No

The light from the flashlight moving at nSOL will move away from the flashlight at nSOL. If both nSOL (flashlight & light) are about the same, then the cone of light will not reach very far anywhere soon from the perspective of the flashlight(rider). The distance/time/length of lightcone will depend on the difference in speed. The SOL is independant of the speed of the flashlight. It wont take twice as long i think.

I dunno why.

(I dunno if its true either, it is just what ive understood lol)