o wells.. ive decided to update.. haha.. just to post some of my latest crazy projects.. haha.. n show my genius=))

1) hover craft mach II




well.. madeline (my sis, for those who dunno) yea.. her physics tchr asked if anyone knew how it worked kinda thing. haha. then she told the tchr tt i ve made afew b4. so tchr asked is can bring to show the class.. well.. since i dismanteled the previous ones.. i threw together another one.. more simple.. smaller.. but well.. got afew changes

1.1) i changed the intake fans... cos well.. impellers more efficient than fans in terms of keeping pressure like this...plus.. these are ALOT lighter n doesnt nneed a HUGE battery to run it.. haha.. gonna use these for the intake for the jet engine too.. haha.. cos fan cannot blow thru pipes..

1.2) this one has no skirt.. well.. cos the shape of the hull works fine enuf (exp on water where air escapes unevenly).. i would have put a skirt but i din wanna spend too much time on it... haha..

1.3) there are no trust fans on this one.. so it cant move on its own.. haha... cos since my sis only wanted a working model.. haha.. din wanna spend too much time on tt either.. besides.. it might have been too heavy n off set the balance... which would need even more time to set rite haha

well.. tts most of it... haha... i would have used 3 intake fans if i could find the 3rd one.. haha.. but i kinda misplaced it.. so i gtg look for it.. haha.. i think if i had 3 fans.. then i d be able to put on the trust fans easily.. haha.. 2 just makes it.. im amazed it still floats with the batteries actually... the fans r really quite good. haha

i would have only needed <30 min to put it together if i din have to repair the 2nd impeller... (tts y one of them has a piece of wood on it)  yea.. took me abt an hour to fix it.. cos needed to measure the size.. height.. blah blah... then piece it together.... haha... after tt.. well.. its was really easy.. glue the things on.. do the wiring.. then seal up the leaks with plastic ( the yellow things) then just cross my fingers n hope my estimation was correct.. haha. n IT WAS!!! haha. so tt was good...  then finally  my work gets to be seen by someone=)) haha


2)



ermz.. this mes of piping is wel.. supposed to be a jet engine.. haha.. the huge copper pipe is combustion chanber.. then the smallest pipe is for fuel.. dunno wad to use yet though.. then the middle sized pipe is for air.. which will be pumped in using fans. haha..

the fuel.. well.. if i use butane.. then will be easy.. just use the compressed cans for the steam boat thing.. haha.. but the if i decide to use liquid.. like kerosine or something.. it should.. theoretically be more efficient...  then ill need to make a tank to n a way to presurise it so the fuel comes out.. haha..  preference is to butane cos its easily available... n easier to use.. haha... though i think ill still end up using kerosine.. haha... well.. really depends on how the testing goes))

the air intake is a big problem.. haha.. cos well.. initially was supposed to use compressed gass.. but compressed gas is v short lived.. haha.. like.. at most i only got 15 seconds.. haha... then decided to switch to the huge fan i have.. but.. it does create pressure enuf.. so well. i think ill have to use the fans ive been usiing for the hover craft... impellers. yea.. either i remove the blade n put on a faster motor.. or i just use afew of them.. i think ill do the later.. haha.. then c wad happens.. it should work.. if it doesnt.... well.. back to crazking my head for more ideas.. but i seriously hope it works.. haha.. cos the only other alterative i have is v ex.. haha..


other than tt.. the other prob was joining the pipes.. well.. i drilled holes in the pipes.. then i nneeded a way to either weild it together or make a really good fit.. then like.. one nite.. haha.. i remembered tt i saw "epoxy steel" in some shop.. well. its basically an adhesive tt comprises of steel powder n other stuff.. so went to looks for it.. haha.. yea.. luckily itaa also heat proof.. so i used tt.. haha.. the instructions said it can take up to 25Kg/cm^2 of tensional force.. kind a good.. haha.. well.. to i "glued" the pipes together using tt.. yea.. now its drying.. i think 2moro ill do the testing. haha..


the last, n most pressing problem, is tt all the pipes cant really take heating v well.. haha.. so it can only be on for <20-30 seconds.. haha. depending how. haha. but well. if it works.. i go get better materials i guess.. haha..


well.. i gtg sleep now.. so late liao.. n the hols passed so fast.. well.. back to sch for me=) haha.. nitez =))