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Old Feb 05, 2013, 11:07 AM
scale microlights
mark675's Avatar
midlands uk
Joined Sep 2004
2,687 Posts
Ah ok! lol
i dont really know much about this type of aircraft yet so have a lot to learn
can i ask why they have flex in this part for?

thanks,mark
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Old Feb 05, 2013, 11:16 AM
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Ricardo1500's Avatar
Wolverhampton, England
Joined Jun 2010
391 Posts
Mark

I don't pretend to understand the science part....I've tried but it makes my head hurt. I'm sure someone will be along to put you in the picture

Cheers
Rich
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Old Feb 05, 2013, 11:24 AM
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Ricardo1500's Avatar
Wolverhampton, England
Joined Jun 2010
391 Posts
Mark



I've found the best explanation I've read regarding this is the second post in the very informative Gyrocopter Aerodynamics thread by mnowell129

http://www.rcgroups.com/forums/showthread.php?t=614030


Cheers
Rich
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Old Feb 05, 2013, 01:11 PM
scale microlights
mark675's Avatar
midlands uk
Joined Sep 2004
2,687 Posts
Thanks for that link Rich
i sort of understand now but my head hurts lol

so from what was said it may pitch up and roll as soon as it lifts off with a rigid head?
i flexed the plastic head and then flexed the glass epoxy part after and id say the GE part was about twice as rigid,
it still flexed abit but probably not enough

its all good fun learning
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Old Feb 05, 2013, 03:49 PM
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Elizabeth South Australia 5113
Joined Nov 2005
1,819 Posts
Mark
Yes it's all good fun learning.........and I don't know a lot myself.......but.... I have found that the old "Tupperware type'' lid is the way to go. To this day my wife can not work out how she has lost those bloody lids.
Chris..........
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Old Feb 05, 2013, 04:16 PM
scale microlights
mark675's Avatar
midlands uk
Joined Sep 2004
2,687 Posts
Haha!
ok thanks for the advise guys ill go search the kitchen
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Old Feb 06, 2013, 06:44 AM
Size doesn't matter!!!
Belgium
Joined Sep 2005
107 Posts
Hi,
any of you guys able to draw a CAD-drawing of the rotor plate? I can easily have these produced in aluminium but my drawing skills are too poor to even start on it...
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Old Feb 06, 2013, 07:27 AM
Bleriot's R Us
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Ireland, Donegal
Joined Nov 2003
1,175 Posts
Yes I have it drawn apart from positions of the 3 centre bolt holes, will post when finished I have a cnc myself and going to cut some from 1.5mm polycarbonate (lexan)
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Old Feb 06, 2013, 10:39 AM
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United Kingdom, England, Hemel Hempstead
Joined Feb 2010
62 Posts
Quote:
Originally Posted by classicracer View Post
Hi,
any of you guys able to draw a CAD-drawing of the rotor plate? I can easily have these produced in aluminium but my drawing skills are too poor to even start on it...
Classic racer
Aluminium will not work , the plate HAS to have flexibity, the flexing is essential for an Autogyro to fly. If you somehow managed to get it flying with aluminium then the flexing would work harden it and it will fracture quicker than the original part

Malcolm
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Last edited by Flying_Flair; Feb 06, 2013 at 10:40 AM. Reason: Missing word typo
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Old Feb 07, 2013, 07:03 AM
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Joined Jan 2009
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tupperware lid y pieces are you doing y shape or a 3 pointed circle ?
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Old Feb 07, 2013, 10:10 AM
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metalwizard's Avatar
United States, UT, Hurricane
Joined Aug 2012
612 Posts
Well I pulled the trigger on a n auto-g last night. Read most of this thread and I cant wait to get it in the air.\!

I am both a heli and fixed flier so this should be fun.

I also have a laser cutter so the cad drawing of the rotor hub would be a great thing to have. I work with plastics so I bet I could laser cut a BUNCH of plastic hubs pretty cheap... humm maybe I should put some on my website for sale LOL
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Old Feb 07, 2013, 10:40 AM
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Italy, Trentino-Alto Adige/Südtirol, Bolzano
Joined Feb 2011
9 Posts
Crazy stunt

That is what happens when your friends are challenging you for a crazy stunt:

http://www.hobbyking.com/hobbyking/s...52677f4180b802



Regards David
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Old Feb 07, 2013, 01:36 PM
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metalwizard's Avatar
United States, UT, Hurricane
Joined Aug 2012
612 Posts
SO I want to get some Metal Gear servos for this..

I am a little confused they say 9g sevor... but metal gears in that size dont seem to match up.

do I go to the MICRO or MINI servo? (mini I guess) and those are like 13 g's ish is that ok?

maybe just a recommendation would be good to! thanks
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Old Feb 07, 2013, 01:51 PM
Do you see what I see?
rcoconut's Avatar
Rancho Cucamonga, CA
Joined Sep 2006
1,775 Posts
Quote:
Originally Posted by metalwizard View Post
Well I pulled the trigger on a n auto-g last night. Read most of this thread and I cant wait to get it in the air.\!

I am both a heli and fixed flier so this should be fun.

I also have a laser cutter so the cad drawing of the rotor hub would be a great thing to have. I work with plastics so I bet I could laser cut a BUNCH of plastic hubs pretty cheap... humm maybe I should put some on my website for sale LOL
Congrats with the purchase!!

And regarding the Rotor Blade Grip, if you made 'em I'd buy a few!!!

Have fun!
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Old Feb 07, 2013, 01:52 PM
Sky's not the limit, ground is
skydanz's Avatar
USA, CA, San Jose
Joined Dec 2007
855 Posts
Quote:
Originally Posted by metalwizard View Post
SO I want to get some Metal Gear servos for this..

I am a little confused they say 9g sevor... but metal gears in that size dont seem to match up.

do I go to the MICRO or MINI servo? (mini I guess) and those are like 13 g's ish is that ok?

maybe just a recommendation would be good to! thanks
I would suggest flying it first. They are fine flyers stock. I have dozens of flights on mine without any repairs or replacements. If you don't have any experience flying autogyros, I would suggest having someone hand launch for the maiden. They can be extremely tricky when ROG and likely to rotate to the left if the rotor is not up to speed.
Good luck! Get video!

Don
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