Evolved Fokker D.XXI

ysi_maniac · July 02, 2012, 12:56:53 PM

What if Fokker D.XXI was equipped with RR Merlin and retractable uc?
http://www.secretprojects.co.uk/forum/index.php/topic,3514.0/all.html

The big engine needs to be balanced, somehow.

PR19_Kit · July 02, 2012, 01:39:32 PM

Very plausible, go for it!

sequoiaranger · July 02, 2012, 05:51:16 PM

A Finnish version of the Fokker D.21 *DID* have retractable landing gear!!

Lookin' Good! Looking almost Italian!

Hobbes · July 03, 2012, 12:41:57 AM

Interesting!

dumaniac · July 03, 2012, 01:54:01 AM

yes - looking interesting

NARSES2 · July 03, 2012, 02:43:33 AM

Quote from: PR19_Kit on July 02, 2012, 01:39:32 PM
Very plausible, go for it!

Very much so

Quote from: sequoiaranger on July 02, 2012, 05:51:16 PM
A Finnish version of the Fokker D.21 *DID* have retractable landing gear!!

Lookin' Good! Looking almost Italian!

Yup and interestingly the speed advantage was so slight that they converted it back to the fixed variety

The Wooksta! · July 03, 2012, 02:53:59 AM

The Dutch were looking at licence building Spitfires so likely Merlins too. And replacing the Mercury with something a bit pokier wouldn't be a bad idea. All the fighters with Mercuries were pretty poor as it had sluggish acceleration - it was fine for transports or biplanes but not modern (ie WWII era) fighters.

It was pretty much the last gasp in development of a WWI engine and Bristol struggled to get extra horsepower out of it for the Blenheim V.

ysi_maniac · July 03, 2012, 08:49:01 AM

Quote from: The Wooksta! on July 03, 2012, 02:53:59 AM
... And replacing the Mercury with something a bit pokier wouldn't be a bad idea ...

Dutch even considered Daimler Benz (before German invasion, I asume) engine

The Wooksta! · July 03, 2012, 12:29:40 PM

The Yugoslavs tried the Hurricane with a DB601 so it's plausible. A Bf 110C/D/E cowling is your best bet.

marco · July 03, 2012, 01:46:12 PM

Well, i'm fan!!

it's much more that plausible and possible:
here's a scan just for discussion of "le fokker D21" from Peter de jong (translate in french, french editor Lela press:

It has been a fokker's project, merlin and/or DB 601...

The Wooksta! · July 03, 2012, 02:26:31 PM

The latter looks like a Lancaster power egg whereas the DB601 version just doesn't look right at all - the top should curve down (it does on all the single engined fighters to adopt the engine and the twin engined ones too), that's just almost flat.

Again, I'd recommend using a Bf 110 engine cowl. It may disagree with the drawings but looks intuitively 'right'