The twin O-540 - 260HP, on the BN-2 are quite thirty and not the best in term of efficiency with its 2 blades propellers. so a couple of questions :- If you install a couple of 200hp DeltaHawk Jet-a engine, plus an efficient prop from Hartzell, will the plane be able to keep the same performance as the 6-cylinders nearly 9 litres from ground to 10K feet ? And keep the same max gross weight ?- Would it be possible to adapt Wipline Amphibious Floats on the Britten-Norman ?- Without floats, are tundra tires adaptable on this plane ?- What are the possible modification to upgrade the max TOGW ?- I heard that the most efficient propeller is a single blade with a counterweight, is that true ?Ben

Nice idea! A 2 blade prop is definitely not the best. I would attach two PT6 with 4 blades. The same as the ones on the Turbine Duke. 2x 550HP are enough, or?

The twin O-540 - 260HP, on the BN-2 are quite thirty and not the best in term of efficiency with its 2 blades propellers. so a couple of questions :- If you install a couple of 200hp DeltaHawk Jet-a engine, plus an efficient prop from Hartzell, will the plane be able to keep the same performance as the 6-cylinders nearly 9 litres from ground to 10K feet ? And keep the same max gross weight ?- Would it be possible to adapt Wipline Amphibious Floats on the Britten-Norman ?- Without floats, are tundra tires adaptable on this plane ?- What are the possible modification to upgrade the max TOGW ?- I heard that the most efficient propeller is a single blade with a counterweight, is that true ?Ben

No putting a 200 hp engine would take away all performance and would be a ridiculous idea.You can make what ever you want if it is experimental or test it so you gain a supplemental type certificate.Yes the most efficient prop is a single blade but does not have the thrust needed for aircraft

Nice idea! A 2 blade prop is definitely not the best. I would attach two PT6 with 4 blades. The same as the ones on the Turbine Duke. 2x 550HP are enough, or?

A turbine conversion would be the best plan for this aircraft

Diesel conversion isn’t a bad idea…but the DeltaHawk is likely not the right engine for a 0-540.The concept strength would be sort of a down low fuel miser, where the turbine isn’t going to shine.And there’s already an Islander turbine too.There’d be a weight savings to offset the reduction in performance.Still I think intuitively it just wouldn’t be enough to get minimum performance on that airframe.There must be a ~300hp diesel out there, or in the works, that would suit an Islander.edit: DeltaHawk seems to be working on a 300hp engine. There's also a 300hp radial being developed from someone else. Don’t hold your breath ;)

Nice idea! A 2 blade prop is definitely not the best. I would attach two PT6 with 4 blades. The same as the ones on the Turbine Duke. 2x 550HP are enough, or?

You go from an old 100K plane to an 900K one, when to meaning of the post was, how to save money...

No putting a 200 hp engine would take away all performance and would be a ridiculous idea.

The big problem, is there no specs on the 6 cylinders turbo "diesel" Delta Hawk yet. Even it they are developing it.With this modification, you can save a lot of money

And there’s already an Islander turbine too.

Way too expensive, in cost, fuel and repairI'm comparing the duke over the T duke here

There must be a ~300hp diesel out there, or in the works, that would suit an Islander.

Hope so, With cheaper Jet-A, lower consumption and "maybe" an increased of max TOGW, it could tranform it self, in a very attracitve small crago plane

There must be a ~300hp diesel out there, or in the works, that would suit an Islander.edit: DeltaHawk seems to be working on a 300hp engine. There's also a 300hp radial being developed from someone else. Don’t hold your breath ;)

Centurion Aircraft Engines (Thielert) makes the Centurion 4.0 diesel that is currently STC'd for the T206 and SR-22 and produces 350HP. It is the STC replacement option for the IO-540. I read Centurion hopes to have STC's for 400 series piston Cessna's and the Duke within the next year. So take the Centurion 4.0 and add MT propellers then you are set. Fuel and weight savings.

There's also a 300hp radial being developed from someone else.

A diesel radial? That's interesting!

Centurion Aircraft Engines (Thielert) makes the Centurion 4.0 diesel that is currently STC'd for the T206 and SR-22 and produces 350HP. It is the STC replacement option for the IO-540.

What do you guesstimate the range of a Mooney Ovation 2GX would be with this engine? 3,300 NM? That's like L.A. to Tokyo with one stop (and 30 hrs.)!Cheers,- jahman

So take the Centurion 4.0 and add MT propellers then you are set. Fuel and weight savings.

That's for sure 4.0 litres against 9.0.The downside would be the price for the adaptation, I'm thinking 125-150K per engine.And how about certification with it and the BN-2 ?

it would also be a good idea, to make further modification

it would also be a good idea, to make further modification

You might want to sweep the horizontal stabilizer as well. Is this mod available for the C-150 as well?Cheers,- jahman.

What do you guesstimate the range of a Mooney Ovation 2GX would be with this engine? 3,300 NM? That's like L.A. to Tokyo with one stop (and 30 hrs.)!Cheers,- jahman

It is possible since the Centurion has been giving 20-30% increase in range. So I could see 3,100nm in a perfect world. Question is could you last that long?

Question is could you last that long?

Lindbergh did a non stop for 33.5 hours on the saint louis, but it was a time without ATC and MAJOR traffic.About the Mooney, with 4 pilots on board, it could be safely done.And what about the other question :- Would it be possible to adapt Wipline Amphibious Floats on the Britten-Norman ?- Without floats, are tundra tires adaptable on this plane ?- What are the possible modification "to the frame" with bigger engine to upgrade the max TOGW ?- And one more, From feathering to reverse, would it be possible on a piston plane ? Thanks

Lindbergh did a non stop for 33.5 hours on the saint louis, but it was a time without ATC and MAJOR traffic.About the Mooney, with 4 pilots on board, it could be safely done.And what about the other question :- Would it be possible to adapt Wipline Amphibious Floats on the Britten-Norman ?- Without floats, are tundra tires adaptable on this plane ?- What are the possible modification "to the frame" with bigger engine to upgrade the max TOGW ?- And one more, From feathering to reverse, would it be possible on a piston plane ? Thanks

Like I said before anything is possible if you have the money to pay for it.