Matthew
Touchdown! Greaser!
I'm getting my feet wet with an Arrow now, my first experience with a retract.
Going through the W/B calculations, the tables have a moment arm for the gear retracting.
The CG moves aft when the nose gear retracts. The table includes that arm in the math, so it is accounted for when you calculate the CG. But, if you load the airplane so that the calculated CG is right on the FRONT of the envelope, then when the gear is extended you'll be out on the front side. It's only by less than 1/2", but it's still out.
OK - common sense will tell you not to let your load get that close to the edges of the envelope.
On other aircraft, how much of an affect does swinging the gear have on the CG? Is it usually negligible?
Going through the W/B calculations, the tables have a moment arm for the gear retracting.
The CG moves aft when the nose gear retracts. The table includes that arm in the math, so it is accounted for when you calculate the CG. But, if you load the airplane so that the calculated CG is right on the FRONT of the envelope, then when the gear is extended you'll be out on the front side. It's only by less than 1/2", but it's still out.
OK - common sense will tell you not to let your load get that close to the edges of the envelope.
On other aircraft, how much of an affect does swinging the gear have on the CG? Is it usually negligible?