PPRuNe Forums - Search Results

Search: Posts Made By: DHfan

Showing results 1 to 10 of 10
Search took 0.00 seconds.

Forum: Aviation History and Nostalgia

30th Apr 2024, 12:58

Replies: 46

Kermit Weeks Napier Sabre

Views: 6,831

Posted By DHfan

Couple of pictures on the Key.Aero/FlyPast...

Couple of pictures on the Key.Aero/FlyPast forum...

https://www.key.aero/forum/historic-aviation/hawker-tempest-incoming-florida-sywell

Forum: Aviation History and Nostalgia

13th Apr 2024, 08:52

Replies: 46

Kermit Weeks Napier Sabre

Views: 6,831

Posted By DHfan

Frank Halford obviously gave Napier ideas. This...

Frank Halford obviously gave Napier ideas. This is the gear train for a Napier Deltic engine.
Nothing to do with Halford actually, it was developed from a Junkers opposed-piston design.

For those...

Forum: Aviation History and Nostalgia

19th Mar 2024, 17:45

Replies: 46

Kermit Weeks Napier Sabre

Views: 6,831

Posted By DHfan

I agree it seems unlikely, but I'm only repeating...

I agree it seems unlikely, but I'm only repeating what was posted, eight years ago, and it's not a user name I recognise although he was a regular poster,

He also said the civil Merlin TBO was...

Forum: Aviation History and Nostalgia

18th Mar 2024, 18:23

Replies: 46

Kermit Weeks Napier Sabre

Views: 6,831

Posted By DHfan

I found an ancient post on the FP forum which...

I found an ancient post on the FP forum which said the oil for the Centaurus was AeroShell 100 U, apparently specially formulated for the engine.
One squadron or flight used OMD-270 instead in the...

Forum: Aviation History and Nostalgia

15th Mar 2024, 15:19

Replies: 46

Kermit Weeks Napier Sabre

Views: 6,831

Posted By DHfan

As Jhieminga, stated, it's an early Centaurus. ...

As Jhieminga, stated, it's an early Centaurus.

If an aeroplane is designed for 2000+hp, it's hardly likely to be fitted with an engine with around a third of the power.

The same picture is in...

Forum: Aviation History and Nostalgia

14th Mar 2024, 00:27

Replies: 46

Kermit Weeks Napier Sabre

Views: 6,831

Posted By DHfan

Dropped?

Dropped?

Forum: Aviation History and Nostalgia

12th Mar 2024, 00:31

Replies: 46

Kermit Weeks Napier Sabre

Views: 6,831

Posted By DHfan

I've no idea of how many miles I did now but I...

I've no idea of how many miles I did now but I used to buy a 99p gallon of oil a week for my 1962 Vauxhall Cresta.

So far, I think you've got the winner.

Forum: Aviation History and Nostalgia

5th Mar 2024, 10:51

Replies: 46

Kermit Weeks Napier Sabre

Views: 6,831

Posted By DHfan

Yes, it's a particular grade of AeroShell, which...

Yes, it's a particular grade of AeroShell, which Shell will make, but understandably there's a minimum order of about a grillion* gallons.

It seems that in theory a specified substitute is...

Forum: Aviation History and Nostalgia

5th Mar 2024, 10:07

Replies: 46

Kermit Weeks Napier Sabre

Views: 6,831

Posted By DHfan

I had a '62 Vauxhall Cresta that used nearly as...

I had a '62 Vauxhall Cresta that used nearly as much oil as petrol.

I've just remembered the first time I ever heard of a sleeve-valve engine. It was in the middle sixties and an article in Motor...

Forum: Aviation History and Nostalgia

5th Mar 2024, 08:48

Replies: 46

Kermit Weeks Napier Sabre

Views: 6,831

Posted By DHfan

I would guess that all sleeve-valve engines are a...

I would guess that all sleeve-valve engines are a bit oily with effectively twice as many cylinder oil films required. One between the sleeve and the block and another between the piston and sleeve.

Showing results 1 to 10 of 10