Bargain Store Project #42 Pop Bottle Propeller Polystyrene Plate Plane

In this episode I add rubber bands and a propeller to the glider I made from polystyrene plates in #34. I make the propeller out of a plastic pop bottle.

I have been asked for details of the propeller as you see in the video I did draw something on paper to give me some guidance but I just sort of guessed what shape and size looked about right. I have since measured it and it is made from a rectangle 14 cm long and 2 cm wide. Mark the centre and then trim 5 mm off the front edge of each blade and add some curves so the propeller looks a bit like a slightly squared figure eight. To be honest I am sure it is not the best and you could try other shapes to see what works best. I have seen square blades work fine, we are not building a high quality flying machine here. If you use the same plastic pop bottle I used, be ready for it to go soft and warp when you hot glue it. Initially I panicked when that happened, but then I realised I could use it to my advantage and add a good twist to the blade while it was soft.

The width and length of the plane were just based on what the biggest section was that I could cut from the plates. The coffee stirrer is 17cm long. Each wing is 15.5cm long and 6cm wide. The tail is 12cm tip to tip and 3cm wide

The main components are:
Styrofoam plate
Wooden coffee stirrer
Short length of solder or similar as a balance weight

Extra items for the propeller
Plastic pop bottle for the propeller blade
Plastic jewellery bead for the bearing
Short plastic tube - mine came from a hand wash bottle pump
Paperclip
You would get better results buying a proper propeller for small electric planes online.

Rubber power
Plastic jewellery bead for the bearing
Short plastic tube - mine came from a hand wash bottle pump
Paperclip

Tools
-
Hot Glue Gun
Hobby knife

Camera FujiFilm FinePix S4800
Editor Serif MoviePlus Starter Edition

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