I love your iterative design approach to re-engineering designs from first principles. I think the fan in this design is pulling most of the air from the rear when it lifts off the surface which would slow down the vehicle. Regarding the fixed-wing design, a problem with large diffusers is that they can stall if there is not enough incoming air through the throat. To prevent this, speed up the air at the throat or let more air through by increasing the height.
When you were wondering if the fan was turning on appropriately, I thought, "they should put an LED on there and we could know for sure!" Then immediately you installed the LED. I can't describe how happy I was in that moment.
@tiagobelo4965
7 ай бұрын
I wonder if the design could be improved by having a microswitch with normally closed and normally open outputs that disconnects the drive motors and connects the fan motor, maybe it could be activated by the machine lifting off the ground (though I suspect it might bounce a little on the track joining points)
I enjoy the way your projects evolve through the video, and your willingness to try unusual ideas and really push those ideas as far as you can always makes it fun to watch. I am not an aeronautics engineer so i have no idea what forces may be at play here. Simply basing off the large time and speed difference with the fan covered and uncovered; there is a very strong suction force being created with the fan covered, this doesnt explain why you dont go much faster with the fan off in that same configuration unless the fan is not needed to create this large downforce in that configuration (something i would also find very odd). Possibly the void in the center of the car is causing a very low pressure area that is creating suction? Again i dont know. When the wing is placed in the rear of the vehicle maybe it is effectively seperating the upper and lower air pressures? I have no clue why this would have such a huge effect on performance. My guess is that there must be some kind of interaction with the different air pressures taking place at rhe rear of the vehicle, possibly vortices being created? I wonder what the result would be if you had your "hi" mechanism and the rear seperation diffuser both installed if it would remain as fast as without the "hi" mechanism or would it slow to the same as without the rear diffuser? How do we get you a wind tunnel and a high speed camera. The way your experiments create new questions and ideas while answering previous curiosities is what i find truly great about your channel. Thank you for not being afraid to explore any concept no matter how small and insignifigant some may seem and thank you for including all the ideas and experiments that didnt work because those are some of the most interesting things is seeing what doesnt work. Your ingenuity in the solutions you create is very impressive and i feel that eventually with the right combination of things you have learned from all your experiments you will achieve a world record and even discover and learn things that will end up helping people all over the world.
@ADRRWS
7 ай бұрын
Wow 1.78 amazing 😲
@xnain99
7 ай бұрын
技術力すげー
@gianluca5095
7 ай бұрын
Congratulation for your new record! 🎉 The difference of timing can be caused from the battery pack that you used for the car, lipo batteries are unstable and not every recharge is the same, the battery charger also has to be high quality for having good results. I also suggest you to keep the battery in a safety box cause it could overheat and take fire, be always in the room when you recharge it for checking. I relly like your channel ! See you from italy😊
Пікірлер: 516