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Any tricks on getting the CG right on the 800mm FMS P-47? The manual states it should be 48mm, which according to the picture is the leading edge of the wing. I'm still in the middle of the wing with a 1000mA battery and two souvenir coins...not even close. The battery compartment doesn't go that far forward, so the only way to move the CG is to somehow add weight to the engine cowl. I've practically destroyed the front end shoving metal bolts and screws into the oil cooler area and still not there. What should I be using and how much?
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Re: FMS 800mm P-47 Center of Gravity Problem
I don't have the P-47, but my Zero required about an ounce of lead stick on wheel weights in the nose to balance correctly with the 2S 1000mAh battery. They fit perfectly in the square channel that the motor wires pass through. I used the specified CG measured back from the leading edge of the wing, near the fuselage. Don't fly it until you get it right. -
Re: FMS 800mm P-47 Center of Gravity Problem
Thanks. I learned after several crashes that the picture and language in the instructions are incorrect. You can tell throughout the manual that whoever did the Chinese-to-English translations wasn't paid enough. It should have said the CG is 48mm "aft of the leading edge" instead of "forward from the leading edge" and the CG arrow should have pointed to a different spot. I'll use this one as a static display.Comment
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Re: FMS 800mm P-47 Center of Gravity Problem
Greetings,
I have the 800mm P-47 and in order to achieve CG it required a 1/2 - 1 oz. of lead (sticky-back) in the nose.
I combine that with a 1300mAh Admiral 2-cell because it gives me a bit of grace in the batteries positioning to achieve the best CG point. But, once you're there it's a nice flyer.
As with all of the 800mm series, each one has it's own little quirks and presents a unique challenge however, with some patience once their tweaked in, they are a joy to fly and their small, yet highly detailed appearance in the air make them real eye-candy at the field (I wish they had retracts).
FYI, even though it provides an awesome static appearance, ALL of these 800mm warbirds fly much better/stable without the armament hanging off the wings.
Bottom line, if you can tame these finnicky little birds then anything bigger will be a piece of cake.
Clear Skies,
Bill L.
in Okla.Comment
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Re: FMS 800mm P-47 Center of Gravity Problem
I would agree, these 800mm planes are rapidly becoming my favorite.Comment
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Re: FMS 800mm P-47 Center of Gravity Problem
Greetings,
Has anyone had an opportunity to fly any of the newer 800mm warbirds?
Like the FW-190, BF-109, Spitfire, Tempest, etc?
If so, any improvements over the previously releases?
I've noticed that more of the 800mm Warbirds are starting to appear with 3 axis stabilizers installed.
I suppose that would take some of the pressure off the maiden.
Bill L.
in Okla.Comment
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