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Step 6Adding a rudder (optional )
This step involves cutting a disposable aluminium baking form, giving some sharp edges. Some care should be taken not to cut yourselves.
A rudder is not absolutely necessary. However it is required if you want your boot to go straight or make a determined curve. Without it, the boot will unavoidably make a somewhat undetermined curve. It is up to you to decide wether you bother to make rudder. You can always decide later and add a rudder at any time. Just let everything cool down before adding it after running the boat.
Print out the template below. Scale it in such a way that the shapes are 12 cm long. This is the case if you print the drawing fitting to a full A4 sheet. I also added the drawing as a pdf that should automatically print to the correct scale. I have put several shapes in the drawing to save paper when you do this for a larger group.
The shape of the rudder is not very critical. One side should be angled at about 45 degrees to fit in the boat. One long edge must be made straight to correspond to the folded sided of the rudder (see further on). The rest of the shape is chosen to make the rudder easily bendable in the middle. Making the shape symmetrical eliminates the question what way around the rudder should be mounted. Finally everything is rounded to avoid sharp point that can hurt.
Cut out the desired number of paper rudder templates and follw the video and instruction below:
From an extra disposable aluminium baking form cut a flat piece of at least 12 cm x 5 cm. With the baking forms I am using I can get 3 of those pieces out of one form. Fold the piece of aluminium along its long axis. Put a paper template on it, making sure the straight edge is aligned with the fold. Attach it by putting some clear cellotape over it. Cut out the shape. Of course you do not cut the straight side/fold.
Opening the binder clip slightly, slide in the rudder in between the fold in the boat hull, straight side down. Align rudder and tubes.
A rudder is not absolutely necessary. However it is required if you want your boot to go straight or make a determined curve. Without it, the boot will unavoidably make a somewhat undetermined curve. It is up to you to decide wether you bother to make rudder. You can always decide later and add a rudder at any time. Just let everything cool down before adding it after running the boat.
Print out the template below. Scale it in such a way that the shapes are 12 cm long. This is the case if you print the drawing fitting to a full A4 sheet. I also added the drawing as a pdf that should automatically print to the correct scale. I have put several shapes in the drawing to save paper when you do this for a larger group.
The shape of the rudder is not very critical. One side should be angled at about 45 degrees to fit in the boat. One long edge must be made straight to correspond to the folded sided of the rudder (see further on). The rest of the shape is chosen to make the rudder easily bendable in the middle. Making the shape symmetrical eliminates the question what way around the rudder should be mounted. Finally everything is rounded to avoid sharp point that can hurt.
Cut out the desired number of paper rudder templates and follw the video and instruction below:
From an extra disposable aluminium baking form cut a flat piece of at least 12 cm x 5 cm. With the baking forms I am using I can get 3 of those pieces out of one form. Fold the piece of aluminium along its long axis. Put a paper template on it, making sure the straight edge is aligned with the fold. Attach it by putting some clear cellotape over it. Cut out the shape. Of course you do not cut the straight side/fold.
Opening the binder clip slightly, slide in the rudder in between the fold in the boat hull, straight side down. Align rudder and tubes.
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