This is my DR 490 which I have carried out some work on
1) a proper seat
2) a proper drain (68mm trunk)
3) A right A frame.
I am planning to put a good size tank under the seat at some stage
I have a 60 HP etec with a 13" * 19" prop with a WOT of 28-30 KN depending on load (2 up with 60-80 lt of fuel)
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Typical fuel consumption 1.5- 1.8 NM/l. I have just raised the engine by 1 hole and would expect this to improve as a result
The straps on the deck are foot straps. I fitted them last week. I find them good. There are two pairs for the main seat and one for each diver who may be sitting on the tubes at the front.