1/5th Merlin engine

[adetuono]

Hope this isn't a re-post. I'd put this up there with that French Ferrari....

www.enginehistory.org/merlin_xx.htm

[yertis]

That is the most impressive bit of modelling I've seen for ages. It even sounds like a Merlin.

[Nick_F]

That's extraordinary.

[apache]

wonderful

[ehasler]

Amazing! That's a very impressive bit of work

I was actually looking to buy a (smaller) scale model of a Merlin recently, having seen one a couple of weekends ago (along with a full size one), but haven't been able to find any affordable ones so far.

[VistaViewer]

Here's a 1/4 Scale working Merlin V-12...

...available in a kit of castings and machined pieces:

http://dynamotive.netfirms.com/merlin

I stumbled across this site while searching for a 1/8 scale Merlin to use in an Unlimited Hydroplane model project. I haven't found it yet so I'll just keep looking. But I'll share a little of what I've found.

Some info links about Hydros, that use the Merlin, of course.

www.thunderboats.org/

www.newtonmarine.com/ (also has plans for Allison and Merlin, along with many Hydros)

www.scalerc.com/fgraph.htm (and get your Decals here)

Of course, everything is in 1/8th scale, so you see my dilemma.

Anyone know of a 1/8th scale workimg Merlin, built or as a kit?

VV

[simpo two]

What scale would it need to be to fit in a TVR Griffith?!

[Mr Whippy]

simpo two said:

What scale would it need to be to fit in a TVR Griffith?!

A half scale would be ~ 5.2 litres

That 1:5 is amazing really, it would be awesome in an RC model! (guess it's been done??)

Dave

[cptsideways]

Imagine that engine in a kit car! cool or what - ok maybe a bit gigger

[mybrainhurts]

cptsideways said:

Imagine that engine in a kit car! cool or what - ok maybe a bit gigger

Imagine it in a model Spitfire....holy kipper!

Doesn't sound like a Merlin (first examaple), maybe would if it had scale exhaust stubs instead if the manifold....

[gopher]

mybrainhurts said:

Imagine it in a model Spitfire....holy kipper!

I can't, I'd keep imagining me crashing it!

[mrmaggit]

That is 1% work.

Made by the top 1%.

Absolutely stunning.

And VERY humbling.

[mybrainhurts]

[mybrainhurts]

Mr Whippy said:

simpo two said:

What scale would it need to be to fit in a TVR Griffith?!

A half scale would be ~ 5.2 litres

13.5 litres, isn't it...?

[Zad]

Don't forget that when you half the linear size, you have to halve each x/y/z dimension. So a half sized engine only has 1/8th the swept volume.

27/8 = 3.375 litres
ballpark 1000hp -> 125hp

Sounds a bit disappointing in those terms doesn't it?

[r988]

Zad said:

Don't forget that when you half the linear size, you have to halve each x/y/z dimension. So a half sized engine only has 1/8th the swept volume.

27/8 = 3.375 litres
ballpark 1000hp -> 125hp

Sounds a bit disappointing in those terms doesn't it?

Merlins put out a lot more than 1000bhp by the end of the war. Also remember that it's relatively low revving and kept a fairly constant speed in an aero plane compared to a car, it has superchargers but they are there to restore power at altitude rather than add performance at low altitude (apart from some modified examples).

A V12 of that capacity built to F1 specs, ie quadrupling the rev range from 5000rpm to 20000rpm could probably knock power back up to 1000bhp (for a short while ). But if did want to put a V12 engine in your car you may as well just source an Ex F1 engine, it will be lightyears ahead in technology, already designed and available, vastly lighter and designed for a car anyway.

[donteatpeople]

mybrainhurts said:

Imagine it in a model Spitfire....holy kipper!
....

or a Lancaster