For questions regarding the construction and the model you can contact us at firstname.lastname@example.org. the model is subject to constant development. changes are therefore reserved. diameters of the model: length approx 455mm, width approx 200mm. scale approx 1:25 these parts make up the boat’s stand and this is how it should look like.. Please login using your username and password to use the forum. if you do not have an account please register to participate, it’s free!. The ‘springer’ design seemed to fit the bill, with a bunch of rc parts and some plywood ect. already laying around the shop i decided to give it a try. a template was made from cardstock, as per the plans i found..