With the PVC bow assembled, it can be plugged in using these banana clips to the power supply.
Crash does a great job explaining how to make a hotwire cutter. This technique can be used to help you make foam cores for wings and even fuselage parts from templates. Whatever your favorite model scratch building techniques are, a hotwire is the tool of choice when foam is involved. For more details of how to make your own homemade hotwire foam cutting bow, watch the videow Crash Hancock made OR see the links below.
How to build your own Hotwire Foam Cutting Wire
Foam Cutter Power Supply
Here is an example of a part that is cut using a hotwire. I used card-stock type paper as the templates. The hotwire could then simply follow the teplate and cut an extreemly precise part as seen here. Once quick tip… The cut will only be as good as the template you provide. Make sure your tempates are smooth and strong enough for the wire to follow.