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Old Dec 30, 2010, 01:32 AM
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CHINA
Joined Apr 2005
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The New Cheapest MEMS Gyro

Hi,Guys,



we,ASSAN, developed a New Cheapest MEMS Gyro in the world,it's called GA-250,a tiny MEMS gyro.we have been shipped to Hobbycity/Hobbyking and you will see it on theie web two or three days later.

it's our first touch on MEMS gyro and we are lucky that the MEMS sensor have been truns cheap now.the sensor's price down sharply depend on the MEMS technology development and the huge expand on the market this year,espeical depend on Apple pull and runing MEMS sensors in thier Iphone/Ipad etc.

here is a brief of GA-250.
-----------
Technical Features
Sensor: MEMS
System control: AVCS (Angular Vector Control System).
Dual-gain function: two operational modes can be selected through the transmitter: AVCS mode and Rate mode.
Compatible with all digital servos, include 1520us, 760us and 960us.

Technical Parameters
1. Operating voltage: DC 3.0 ~ 9.0V
2. Operating current: 20mA(At 5.0V)
3. Operating temperature: -15℃ ~ 60℃
4. Dimensions: 21 21 10mm
5. Weight: 8.0g(Include Connectors and Wires)
-----------

How it's behiviour in your heli? there will have enough real stories in 2011.

thanks and Happy New Year!

meng
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Last edited by ASSAN; Dec 30, 2010 at 01:35 AM. Reason: upload doc
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Old Dec 30, 2010, 06:48 AM
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Thailand, Bangkok, Wat Tha Phra
Joined May 2010
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great, how cheap it is?
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Old Dec 30, 2010, 06:57 AM
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Joined Aug 2010
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Looks good... I wonder what the price will be...
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Old Dec 30, 2010, 07:36 AM
crashs come easy patience dont
bad400's Avatar
USA, MI, Shelby Township
Joined Jan 2009
2,875 Posts
i hope its better than the hobbyking version.

if you have free return shipping, it may be worth a try.
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Old Dec 30, 2010, 10:21 AM
Axes & Blades-Cutlery & Helis
West Monroe NY
Joined Feb 2009
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Quote:
Originally Posted by bad400 View Post
i hope its better than the hobbyking version.

if you have free return shipping, it may be worth a try.
Hmmmmmm, who anywhere in the world has free return shipping

If the price is right, I'll add one to the collection, I still have 2 helis running piezo gyros.
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Old Dec 30, 2010, 11:35 AM
Looptastic!
sp00fman's Avatar
Enschede, Netherlands
Joined Nov 2009
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Lol,
i will get one as soon as they stock it. Ive been waiting for an opportunity

Thanks for the heads up
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Old Dec 31, 2010, 11:11 AM
crashs come easy patience dont
bad400's Avatar
USA, MI, Shelby Township
Joined Jan 2009
2,875 Posts
Quote:
Originally Posted by ewoodcox View Post
Hmmmmmm, who anywhere in the world has free return shipping



this is why i dont buy cheap gyros anymore.
the return shipping cost more than the gyro, thats why they offer this stuff so cheap.
they know if they sell 30 bad units, they may get one back because people dont normally spend 27 bucks to return a 20 dollar item.

now if the re-turn shipping was free, i would try one myself.


dont get me wrong, this could be a decent gyro. but im so tired of eating money on a could be. until these cheap knock-off companies start offering free re-turn shipping, im not buying any of it.
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Last edited by bad400; Dec 31, 2010 at 05:58 PM.
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Old Dec 31, 2010, 11:23 AM
Love my scale Whirlybirds
Keyrigger's Avatar
Mississauga, Ont., Can.
Joined Sep 2009
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Cheap knock-off of the Quark.
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Old Dec 31, 2010, 01:27 PM
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USA, NY, Queens
Joined Jun 2000
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I am surprised that it is not named Assan GAQuark gyro!
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Old Dec 31, 2010, 06:27 PM
Old Skool
J.Douglas's Avatar
Joined Dec 2003
743 Posts
meng,
Send me one I will test it and report back here.
Happy New Year!

JD
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Old Jan 01, 2011, 09:49 AM
Afghanistanimation
johnnychimpo's Avatar
United States, TX, Killeen
Joined Sep 2006
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Same here, ill test if for ya!
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Old Jan 01, 2011, 10:44 AM
Looptastic!
sp00fman's Avatar
Enschede, Netherlands
Joined Nov 2009
2,297 Posts
Assan, you have some more information for us?

I would like to know if it has settings like limit and delay.
Also what is the max piro speed?

Any other settings we can play with?
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Old Jan 01, 2011, 11:19 AM
Axes & Blades-Cutlery & Helis
West Monroe NY
Joined Feb 2009
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Quote:
Originally Posted by sp00fman View Post
Assan, you have some more information for us?

I would like to know if it has settings like limit and delay.
Also what is the max piro speed?

Any other settings we can play with?
the manual tells you how to set the limits, it also says no analog servos so there should be no delay.

All in all, does not look like a bad gyro, I will likely keep upgrading to FBL so not sure I need any more tail gyros, but if the price is right, I will pick one up to play with.
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Old Jan 04, 2011, 04:36 AM
Looptastic!
sp00fman's Avatar
Enschede, Netherlands
Joined Nov 2009
2,297 Posts
OMG!!!! It is only $10...... $9,10 if you swarm it.

http://www.hobbycity.com/hobbyking/s...dproduct=15318

i got 2. must test this
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Old Jan 04, 2011, 05:11 AM
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pitchp's Avatar
Australia, VIC, Melbourne
Joined Aug 2010
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yep swarmed it, I bought 4. I'm thinking of buying more. But I thought I'd give others a chance aswell before it's on backorder
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