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Uploaded on Nov 6, 2009
thes 4D plane was developed especially for the use with a Variable-Pitch-Prop. The Centre-Prop design with the VPP (or propeller) in the middle of the fuselage protects the VPP in all possible situations. You can even start the model when it's lying up side down, because the prop can always spin without any ground contact. nise plane HE!!!! to bay a plane like thesone see thes link http://www.slowflyworld.net/product_i...