ORIGINAL: speedracerntrixie
ORIGINAL: Gray Beard
ORIGINAL: SeamusG
An object in motion stays in motion unless acted upon by another force. The lighter the object the smaller the force necessary to affect change in direction. Conversely, the heavier the object the larger the force necessary to affect the same change in direction. What force? Wind.
Yea, there is a point of diminishing return - unless you ask a Mercedes Benz engineer about their Golden Era race cars.
NOt only good questions but good answers!!!!!!!!!!!!!!!! I can see speed has never read the thread on the CG Extra and saw the normal weights for one of the best flying 60 size planes ever made. Worth the read isn't it!!
I have never seen a CG Extra powered with a .60. I had one with an OS 108 and power was good but it suffered from typical conditions of an overweight airplane. Snaps were sluggish and difficult to stop. Rolls on the vertical ( point rolls and snap rolls ) were difficult as the airplane lost speed quickly. At that time the airplane weighed 8.5 lbs. The 1/4 scale Lanier Laser I had after the GC Extra weighed 7.25 LBS and was powered by the same engine. Performed much better. Not sure how much I buy into the wind effecting a heavier airplane less as when in flight the airplane only sees airspeed and terminal velocity at any power setting remains the same. We see it differently because we are set firmly on the ground and it's the ground speed that we see. I tend to change props ( less dia. more pitch ) when I fly IMAC in windy conditions so that I can fly upwind at a higher airspeed as to make the airplane APPEAR to fly constant speed regaurdless of wind .
As far as wind causing the airplane to change heading, its usually turbulant wind that can be somewhat avoided by flying higher. Some airplanes do what I call wind dampen better then others.
Read the thread. Most the CG Extras are powered with 1.20 four strokes and come in between 11 to 13+ pounds. Your also the first person I have heard say it was sluggish in anything. I have never seen anyone try to power the plane with a .60 either. Back in the days before 40% planes the CG Extra was one of the planes of choice for IMAC flying so it must do something correctly even if it is a heavy weight. I have also never heard anyone try to compare A stinger to an Extra. As much as I like the stinger I prefer the Hots. Sort of an apples and oranges thing.