George
An .051 won't fly a Jr. Streak very well in my opinion. The jr streak has a mighty thick wing for anything much under a .15 size engine and a 7" dia. prop. A small diesel can swing a 7" prop OK, but a glow .051 won't do it very well. Even at 10 oz all up weight that .051 is going to be blowing it's brains out trying to move that big thick wing around the circle. Just my opinion for what it's worth.
