Solar Boat

[vickysan007]

Hi! I need help. I am 15 years old. I am going to represent my school in a mini solar car and mini solar boat competition. I have no problem in building a solar car as I have already built one and won 2nd place in a competition. On the other hand, I have never build a solar boat and don't know how to build one. Can any of you help me??? Maybe create a video on building a solar boat pls.....

[kl84]

what's the requirement of the competition? the boat must be hand made?

[vickysan007]

it should be made by hand and only use 1 motor and 1 solar cell.... It needs to go straight and be the fastest to win the race>>>
pls help... especially on the chasis as i have no idea on how to do it

[kl84]

May be you can try to use polystrene and cut the shape of a boat out. Basically it will float on water no matter it's in any shape. The propeller also need to be hand-made? If not, just get one from any boat toy.

[vickysan007]

The propeller must be hand made... that's 1 of my main problems

[ober]

The propeller must be hand made... that's 1 of my main problems

Ya.... that is quite challenging

Maybe can try using aluminium cover on Milo, there should be a round aluminium on top of Milo container. I use that as wind turbine when i was kid With some glue or maybe fastener, you should be able to mount it to motor.

Good luck, do show us the result.... nice or bad is OK, important is you learn something.

[yonghui]

hi,


i used to build this way.
alumnium can from coke. cut into shape. careful punch a hole for the shaft. use suitable size cylinder rod hit hard on the aluminium piece placed on wood will create a good shape round shape hole.

then get lollipop plastic rod/stick which has hole in the middle. pass through the hole on the alumminium. use a lighter to melt the plastic to the aluminium. apply some superglue if needed after that. need lollipop plastic rod with hole because the motor shaft can go through the the lolllipop rod and is mounted that way to the motor. see picture below for clearer understand of my idea. if the aluminium is too soft, can try use can of canned food, but tat is really hard. need careful when cutting with scissors.

[img]<table%20style="width:auto;"><tr><td><a%20href="https://picasaweb.google.com/lh/photo/WpeR-ZhrWXH9UvAVXELHzeBRG7KLT-1LDvkuhSAuzkk?feat=embedwebsite"><img%20src="https://lh4.googleusercontent.com/_tX048BHzo5I/TXGeTkeUlLI/AAAAAAAAAB4/skYlj6PkFT4/s144/prop.JPG"%20height="63"%20width="144"%20/></a></td></tr><tr><td%20style="font-family:arial,sans-serif;%20font-size:11px;%20text-align:right">From%20<a%20href="https://picasaweb.google.com/inghui.hii/Prop?authkey=Gv1sRgCOjFqvOh0M2Vaw&feat=embedwebsite">prop</a></td></tr></table>[/img]

[img]<table%20style="width:auto;"><tr><td><a%20href="https://picasaweb.google.com/lh/photo/MksfOr0hJGaHZtE8R85JH6nL-lYZWXreo3que55VDD8?feat=embedwebsite"><img%20src="https://lh4.googleusercontent.com/_tX048BHzo5I/TXGhMOci4bI/AAAAAAAAACE/C4QpUHWHtwI/s800/prop_motor.JPG"%20height="134"%20width="115"%20/></a></td></tr><tr><td%20style="font-family:arial,sans-serif;%20font-size:11px;%20text-align:right">From%20<a%20href="https://picasaweb.google.com/inghui.hii/Prop_motor?authkey=Gv1sRgCKCl7q-P3KbnpAE&feat=embedwebsite">prop_motor</a></td></tr></table>[/img]

[yonghui]

dont know how to emded the picture. just click the link lo.

[ABSF]

The "Img" doesn't accept pictures in BMP format. You'll have to convert them to JPG first then attached them as files.

Allen.

Like this:

[kl84]

yonghui,

Allen's method is one way of doing it. If you want to use [img], you cannot paste the link for picasa page. It only accept link with ".jpg" at the back. So you can right click on the image in picasa page, then copy image URL. That's the link that'll work for [img]

Eg: