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Dutch Model 139

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old hoodoo - 25 Feb 2006 14:31 GMT
Anyone ever seen a model 139 (US B-10) built to the Dutch specs? Not
sure if any model of this combat aircraft has ever been offered but
surely someone would have bashed one....but I don't find one on the net.
 :-(

I just ran across some great pics of a Dutch 139
including the detail shot of that ultra long canopy including shots of
the upper and lower surfaces....Olive Drab and Med green (approximation)
and silver dope underneath. Triangles on fuselage and lower wing only.

http://home.st.net.au/~dunn/raaf/moth/motheaton.htm

Also some great early 1941? natural metal B-17C pics at same cite.

Does anyone know the reason the Dutch opted for all that
glass?
Greg Heilers - 25 Feb 2006 17:33 GMT
> http://home.st.net.au/~dunn/raaf/moth/motheaton.htm

Vey cool!  What is the latest news on the once-rumored-
and-many-times-confirmed resurrection of Williams Bros.?
I would love to do a B-10; as well as some intriguing
civil C-46's I have run across...

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The Old Man - 25 Feb 2006 18:03 GMT
> What is the latest news on the once-rumored-and-many-times-confirmed
> resurrection of Williams Bros.?

Is there another mon-kee alert going out?
Bill Shatzer - 26 Feb 2006 00:30 GMT
>>http://home.st.net.au/~dunn/raaf/moth/motheaton.htm

> Vey cool!  What is the latest news on the once-rumored-
> and-many-times-confirmed resurrection of Williams Bros.?
> I would love to do a B-10; as well as some intriguing
> civil C-46's I have run across...

IIRC, the problem with the C-46 kit was that one fuselage half was about
a quarter inch shorter than the other.  Big problem, that.

Or, maybe that was the Boeing 247 kit.  I remember trying them both and
ultimately leaving both unfinished as their problems were beyond my then
abilities to cope with.

Proally beyond my now abilities as well.

Cheers,
Mad Modeller - 26 Feb 2006 05:19 GMT
> >>http://home.st.net.au/~dunn/raaf/moth/motheaton.htm
>
[quoted text clipped - 13 lines]
>
> Cheers,

It must have been the 247 as I built a C-46 and do not remember that
problem.  I didn't care too much for the rubber tires in the kit and
made use of the hard plastic ones.  IIRC, the rubber ones are still here
in the parts box, separated because of their possible effect on styrene.

Bill Banaszak, MFE Sr.
Bill Shatzer - 26 Feb 2006 00:23 GMT
> Anyone ever seen a model 139 (US B-10) built to the Dutch specs? Not
> sure if any model of this combat aircraft has ever been offered but
> surely someone would have bashed one....but I don't find one on the net.

Well, certainly the Williams Bros 1/72 scale B-10 kit is adequate
(though a bear to build!) for the initial 139WH-1 and -2 Dutch orders.
No one makes a model of, or a conversion kit for, the long canopy
139WH-3 version so far as I know.

> I just ran across some great pics of a Dutch 139
> including the detail shot of that ultra long canopy including shots of
> the upper and lower surfaces....Olive Drab and Med green (approximation)
> and silver dope underneath. Triangles on fuselage and lower wing only.

> http://home.st.net.au/~dunn/raaf/moth/motheaton.htm

> Also some great early 1941? natural metal B-17C pics at same cite.

> Does anyone know the reason the Dutch opted for all that
> glass?

Presumably to get a better drag coefficient[1] and to make crew
communication easier.  I'm guessing though.

[1] One long bump is less wind resistance than two shorter bumps.

Cheers,
old hoodoo - 26 Feb 2006 02:32 GMT
>> Anyone ever seen a model 139 (US B-10) built to the Dutch specs? Not
>> sure if any model of this combat aircraft has ever been offered but
[quoted text clipped - 24 lines]
>
> Cheers,

Bill:
     Do you know how many of the different Dutch variants are built,
that is the , 1, 2, and 3?
old hoodoo - 26 Feb 2006 02:34 GMT
Sorry, never mind, just found it. 78 or so of the long canopied
139's were built.

>>> Anyone ever seen a model 139 (US B-10) built to the Dutch specs? Not
>>> sure if any model of this combat aircraft has ever been offered but
[quoted text clipped - 28 lines]
>      Do you know how many of the different Dutch variants are built,
> that is the , 1, 2, and 3?
Bill Shatzer - 26 Feb 2006 04:48 GMT
-snip-

> Bill:
>      Do you know how many of the different Dutch variants are built,
> that is the , 1, 2, and 3?

So far as I know, that's it. 39 139WH-1s and -2s combined and 82 139WH-3s.

The -2s differed from the -1s only in some minor internal details.

The 139WH-3s came in -3 and -3A flavors but I'm not sure of the
differences, if any. I suspect the differences were, again, only in
minor internal details.

Cheers,
William H. Shuey - 26 Feb 2006 06:55 GMT
> -snip-
>
[quoted text clipped - 11 lines]
>
> Cheers,

Umm! I have a problem here. I don't remember any 139-3, and the long
canopies aircraft for the DEI was the Martin model 166. You might want
to look for that book on Martin aircraft by Stan Piet & friends.

                          Bill Shuey
                        ex Martin employee
maiesm72@netscape.com - 26 Feb 2006 07:58 GMT
The very long canopy on the Dutch 139s had something to do with tulips,
IIRC.

Tom
William H. Shuey - 26 Feb 2006 21:09 GMT
> The very long canopy on the Dutch 139s had something to do with tulips,
> IIRC.
>
> Tom

Wiseguy!!   :-)

        Bill Shuey
Bill Shatzer - 27 Feb 2006 01:37 GMT
>>-snip-

>>>Bill:
>>>     Do you know how many of the different Dutch variants are built,
>>>that is the , 1, 2, and 3?

>>So far as I know, that's it. 39 139WH-1s and -2s combined and 82 139WH-3s.

>>The -2s differed from the -1s only in some minor internal details.

>>The 139WH-3s came in -3 and -3A flavors but I'm not sure of the
>>differences, if any. I suspect the differences were, again, only in
>>minor internal details.

> Umm! I have a problem here. I don't remember any 139-3, and the long
> canopies aircraft for the DEI was the Martin model 166. You might want
> to look for that book on Martin aircraft by Stan Piet & friends.
>
>                           Bill Shuey
>                         ex Martin employee

'Cording to the listing provided by the Glenn Martin Aviation Museum,

http://www.marylandaviationmuseum.org/pdf/Models.pdf

the NEI export aircraft had the Martin Model Numbers 139WH-1, 139WH-2,
139WH-3 and 139WH-3 -with- the proviso that the -3 and -3A models carry
the parenthetical notation "Model 166".

Scrolling down to the Martin Model Number 166, it says "Twin engined
export bomber (production 139WH-3s) - cancelled".

What to make of that exactly, I'm not sure. It does appear that the long
greenhouse version of the aircraft may have carried two Martin
designations - both 139WH-3 (and -3A) -and- 166.  Perhaps the
designation was changed sometime in the process - maybe they started out
as 139WH-3s and the designation was changed before delivery. Though the
"cancelled" notation on the Model 166 listing at least suggests the
possibility that perhaps the Model 166 designation was a proposal for a
follow-on version of the aircraft which was ultimately not taken up by
the Dutch government.

In any event, clearly there -was- a 139WH-3 and 139WH-3A designation
used for the aircraft sold to the NEIAF. It seems likely that the Model
166 designation was also correct as well although what the exact
relationship between the Model 139WH-3 and the Model 166 designations
was remains unclear.

Perhaps you can add something by way of clarification?

Cheers,
Mad Modeller - 27 Feb 2006 04:26 GMT
I don't think it'll be a clarification but "Combat Aircraft of the
World" has a picture of the plane with the extended greenhouse captioned
as 'Martin 166'.  John W.R. Taylor is listed as the editor and compiler.

Bill Banaszak, MFE Sr.
Meindert - 28 Apr 2006 09:25 GMT
Dutch Neth East Indies AF ordered Feb 1936  WH-1 type aircraft [WH
means Wright Holland] . It has Hamilton standard props.
On Sept 2 1936 the first WH-1 of 13 planes was delivered to East
Indies.

The more powerfull WH-2 was also ordered in March 1937.  
It had Wright Cyclone G-3 engines of 875 hp with new  Curtiss Electric
‘constant speed’ propeller. Engine cooling was streamlined and
improved. It also had a  NSF VR-34B short wave radio and an autopilot.
WH-2 speed was about 25 miles/hr higher, 10% longer range and 20%
larger bombload.  
First WH-2 , no M-514 was delivered Dec 1937. In Oct 1938, 39 planes
were delivered.

The " Martin 139" was developed into the Martin 166, also called the
139 WH-3.
It had the long single canopy and the fuselage was bigger in cross
section. The outboard wing had a slight sweep angle and new engines
were used:   Wright Cyclone GR-1820-G5 .

Dec 1937 the NEI ordered  39 WH-3’s. First acceptance took place May
1938, plane no. M-540.

The WH-3A was also a variant, being identical to the WH-3 but with
Wright Cyclone R1820-G102 engines of 1200 hp  ;
First delivery of the WH-3A was Dec 1938 , no M-579

regards,
Meindert
Amsterdam, The Netherlands
 
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