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Old 18 April 2015, 17:35   #11
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Avon FRB

I know someone with the same problem, they not designed for planning just transporting casualties on flat water. If you open the throttle it will try to fold on itself even with full pressure. He is going to be selling it soon due to this.


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Old 20 April 2015, 16:07   #12
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Originally Posted by Ribble View Post
Hi, I have recently purchased the same boat and I'm struggling to find the correct inflation pressure for the tubes.
Did you ever manage to find this out?
I have just bought a 20hp 4 stroke to go on the back of it but when I open the throttle to try and get it up on the plane the tubes start to crease at the back and the transom dips back towards the water.
I'm not sure if its because I'm not pumping the tubes up enough or because the engine is to heavy for the boat.
Pressurize it until the overpressure valves honk.

I'm not sure if it is like the ERB, but the ERB is designed to be inflated with an SCBA or SCUBA cylinder.

Typically, if your tubes are creasing, the pressure is too low.
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Old 21 April 2015, 04:19   #13
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I had a little play about with pressures yesterday and pumped it up as high as I could get it. It seems that the pressure relief valves kick in at 3.7psi and then all resealed perfectly so that them tried and tested. I then launched the boat at this pressure and I am very pleased to say that there was zero tube creasing and transom dip. She plained perfectly and handled brilliantly even in a little bit of a swell and chop.
Fair enough she hasn't got the solidness and rigidity of a rib but great fun. I came back with grin factor ten.






Just wanted to say thanks to everyone for your input, you've been a great help.
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Old 21 April 2015, 14:42   #14
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Just wanted to say thanks to everyone for your input, you've been a great help.
Glad to hear it!

I love OPVs... I really do enjoy inflating a boat with an air compressor or SCUBA tank without a problem.

Make sure you get the keel up to sufficient pressure as well, or the boat will not track properly, and the floor will have a tendency to move with the waves.

Have fun!
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