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Old 07-18-2016, 01:22 PM
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PacificNWSkyPilot
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That's a bit heavy for it. The Valley View 40CC Twin with mufflers weighs around 50 ounces, I think, and that was about perfect for balance in mine. The Valley View ad says it weighs 44 ounces, but as I recall, I found it was heavier than that, so I'm estimating 50 ounces max (But, as I said, it was PERFECT for balance in my RC Guys Pitts). 73 ounces is a full 23 ounces more than that, and I think the plane could manage it, but I think that much weight would make the plane fly too heavy, and that's not even including the tail weight you'd likely have to add.
I hope this is of some help to you.

~ Jim ~