which boat

How about a Sealine 215, diesels very rare but the V6 petrol should burn about 35l per hour, or you could always slow down.
Great boat, loo, sink, cooker and bed! Voila!
 
I dont think that I could spill petrol that quickly out of a bucket. Thats about £40 per hour at forecourt prices. what speed would I be doing for this QE2 like consumption.
 
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