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Home✈️Aircraft🚁Helicoptere-MikadoLogo 500 › Regarding stripped gears on the 500
07-31-2007 05:50 PM  13 years ago
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quattrokid73

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Huntingdon Valley, PA, USA

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Regarding stripped gears on the 500
There are a few things you can do to minimize your chances of stripping a gear on the 500.

1) make sure to wipe down the face of the motor and the face of the motor mount with rubbing alcahol, as to make sure there is no residue that might cause slippage.

2) Roughen the motor screw washers with sand paper, so that they grip the motor plate better.

3) do not over tighten the motor mount screws, or you may deform the mount, causing the motor to slip.

4) make sure you fully seat the pinion into the gear. there should be no lash. the herringbone design is made to be fitted together snugly.

The new design is well thought out. If you follow these steps, your geartrain should run smoothly, reliably, and quietly. The plastic motor mount is in no way structurally inadequate for high power setups. You can upgrade to the metal mount, but that will primarily aid in cooling.
Aero-Model/Hacker Brushless/Mikado 2007
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07-31-2007 06:13 PM  13 years ago
epc2

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Miami , Fl./S.Domingo.

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The plastic motor mount is in no way structurally inadequate for high power setups
I disagree with you , if it's adequate why are team pilots using the 3rd bearing and Why is Shawn stripping gears?? I think that with the load of 550's and powerful motors the metal or 3rd bearing are needed pure and simple.

If running 500's I don't think that there are going to be any issues.

I'm using the plastic with no problems but I'm running a Vbar and that's a whole different set up with less load.

epc2.
Team My Wallet.
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07-31-2007 08:47 PM  13 years ago
caseyjholmes

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Portland, Oregon

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If you are going to use high power setups on 8s and 550 blades etc, it only makes sense to upgrade the motor mount when the box says "for use with 5-6s lipos". The machine was designed for 6s. The mount will handle 6s setups fine. You have to be careful when something isn't metal. You can't go cranking down on it.
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07-31-2007 08:52 PM  13 years ago
epc2

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Miami , Fl./S.Domingo.

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I'm not sure but I think Shawn said that he was stripping gears with 6s too?

epc2.
Team My Wallet.
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07-31-2007 10:14 PM  13 years ago
chadtyro

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Dowagiac, MI

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when the box says "for use with 5-6s lipos". The machine was designed for 6s. The mount will handle 6s setups fine.
So, the 600 will come with a different motor mount? Mikado site says 6s-10s for the 600's. If it is the same mount, there went that theory. How will it handle 600 loads if it can't handle 550? I know you both say yours are fine. I hope you are the "rule" and not the "exception" to it.
Chad
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07-31-2007 10:25 PM  13 years ago
quattrokid73

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Huntingdon Valley, PA, USA

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The 500 went through tons of R/D before it came to market. It's designed around 5 to 6 cells, and most people run 500's on it. If you go outside of those boundaries, you may encounter hiccups. Of course, the stock motor mount will work for most applications if it is set up correctly. For those pushing boundaries, and spending the extra on that equipment, then they can also purcahse a metal mount to calm their fears.

it's easy for us to go power hungry with electric setups because of the nature of their design. if you stay inside product limits, though, you can expect the best reliability. as you have already seen, the 500's are flying with high power setups and pulling serious 3d.

i for one have had absolutely no issue with my geartrain. it is set up properly, and all of my equipment is within hard 3d spec. i can spool the heli up with my CC85hv faster than any other at the field and the gears hold strong.
Aero-Model/Hacker Brushless/Mikado 2007
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07-31-2007 11:02 PM  13 years ago
OICU812

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Edson, Alberta, Canada

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As sad as it is to admidt I do feel I did over tighten the bolts to my mount as mentioned in my review. I am running it now with the stock plate and no issues. Right now I am back to 6S and so far so good. I put on some bigger washers to spread the load more evenly and all seems to be fine....Once upon a time there were Nitros, flybars and frequency pins...
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08-01-2007 12:46 AM  13 years ago
rerazor

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Mich.

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Pics would be nice of the deformed mount and/or the washer "upgrade".
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08-01-2007 01:09 AM  13 years ago
caseyjholmes

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Portland, Oregon

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How 'bout a pic of the new mount instead?

Here is the old mount. No damage to speak of.. just a slight ring left from the washer.

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08-01-2007 01:43 AM  13 years ago
Motions

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Tallahassee, FL

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I've been perfectly happy with the stock mount so far. I finished breaking in my packs last week and started some hard 3d with it and I haven't seen a hint of a problem out of the gear train.

The tips that quattrokid73 gave are very good tips. I may have to tear mine down and try some just for insurance.
_______
Scott M
Team Mikado USA
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08-01-2007 02:09 AM  13 years ago
J.W.s.4

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Chandler,Az,US

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I'd like to add with all of these motor mounts weather you are using the plastic or the new Alu one.

I have found that taking some main blade brass insert's (4mm to 3mm) and cutting them down to just under 8mm helps from deforming the plastic and or bending the washer on the Alu mount.

John
Team Mikado USA Tester
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08-01-2007 03:10 AM  13 years ago
rerazor

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Mich.

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So why does the Alum. mount cost twice as much as the L10 one?

I'm sure the after market company's will come out with ones at half the cost.
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08-01-2007 04:14 AM  13 years ago
caseyjholmes

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Portland, Oregon

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The L10 came down in price a while back along with most of the parts for it. I Still love my L103D and fly it every outing.

the L5003D is still new to the market so it might be a while before the prices on the L5003D are equal to the current prices of the L103D.
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08-01-2007 05:13 AM  13 years ago
quattrokid73

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Huntingdon Valley, PA, USA

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keep in mind that mikado is a much smaller company than thunder tiger or align.Aero-Model/Hacker Brushless/Mikado 2007
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08-01-2007 05:31 AM  13 years ago
airboss

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OC ,california

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i love my new 500 3D,i stripped a main from impropper gear mesh,but you live and learn.an aluminum motor mount totaly makes sense,i run oversize washers to keep things in check.with trex power i need all the heat sink i can get.this heli rocks.Urukay HPS3 KSE 700 HPS3
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08-01-2007 07:13 AM  13 years ago
Holger Port

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Bad Homburg, Germany

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There is an info on the german mikado website (if you search for "Z-Power" that say.

"If you use the Z-Power motor in your Logo 500, you must use the 0.7 modul gear."
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08-01-2007 08:26 AM  13 years ago
Lorents

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Oslo, Norway

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One more thing that may help prevent gear stripping is to make sure there is no wobble in the main gear. If you just randomly tighten down the four screws that holds the gear to the one way bearing it will probably have a slight wobble that will cause unnecessary wear.

I got mine pretty straight by spinning it around using my finger nail as a rough dial indicator - whenever it hit my nail I would loosen the closest screw slightly and tighten down the others. Took a few minutes but its probably worth it
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08-01-2007 08:31 AM  13 years ago
MrMel

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Gotland

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Ive been using a plastic mount in my Logo 14 for a year now, its a special mount made from the same material as the new Logo 600 frame and its Though, REALLY though.

Sounds and feels like metal but its plastic, so I wouldnt worry that its not strong enough.
Ive crashed with it hard enough to shatter the frames around it, tearing out the motor and placing it a feet away from the rest of the heli, motor mount was fine.

Third bearing is probably good since it will take the stress away from motor bearing, it takes very very little play in the bearing of an actro motor to strip a main-gear...
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08-01-2007 09:09 AM  13 years ago
Lorents

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Oslo, Norway

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Ive crashed with it hard enough to shatter the frames around it, tearing out the motor and placing it a feet away from the rest of the heli, motor mount was fine.
Wow, you really put some effort into testing that motor mount Fredrik
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08-01-2007 09:14 AM  13 years ago
OICU812

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Edson, Alberta, Canada

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Yea Fredrik Actros have great power no doubt, keeping bearings and shafts in those dam motors however is a full time job in itself....Once upon a time there were Nitros, flybars and frequency pins...
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Home✈️Aircraft🚁Helicoptere-MikadoLogo 500 › Regarding stripped gears on the 500
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