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Old Jan 30, 2013, 02:00 PM
Ain't crashing often anymore
mikefromgermany's Avatar
Germany, Berlin
Joined Jun 2012
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Quote:
Originally Posted by mystman View Post
No chance. There aren't any at this size. Better ask in the X4 thread

What do you want to achieve?
not even in the x4 thread.
for mQX Class there are some avail., though.

-mike-
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Old Jan 30, 2013, 04:06 PM
Happy Holidays
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Joined Jan 2013
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Wel after looking into wiki and nasa they suggest adding extra blades evenly spaced to reduce noise.so im tryen to find some blades like that.maybe there are some small planes that run on those engines.the end shape of the prop also has to be more pointed and i noticed all these props are basicly squared shaped.i read that a small tornado effect basicly comes off the ends when its flying.so im looking around for props like that to try it oout.i guess it also reduces vibrations.do the mqx blades fit the x4?
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Old Jan 30, 2013, 04:35 PM
Ain't crashing often anymore
mikefromgermany's Avatar
Germany, Berlin
Joined Jun 2012
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Quote:
Originally Posted by AnthonysQuad View Post
do the mqx blades fit the x4?
Hmmm. You may have a look....

-mike-
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Old Jan 30, 2013, 04:40 PM
Happy Holidays
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Blue edge blade
Listen to the difference ...im tryen to find better pic of the blades video has audio ...big difference.looks like most helis designed have 5 blades but theres some flap on theblade as well.i might dig into wikileaks and see if anythi.g is posted there
http://www.aviationweek.com/Blogs.as...1-ae29820a4a62
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Old Jan 30, 2013, 05:04 PM
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bulesz's Avatar
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Joined May 2007
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Quote:
Originally Posted by mikefromgermany View Post
Hmmm. You may have a look....

-mike-
I think the X4 blades would fit to the mQX...after some drill..but I wouldnt guarantee the proper lifting power...
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Old Jan 30, 2013, 05:09 PM
Tri-Quad-Hexa-Octo-copters!!
United States, TX, San Antonio
Joined Feb 2007
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Hi A,
I've flown multicopters with tri-blades and quad-blades over the years experimentally and while there is a difference in sound, the db level is not significantly different for props size at the same RPM. The main reason the better performing multicopters have 2 blades is because of their lighter mass and responsiveness of the 2-bladed prop and motor to the PID commands from the flight controller. Not trying to discourage you from your goal, just know that the path has been well-traveled. The quietest large multicopters have low Kv motors of about 300kv and swing large two-bladed props of about 16 inches and 5 or more pitch. The "Blue-edge" rotor technology might help, but I'm not holding my breath for that one for RC use...
Also see:
Are More Propeller Blades Better? - Air and Space Magazine
Cheers,
Jim
Quadrocopter and Tricopter Info Mega Link Index
Quote:
Originally Posted by AnthonysQuad View Post
Blue edge blade
Listen to the difference ...im tryen to find better pic of the blades video has audio ...big difference.looks like most helis designed have 5 blades but theres some flap on theblade as well.i might dig into wikileaks and see if anythi.g is posted there
http://www.aviationweek.com/Blogs.as...1-ae29820a4a62
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Old Jan 31, 2013, 01:02 AM
KDS450QS(ZYX4),V977,CX-20
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United States, CA, Monterey
Joined Apr 2012
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Limited Freebie (balance charging cable): http://www.rcgroups.com/forums/showp...9&postcount=30
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Old Jan 31, 2013, 06:15 AM
KDS450QS(ZYX4),V977,CX-20
FyreSG's Avatar
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UDI U817: http://www.banggood.com/Wholesale-Ud...9-p-53890.html

With CAMERA module: http://www.banggood.com/Wholesale-Ud...1-p-64259.html
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Old Jan 31, 2013, 06:55 AM
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the links are the same mate...
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Old Jan 31, 2013, 07:09 AM
KDS450QS(ZYX4),V977,CX-20
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Oops! I've edited!
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Old Jan 31, 2013, 01:12 PM
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I'm watching you... ...
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Old Jan 31, 2013, 04:04 PM
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Quote:
Originally Posted by AnthonysQuad View Post
Blue edge blade
Listen to the difference ...im tryen to find better pic of the blades video has audio ...big difference.looks like most helis designed have 5 blades but theres some flap on theblade as well.i might dig into wikileaks and see if anythi.g is posted there
http://www.aviationweek.com/Blogs.as...1-ae29820a4a62
How about this one: It's MQX/ v929 sized. http://www.banggood.com/Wholesale-Fl...o-p-62919.html
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Old Jan 31, 2013, 04:05 PM
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One transmitter to rule them all....http://www.banggood.com/Wholesale-Wl...2-p-63784.html
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Old Jan 31, 2013, 05:29 PM
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all but one!

The V202 only one with accelerometers has a "special blue" transmitter
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Old Feb 01, 2013, 01:33 AM
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Dunno if you guys have seen this yet: http://www.bitcraze.se/2013/02/pre-order-has-started/

It's an open development platform, and not really a bind/fly type solution, but it's tiny at 9*9cm, if a tad expensive, but interesting nonetheless
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