Re: Does one's size or weight affect one's Aikido?
Technique can help make up the difference between strength, speed, and size.
Strength, speed, and size can help make up the difference in technique.
I see this often in bjj. New big guys are easy to handle. Give them a few months and they quickly become challenging with just a little bit of technique because that little bit of technique is multiplied by their size and strength. Same with little fast guys.
Now what is really scary is the big, fast, strong guys with awesome technique! Sometimes it's not a either/or situation.