Aussie BJ Posted August 5, 2012 Posted August 5, 2012 Hi All, here's my latest creation as the title suggests a 'Top Fuel Drag Car' Powered by 1 M motor and built for more Looks than speed so 8 seconds to the 4 meters is rather slow. My 7yo sons drag car creation blew my doors off but it was a lot of fun and even with a handicap I still lost! Just on 31 inches or 79cm Long Full blown, ported, polished and blue printed Chev V8 fakie! Wheelie bar to stop it from flipping and Parachutes to just stop it! Wind tunnel test rear wing for down draft! On board camera makes you wish you could shrink down and have a drive. Finally, on board shot to show the blistering RPM this thing produces. More pictures here Thanks for looking Brendan Quote
DLuders Posted August 5, 2012 Posted August 5, 2012 (edited) I like the proportions of your dragster -- they look just like the ones I have recently seen at Spokane County Raceway about 5 miles from where I live. The details are spot-on. You could possibly increase the speed by changing the gear ratio on your "upside-down" Portal Axles, and by decreasing the weight by finding a pair of the old foam-type 3740 "Tires 24 x 43 Technic" mounted on 3739 "Wheels 24 x 43 Technic". They are about the same size as the Unimog-type tires/wheels that you used. However, you would have to figure out a way of mounting those wheels onto the Portal Axle hub.... Edited August 5, 2012 by DLuders Quote
kieran Posted August 5, 2012 Posted August 5, 2012 That does look great, well done. the engine is spot on Quote
Aussie BJ Posted August 6, 2012 Author Posted August 6, 2012 Thanks for the tips DLuders I think the over all lack of speed is motor size V's weight. It comes in just under half a kilo. I did change the ratio's but it was slower off the mark for memory. When I get my hands on a large motor I will have another go at building one for speed so I'll keep those wheels and tires in mind. Thanks Keiren, I took my time with engine hence it looks similar to the real thing. I'd like to see random flames shooting out the exhaust though! Quote
kieran Posted August 7, 2012 Posted August 7, 2012 Thanks for the tips DLuders I think the over all lack of speed is motor size V's weight. It comes in just under half a kilo. I did change the ratio's but it was slower off the mark for memory. When I get my hands on a large motor I will have another go at building one for speed so I'll keep those wheels and tires in mind. Thanks Keiren, I took my time with engine hence it looks similar to the real thing. I'd like to see random flames shooting out the exhaust though! Flames would be good, but not for long... Quote
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