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Mikado Logo Helicopters Mikado Logo Helicopters Discussion


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Old 09-06-2017, 07:32 PM   #21 (permalink)
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Mikado main shafts are pretty soft, plus hollow which makes it easier. Done it before and not that hard if you have the right tools as you say. Decent drill press and some soft jaws. Certainly not suggesting you try with a hand drill.
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Old 09-06-2017, 09:51 PM   #22 (permalink)
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Grind a small flat before drilling and use a V block.
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Old 09-06-2017, 11:51 PM   #23 (permalink)
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May have to try it some day. For now I have a spare shaft. Thanks
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Old 09-07-2017, 08:11 PM   #24 (permalink)
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I used a Mikado main shaft in my Century swift years ago and still have it as it is in a scale body now. I had to trim one end and redrill.
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Old 09-11-2017, 07:56 AM   #25 (permalink)
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Well, had my first test flight. Everything is good and solid. I would say the 6S system in the Logo with 550 blades is a little anemic on power, but for my type of flying, probably adequate. I will just have to be a little more conservative with my collective. I am running my throttle curve at 85%, so I can probably perk that up a little with some fresh batteries. It's pretty hard on my old packs that I used for testing.
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Old 09-11-2017, 09:08 AM   #26 (permalink)
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Quote:
Originally Posted by JesusFreak View Post
Well, had my first test flight. Everything is good and solid. I would say the 6S system in the Logo with 550 blades is a little anemic on power, but for my type of flying, probably adequate. I will just have to be a little more conservative with my collective. I am running my throttle curve at 85%, so I can probably perk that up a little with some fresh batteries. It's pretty hard on my old packs that I used for testing.
My Logo 550 SX is anything but anemic. Motor and pinion can play a big part. At 1900 rpm with the XNova motor its a little rocket. With the light weight of the 550, its easy to throw it around! Just starting flying my Trex 550L again, and its like, "Wow, this thing is heavy" Lol.
Anyway, enjoy your Logo!

My specs:
Electronics:
Xnova 4025-1120KV V3 w/5 mm Shaft
Savox 1258TG for cyclic
Savox 1290Mg for tail
Pulse 65C 5000 mah
GensAce 45C 5000 mah

Kit came Rotortech main and tail blades.
I fly this with a 15t pinion using vBar Neo and UI sensor.

Although, I have to get new blades cuz i broke one of the Rotortechs on a bad auto this weekend.

Mikado Logo 550SX V2/Electronics unboxing (18 min 48 sec)
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Old 09-11-2017, 10:50 AM   #27 (permalink)
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Well, I just did test flight on some crappy older batteries. I may be low on the head speed. I have to crank it up a bit more and see where I'm at.


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Originally Posted by DeskPilot518 View Post
My Logo 550 SX is anything but anemic. Motor and pinion can play a big part. At 1900 rpm with the XNova motor its a little rocket. With the light weight of the 550, its easy to throw it around! Just starting flying my Trex 550L again, and its like, "Wow, this thing is heavy" Lol.
Anyway, enjoy your Logo!

My specs:
Electronics:
Xnova 4025-1120KV V3 w/5 mm Shaft
Savox 1258TG for cyclic
Savox 1290Mg for tail
Pulse 65C 5000 mah
GensAce 45C 5000 mah

Kit came Rotortech main and tail blades.
I fly this with a 15t pinion using vBar Neo and UI sensor.

Although, I have to get new blades cuz i broke one of the Rotortechs on a bad auto this weekend.

https://www.youtube.com/watch?v=fQDkw_FnSJQ&t=81s
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Old 09-11-2017, 12:54 PM   #28 (permalink)
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15 and 16 tooth pinion, somewhere between 2000 and 2200 rpm it will fly pretty good. But I have found it to be more relaxed and less ballistic than something like a 570 or align 550

Sent from my SM-G892A using Tapatalk
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Old 09-12-2017, 06:17 AM   #29 (permalink)
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That's OK. I'm a "more relaxed" kind of flyer. LOL. I had a good flight yesterday, starting to get the feel of it more. Quite a bit bigger than my TREX500


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15 and 16 tooth pinion, somewhere between 2000 and 2200 rpm it will fly pretty good. But I have found it to be more relaxed and less ballistic than something like a 570 or align 550

Sent from my SM-G892A using Tapatalk
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Old 09-13-2017, 10:18 AM   #30 (permalink)
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Quote:
Originally Posted by Bugcatcher View Post
Mikado main shafts are pretty soft, plus hollow which makes it easier. Done it before and not that hard if you have the right tools as you say. Decent drill press and some soft jaws. Certainly not suggesting you try with a hand drill.

What type of drill press, vise, drill bits, any other equipment to get this done properly? I am not looking to spend too much money on this. Links would be nice
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Old 09-13-2017, 10:45 AM   #31 (permalink)
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Quote:
Originally Posted by cbrkhan View Post
What type of drill press, vise, drill bits, any other equipment to get this done properly? I am not looking to spend too much money on this. Links would be nice
A drill press and a vee block is a decent start. You can use a small, short, stiff bit to locate and start the hole, and work up. It should stay centered. Better would be to create a jig to insert the shaft into and then clamp onto the press. The centerline of the hole can be drilled in the jig much more precisely than eyeballing the location on a drill press.

These are common designs for jigs for just such a purpose

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Old 09-13-2017, 10:48 AM   #32 (permalink)
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Quote:
Originally Posted by jmtyndall View Post
A drill press and a vee block is a decent start. You can use a small, short, stiff bit to locate and start the hole, and work up. It should stay centered. Better would be to create a jig to insert the shaft into and then clamp onto the press. The centerline of the hole can be drilled in the jig much more precisely than eyeballing the location on a drill press.

These are common designs for jigs for just such a purpose



Is there a place where these shaft gigs can be bought for 10 and 12mm shafts?
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Old 09-13-2017, 02:39 PM   #33 (permalink)
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I use a solid carbide straight flute drill such as:

https://www.travers.com/metric-solid.../p/20-806-260/

(I should mention that I bought my carbide drill from a local tool supply, so not sure whether the drill or company linked above is actually good. Just giving an idea of what the drill looks like.)
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Last edited by RJ; 09-13-2017 at 07:51 PM.. Reason: Have not ordered anything from Travers Tool Co. before.
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Old 09-14-2017, 07:38 PM   #34 (permalink)
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I should stay away from threads with new ideas .... just spent a lot of money on drill press, vee blocks and drill bits


I needed to drill a logo 600 shaft for a mod that I am trying. It will be worth it if my experiment works
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Old 09-17-2017, 11:08 AM   #35 (permalink)
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Got a drill press, vee blocks, bit centering jigs.... Cobalt Bits and Solid Carbide bits. What type if RPM is used to drill Mikado Shafts?
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Old 09-19-2017, 10:11 AM   #36 (permalink)
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Most important step in this drilling a hole in a main shaft is to grind a small flat where you plan to drill. Then center punch the location before trying to drill the hole. Trying to start a hole on a round shaft with a standard drill bit is tough. The nice thing about the hollow shaft is once you are through the one side you can look inside to make sure that you are centered before you come through the other side. This picture gives a good example of a simple V Block and drilling a round object.
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