Author Topic: Orchard Studios  (Read 4013 times)

Offline Ghost Rider

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Re: Orchard Studios
« Reply #25 on: June 05, 2019, 04:43:13 PM »





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Re: Orchard Studios
« Reply #26 on: June 06, 2019, 01:45:15 AM »
I like.  Fuel might be a problem though as you appear to be eating not the tankage - see below:

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Offline elmayerle

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Re: Orchard Studios
« Reply #27 on: June 06, 2019, 02:20:50 AM »
Would probably need to go to a wet wing with suitable protections if you're filling the fuselage tank space with other things.  Even then, I'm not sure you would make up the difference.

Offline Ghost Rider

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Re: Orchard Studios
« Reply #28 on: June 07, 2019, 05:00:01 PM »
If it was extended slightly towards the rear, I calculate that bout 1/3 of he fwd would be lost to create the additional navigator station and  he aft tank would also expand in the space created when the rear facing fixed armament is removed. That combined with a wet wing and drop tanks would make up for some if not most of the shortfall.  But anyway "never let the truth get in the way of a good story" as they say  :D :D


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Offline Frank3k

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Re: Orchard Studios
« Reply #29 on: June 08, 2019, 02:33:36 AM »
In the Ar234 nighfighter (which flew one mission) they crammed the dumbass who volunteered to be the radar guy - and all his equipment - in the space behind the rear fuel tank (where the camera is shown in the line drawing).

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Re: Orchard Studios
« Reply #30 on: June 08, 2019, 04:30:04 AM »
In the Ar234 nighfighter (which flew one mission) they crammed the dumbass who volunteered to be the radar guy - and all his equipment - in the space behind the rear fuel tank (where the camera is shown in the line drawing).


Yeah, you can see here:




It would have been very cramped though.
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Offline Ghost Rider

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Re: Orchard Studios
« Reply #31 on: June 18, 2019, 11:08:08 PM »




.
'If it looks right it flies right' - anyone hearing that phrase will instantly think  ... Hawker Hunter .

Offline Old Wombat

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Re: Orchard Studios
« Reply #32 on: June 19, 2019, 01:39:16 AM »
AWACS with a punch! ;)

Neat! 8)
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Re: Orchard Studios
« Reply #33 on: June 19, 2019, 03:26:07 AM »
Given the Ruhrstahl/Kramer X-4 was wire guided I wonder if some sort of prop guard would be required?
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Offline Ghost Rider

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Re: Orchard Studios
« Reply #34 on: June 19, 2019, 05:13:02 AM »


Quote
I wonder if some sort of prop guard would be required? 

Good point ???
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Online finsrin

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Re: Orchard Studios
« Reply #35 on: June 19, 2019, 06:28:54 AM »
Greeaat study of Ar-234  :smiley:

First thought is 1/48 built as 1/72 AWACS.  Pick a country and time period.

Offline Old Wombat

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Re: Orchard Studios
« Reply #36 on: June 19, 2019, 09:51:58 AM »
Given the Ruhrstahl/Kramer X-4 was wire guided I wonder if some sort of prop guard would be required?

After weapons testing with the X-4 wire-guided missile the Ar-234 was converted to pusher turboprops, which, coincidentally, led to the ability to carry a second pair of X-4's inboard of the engines & to the outer missiles being able to be brought closer in, thus reducing the loading on the outer wing sections! ;)
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Offline elmayerle

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Re: Orchard Studios
« Reply #37 on: June 19, 2019, 12:22:32 PM »
Given the Ruhrstahl/Kramer X-4 was wire guided I wonder if some sort of prop guard would be required?

After weapons testing with the X-4 wire-guided missile the Ar-234 was converted to pusher turboprops, which, coincidentally, led to the ability to carry a second pair of X-4's inboard of the engines & to the outer missiles being able to be brought closer in, thus reducing the loading on the outer wing sections! ;)
The engineer in me wonders if those would be gearbox driven propellers as on Allison's propfan design or exhaust-driven propellers like the aft fans on the CF700 and CJ805-23 or the aft propfans on GE's GE36 unducted fan engine.  Personally, I think the gearbox driven approach would be more feasible for the times.

Offline Ghost Rider

  • Dreamer
Re: Orchard Studios
« Reply #38 on: June 19, 2019, 07:23:06 PM »
It was just a design exercise as early turboprop engines would have had little advantage over internal combustion engines at the time ... with the added complications of un-reliability, complexity and high maintenance.

So, at a time when speed and firepower were critical in the defence of the Reich I give you ..... 













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Online jcf

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Re: Orchard Studios
« Reply #39 on: June 25, 2019, 04:55:34 AM »
Given the Ruhrstahl/Kramer X-4 was wire guided I wonder if some sort of prop guard would be required?

After weapons testing with the X-4 wire-guided missile the Ar-234 was converted to pusher turboprops, which, coincidentally, led to the ability to carry a second pair of X-4's inboard of the engines & to the outer missiles being able to be brought closer in, thus reducing the loading on the outer wing sections! ;)
The engineer in me wonders if those would be gearbox driven propellers as on Allison's propfan design or exhaust-driven propellers like the aft fans on the CF700 and CJ805-23 or the aft propfans on GE's GE36 unducted fan engine.  Personally, I think the gearbox driven approach would be more feasible for the times.

The BMW concepts used a gearbox, the first design being a contra-prop with planetary gearing in a
ducted spinner, second contra-props with a long spinner, short annular intake and gear drive moved
aft to in front of the compressor.

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Re: Orchard Studios
« Reply #40 on: June 26, 2019, 02:04:53 AM »
What's the source of those images Jon?
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Offline Volkodav

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Re: Orchard Studios
« Reply #41 on: June 26, 2019, 10:11:30 PM »
Oh, that is lovely  :-*  What an improvement over the side-by-side Hunter trainers!

Apparently the side by side Hunters were faster than the single seaters due to the better drag coefficient of the wider forward fuselage.