Ok, first off, I didn't even seal my gaps. If you install the hinges correctly, you shouldn't need to.
To install CA hinges properly, read this:
[link=http://www.rcuniverse.com/magazine/article_display.cfm?article_id=55]Installing CA Hinges[/link]
As for the Smoke system, Here's the article I wrote about it:
[link=http://www.rcuniverse.com/magazine/article_display.cfm?article_id=455]Got Smoke?[/link]
On the skybolt, there is an open space below the tank and forward of the landing gear that is covered with balsa. HERE is where you can do a Mod... Build a hatch there. It is the perfect place to mount the smoke pump.
Here is the Smoke pump I use:
[link=http://www.jcwhitney.com/autoparts/ItemBrowse/c-10101/s-10101/p-100000214127/mediaCode-ZX/appId-100000214127/
Pr-p_CATENTRY_ID:100000214127]Windshield Washer Replacement Pump[/link]
It is a 12v pump, but it works fine on a standard 4.8v pack
Since I'm using a YS engine (Which has a fuel pump) I set the Fuel Tank back in the radio compartment, and put the oil tank where the fuel tank would normally be.
LMK if you have any other Q's