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Peter Thornton

Fuel tank size on Ownership Boat

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At our recent Owners AGM we discussed the question of the capacity of the Diesel tank.

Our boat, Sunseeker, is one of the S class Pat Buckle built Ownership boats from the late 90’s.

Does anyone have any idea of the approx capacity? We are thinking around 200 litres.

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Until recently we were brought into a former Ownerships, from the same period (in fact I think we took a look at yours when we were buying), and we always reckoned on 200l.  I suspect that OS speced them all to this, regardless of builder.  But if you want to be sure, fill her up, mark the level on a 1000mm length of 12mm dowel, use her, dip and mark again, and fill her back up.  On the basis that a narrowboat tank is square sided, this will give you all the measurements you need to work it out for sure.  I.E.: divide the total depth of the tank by the measurement between the two levels and multiply by the litres it took to fill it back up.  You could also then work out how many mm equates to 20l, and notch the dowel at these distances, to give yourself a handy dipstick!

Edited by The Dreamer

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That’s what I did and (mixing units like I often do) the tank is about 10 litres per inch.

Edited by Chewbacka

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I can also cofirm that the tank volume was 200 ltrs. We had a share in a sister boat from 1999- Somnia.

 

Howard

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i'd guessed at 200 ltrs on ours by looking at similar S specced boats on the BCBM website that had tank size listed :D

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My first shareboat was an Ownerships Pat Buckle boat with a 1.4 Mitsubishi  engine and the fuel tank was big enough for at least 7 x 12 hour days.

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I ran out of diesel on one trip. We set off from Fradley and went around the four counties clockwise taking a detour up the Macc to Bugsworth. We ran out of fuel at the linear moorings at Sandon on day 12. According to canalplanner that was 185 miles so I think 200 litres is on the optimistic side. 

 

I'd guess at 160 litres. 

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19 minutes ago, Cheshire cat said:

I ran out of diesel on one trip. We set off from Fradley and went around the four counties clockwise taking a detour up the Macc to Bugsworth. We ran out of fuel at the linear moorings at Sandon on day 12. According to canalplanner that was 185 miles so I think 200 litres is on the optimistic side. 

 

I'd guess at 160 litres. 

If you had taken heed of Allen Mathews you would have been fin. " Refuel on or around the 7 th day! With Somnia we worked on 45 gallons (around 200 ltrs) and all the 0wnerships boats were designed with similar sized tanks.

 

Howard

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If we hadn't replaced the 1.8 BMC with a 2.2 Nanni I would have been fine, just!

 

I did wonder if the tank was full at the start of the holiday. 4 miles a gallon wasn't good. Normally it would do six. 

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As others have said but in English, it will be about roughly 45 gallons. My boat at present a colecracft shell has twin 25 gallon tanks so very similar.

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18 minutes ago, Cheshire cat said:

I did wonder if the tank was full at the start of the holiday. 4 miles a gallon wasn't good. Normally it would do six.

That doesn't sound 'right'

 

I have 2x 6-cylinder, 6.2 litre engines and at 5kts (5.5 miles) I use a total of 10 litres (just over 2 gallons) per hour

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It didn't seem right to me. A little under two litres an hour was normal on the canals with the Nanni. Now we've got our own boat we dip the tank to find out how much fuel we've got left but in the shared days we just assumed the jobs like refuelling that should have been done were actually done.

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