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Hot Topic (More than 10 Replies) MI-2 rubber powered (Read 6558 times)
Shtefan
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Re: MI-2 rubber powered
Reply #11 - Apr 6th, 2022 at 4:25am
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http://aviamodelka.ru/forum/index.php?/topic/5498-с-130-геркулес/
this link shows the manufacture of balsa shells. I will use this method for the fuselage.
Pictures of fish and shell are my preparations before making a wooden matrix. The front part of the fuselage is elongated, different from the scale.
m1 - front gearbox it's multiplicity rate is 3 (no reduction!)
m2 - main and tail gearbox.
main is multiplicity rate is 1.5, tail is 4.
It's  allows to use of a thick rubber harness. 10 rings of 1/8 tan supersport rubber. Weight of rubber harness is 10 gram.
Distance between hooks 155 millimeters.
m3 - tail gerbox, it's making from a little cylindrical  gears.
m4 - rear mounting rubber harness by metallic tube.
m5 m6 - main rotor hub, and it assembly
m7 - installing bamboo rods
these rods are a sacrificial element in falls. they save the blades.
the rods help to assemble the rotor precisely, because they can be bent with a hot soldering iron.
m8 - blade design. loops are put on the main shaft.

  
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Sky9pilot
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Re: MI-2 rubber powered
Reply #10 - Apr 1st, 2022 at 5:04pm
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A little description of what we're seeing please! Smiley
  

If God is your Co-pilot...switch seats...
Your attitude will determine your altitude!- John Maxwell
And ye shall know the truth, and the truth shall set you free. Jn 8:32
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Shtefan
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Re: MI-2 rubber powered
Reply #9 - Apr 1st, 2022 at 10:52am
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3
  

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R_install.jpg
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shell.jpg
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Shtefan
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Re: MI-2 rubber powered
Reply #8 - Apr 1st, 2022 at 10:50am
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continue...
  

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m5.jpg
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m6.jpg
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m7.jpg
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Shtefan
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Re: MI-2 rubber powered
Reply #7 - Apr 1st, 2022 at 10:13am
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Rkierna wrote on Feb 23rd, 2022 at 12:13pm:
2/23/2022
what is the strings running from the rotor blades?


This is gyroscopic stabilization of the rotor. This stabilization works like a flybar on two bladed propellers.

the take-off weight of the model is 38 grams

I haven't launched the model since February 23. I haven't done anything since. I have no inspiration, I think you will understand why. Embarrassed

  

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Rkierna
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Build! Fly! Enjoy!

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Re: MI-2 rubber powered
Reply #6 - Feb 23rd, 2022 at 12:13pm
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2/23/2022

Well done!!!  Wink more info, I see you are using weights on the rotor blades, what is the strings running from the rotor blades? what is it's current weight.

Nice flight.

Cheers, Ray K.

  
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MKelly
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Re: MI-2 rubber powered
Reply #5 - Feb 21st, 2022 at 5:11am
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Very cool!
  
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pb_guy
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Re: MI-2 rubber powered
Reply #4 - Feb 20th, 2022 at 9:28am
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I like that sound of the child when magic happens. Great work there!  Smiley
ian

Мне нравится этот звук ребенка, когда происходит волшебство. Отличная работа там!
  
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Sky9pilot
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Re: MI-2 rubber powered
Reply #3 - Feb 19th, 2022 at 4:30pm
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outstanding...she's a real flyer!!! Smiley
  

If God is your Co-pilot...switch seats...
Your attitude will determine your altitude!- John Maxwell
And ye shall know the truth, and the truth shall set you free. Jn 8:32
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Shtefan
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Re: MI-2 rubber powered
Reply #2 - Feb 19th, 2022 at 2:16pm
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The work continues, the time of the first flights. I wanted to understand whether it would fly or not before making the fuselage.
https://www.youtube.com/watch?v=vfIAcrJcXKg

ps foto camming soon, one two week
  
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Rkierna
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Build! Fly! Enjoy!

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Re: MI-2 rubber powered
Reply #1 - Dec 28th, 2021 at 12:09pm
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12/28/2021,

very cool, wow a lot of gears in this one, good luck with this.

Cheers, Ray K.
  
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Shtefan
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MI-2 rubber powered
May 24th, 2021 at 5:41am
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it will be scale rubber powered helli
MI 2
its many gears...
completion date autumn 2021
  

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