Originally posted by Grossman56
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Should be able to stack two 3000 size 4S Admirals. The recommended 6S 5000 is 751g and measure 137x45x59 and the 4S 3000 is 310g and measures 135x44x24.
So the advantage for the 4S set up is a 1000 more in the gas tank and 130g lighter in weight
No secret Dan on the prop, they are still avail at a couple places ( and I wish I had a 3D printer !!! )
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