simple "T" venturi...cheap and effective

how to make a simple venturi....under $2.00...OH AND CUT THE PEN (TUBE) DOWN ONCE YOU ADJUST TO ITS BEST PERFOMANCE SO THERES ONLY 1/2" OR SO STICKING OUT. see the companion demo video at ....
http://www.youtube.com/watch?v=zmd3nfunro4

Видео simple "T" venturi...cheap and effective канала Mark Castleberry