Thank you for all the inputs ,gentlemans .......... Your informations are very helpful as i'd read one of the article about the ultra Viper years ago but didn't get a chance to know what the differences between them .And i'd also saw Chris Hun flew a yellow BVM ultra Viper at the Best in the West jet event sometimes in the 90s ,the speed was clocked at almost 200 MPH with a BVM.91 and fan combo . Eversince ,i always wanted one but didn't have enough time to build back then but i'm still have a lot of favour for one until now.


Hi Maverick ...... That was someone else used the BIN option in Ebay as you'd mention ,but it was the one that i'm trying to get some research ...