Re: Coil motor Sardine Cans
- If you have Sterno where you live, it can usually be used in place of the heating tablets. Just spoon some into the tablet holder.
--- In email@example.com, Greg <kragmeister@...> wrote:
> Well, I modified Can 2 by putting the tubes out the stern at the bottom
> corner of the can so that the only real practical difference between the
> 2 Sardine Cans is the number of coils.
> It looks like with brass tubing and aluminium Sardine Cans fired with
> Esbit fuel tabs one needs more coils. The 5 coil tube boat runs more
> consistently and stronger than the 2 loop coil. The larger heating
> surface of the 5 coils must work better on some level than fewer loops.
> My thinking was that fewer loops would require less heat to run but it
> looks like I was mistaken.
> Next is to take Can 2 and replace the 2 loop coil motor with a Slater
> Harrison style pop-pop motor. My neighbor is a beer drinker so there
> are lot of cans in the recycle bin to make boilers with! Of course I'm
> now running out of Esbit tabs and can't find any in my area
> anymore...the only real hobby shops don't carry live steam stuff anymore
> and there are NO real outdoor gear places left either...<sigh>. Maybe
> I'll make alcohol burners for further experiments.
> I'm going to keep the original Sardine Can as the control for the
> experiments since it seems to work fine, which is odd for me as it was
> the first attempt.