power issues

I recently built the FT Simple Cub and painted it. I tried taking it off and it seems that the B Motor, battery, or propeller (don't know which) is causing the airplane to not be able to take off. At first I tried to take it off, and it drove on the ground, but didn't takeoff. Then I tried to...

So I've gone and done it. I've jumped down the rabbit hole and apparently it was flooded with information that doesn't even agree with itself. A bit about me... I'm a tinkerer, a ham radio operator, a mechanic, a carpenter, and firefighter. So I have at least a basic understanding of...

I seem to have run into a snag building a bat bone tricopter i am using all recommended parts from the plans on the store except the escs are 30 amp instead of 10 or 15 amp( just what was in stock at the time) . The issue is that on a fresh charged battery all 3 motors will start spinning i can...

Hey guys, just built a baby blender with the recommended components (Turnigy plush 25amp, NTM 1200kv, 3s 2200mah 8x4 prop) And I just can't get it to take off. It seems to me like it does not have enough power or my plane is too heavy. Do you think that an 8x4 prop is too small. Is there any...