[Score: 5/10] 28"/4500g Graemsay Twin Propellors (3 Blade 40mm) Direct Drive to a Mtroniks 600 (3 Blade) Powered by Lead Acid (6v) 7Amp/h Batteries - Comments: I am about to start building this model of an existing Orkney Island ferry - due to be in service until 2025. Photo is of the real vessel in its short form, it has now been lengthened by 4.5m.
[Score: 9/10] 28"/10000g Al Khubar 2 Capable of 3mph and a runtime of 120mins Twin Propellors (4 Blade 50mm) Geared to a Torpedo 500 (4 Blade) Powered by Lead Acid (6v) 7Amp/h Batteries - Comments: This is a Model Slipway kit of a series of 3 tugs built in 1976. In 1977 she struck a submerged object and sank but was subsequently salvaged. Last known Lloyds record was in 2002 being operated by Grandi Lavori – Fincosit S.p.a. Genova. Al Khubar 1 was destroyed in 1990 in the Iraq/Kuwait conflict. Al Khubar 3 is still operating, having been convered to tug/dredger working under the name of Flat Holm.
[Score: 8/10] 29"/5000g M.V. Conserver Capable of 3mph Single Propellor (3 Blade 45mm) Direct Drive to a Electronize 545-12 (3 Blade) Powered by NiMH (6v) 4Amp/h Batteries Controlled Through Mtroniks Viper 15 ESC - Comments: Model Slipway kit of a full size buoy maintenance/survey vessel still working out of Leith harbour, Edinburgh. Maiden voyage took place a week ago, it still needs work to finish it. It performed really well with a very tight turning circle. Further testing shows a more realistic speed using a 6volt power source instead of the original 7.2volts.