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Home✈️Aircraft🚁HelicopterHelicopter Main Discussion › why is a bigger heli more stable
10-30-2013 04:17 AM  5 years ago
icanfly

rrElite Veteran

ontario

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leverage.

The main shaft is generally very small on a 700 =14mm, a 450 =5mm. Take that average axial point and swing 28 inches of 40 grams, easy to do. Now take the 5 ft long nearly 1lb rotor blades of the 700, harder to move that pound around isn't it. Though the blades are 10 times the weight they are only 2.5 times in length and chord. Generally a 700 is ten times the weight of a 450. In theory the 700 will be ten times slower than the 450 in directional changes and or affected by wind.

Try a short pair of blades on a heli, then swap a set of long ones on to compare.
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10-30-2013 02:26 PM  5 years ago
waheed1998

rrApprentice

baltimore,md

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air foil that is created by blades. the bigger the blade the bigger the air foil vs earth gravity and weight.Adding in a good setup fbl unit this the reason y bigger is more stable,but IMO small is stable per setupanthony jackson
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10-30-2013 03:08 PM  5 years ago
Richardmid1

rrProfessor

Leeds, England

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If we are just talking hovering stability and you take away the wind factor, a small heli can be just as stable as a bigger heli, like you said its all in the setup.60% of the time, it works every time!
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10-30-2013 05:38 PM  5 years ago
niyot

rrApprentice

Baltimore, Maryland

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Sooooooo. What bird did you wind up getting and when are you going to come to the field to give it a proper maidenHood HeLi : RIP Roman
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10-30-2013 05:41 PM  5 years ago
waheed1998

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baltimore,md

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logo 600 and i dont have any servos yetanthony jackson
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10-30-2013 05:46 PM  5 years ago
niyot

rrApprentice

Baltimore, Maryland

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congrats. good choice.
let the fellas know when its ready to go. keep an eye on the forums, you can pick up great deals on used/new electronics especially now that the flying season is coming to an end.
Hood HeLi : RIP Roman
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11-02-2013 06:42 PM  5 years ago
BENTDABOOM

rrKey Veteran

west seattle

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sounds like your affriad of crashing and breaking things? we all go thru it, just bite the bullet have spares on hand and go for it, besides repairs will help ya get ya familiar with your modelCAUTION!!! politicians may be hazerdous to your well being
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Home✈️Aircraft🚁HelicopterHelicopter Main Discussion › why is a bigger heli more stable
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