is what the built in play is for.
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10-25-2014 04:35 PM  4 years ago
navihawk

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Titusville, FL

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Just wondering why the bearing is always so stiff after landing
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10-25-2014 05:00 PM  4 years ago
Lu523

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Covington, Ga USA

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It could be a bad bearing. Contact Mikado USA about it.
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10-25-2014 05:04 PM  4 years ago
rexxigpilot

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The picture of the main gear with arrows pointing left in the 480 manual is wrong. All Logo models should have the herringbone gear arrows pointing right.

I would replace the one-way. If it is tight after flying, it could be slipping and the reason you have a lack of upright climb. Just not worth taking the risk. The one-way bearings on all my helis are lose after a flight.
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10-25-2014 05:16 PM  4 years ago
cudaboy_71

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sacramento, ca, u.s.

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it could be slipping and the reason you have a lack of upright climb
very well could be slipping, but inverted punchout loads the oneway the same direction. that's flawed reasoning.

not trying to call you out, rex. it's just that (and we've all done it) one flawed assumption can lead down a lengthy and needlessly expensive rabbit hole.
if it ain't broke, break it.
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