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  Topic: R2800 CB16 Valve setting PWA 5654 depressor needed
kmccutcheon

Replies: 5
Views: 102

PostForum: Technical Discussion   Posted: Wed Jan 23, 2019 17:07   Subject: R2800 CB16 Valve setting PWA 5654 depressor needed
NO. Free the screw by chasing the threads in the 'nut' or filing the threads on the screw with a thread file, then proceed with the procedure. The screw needs to be finger-loose in the tool.
  Topic: R2800 CB16 Valve setting PWA 5654 depressor needed
kmccutcheon

Replies: 5
Views: 102

PostForum: Technical Discussion   Posted: Wed Jan 23, 2019 12:15   Subject: Re: R2800 CB16 Valve setting PWA 5654 depressor needed
I don't understand why you need more than one tool. Other books tell you to do what the Precision Engines video says, or give the option to do either. You don't need any particular accuracy because th ...
  Topic: How supersonic inlets work
kmccutcheon

Replies: 9
Views: 526

PostForum: Technical Discussion   Posted: Mon Jan 14, 2019 07:34   Subject: How supersonic inlets work
Glad to help.
  Topic: How supersonic inlets work
kmccutcheon

Replies: 9
Views: 526

PostForum: Technical Discussion   Posted: Thu Dec 20, 2018 10:18   Subject: How supersonic inlets work
(Perhaps the inlet was designed for a higher airflow than the original engine was capable of supplying. just guessing.)

I concur with your guess. I have carefully read Bob Abernathy’s account an ...
  Topic: Engine overhaul practices then and now?
kmccutcheon

Replies: 1
Views: 387

PostForum: Technical Discussion   Posted: Wed Aug 08, 2018 08:40   Subject: Re: Engine overhaul practices then and now?
I'm curious how much has changed in overhaul practices on engines from back in the day they came off the assembly line, to the present?
I'm sure there have been various service bulletins that have u ...
  Topic: research assistance requested
kmccutcheon

Replies: 2
Views: 692

PostForum: Non-Technical Discussion   Posted: Fri Jul 06, 2018 07:15   Subject: research assistance requested
Unfortunately, there is little more information based on the contract and serial numbers. We know from the serial number that it was a FY 1941 Air Corps purchase, and that it was provided under the co ...
  Topic: Sunbeam-Coatalen Engine Catalogue
kmccutcheon

Replies: 3
Views: 897

PostForum: WWI Engines   Posted: Wed May 09, 2018 14:11   Subject: Sunbeam-Coatalen Engine Catalogue
I've never heard anything good about the Sunbeam Arab either. I think its appearance in a marketing document should be taken at face value --- simply an attempt to sell a flawed product. News didn't t ...
  Topic: R-2180 production totals error.
kmccutcheon

Replies: 1
Views: 597

PostForum: Pratt & Whitney Engines   Posted: Fri Jan 26, 2018 02:40   Subject: R-2180 production totals error.
From this, it appears that the document Pratt & Whitney Piston Reciprocating Engine Production is incorrect. It appears that the headings of the two columns were switched, as 75 R-2180-E Twin Wasp ...
  Topic: R-2180 production totals error.
kmccutcheon

Replies: 1
Views: 1054

PostForum: Authors' Corner   Posted: Fri Jan 26, 2018 02:39   Subject: Re: R-2180 production totals error.
From this, it appears that the document Pratt & Whitney Piston Reciprocating Engine Production is incorrect. It appears that the headings of the two columns were switched, as 75 R-2180-E Twin Wasp ...
  Topic: Hi from Belgium, help for identification
kmccutcheon

Replies: 2
Views: 738

PostForum: Pratt & Whitney Engines   Posted: Thu Nov 30, 2017 09:21   Subject: Re: No photos?
Good morning,
It appears that the links to your photos are broken.

The links work for me. These are P&W R-985s on a crashed Beech 18; the landing gear construction is the giveaway.
  Topic: Aircraft engine torque specs.
kmccutcheon

Replies: 4
Views: 1205

PostForum: Authors' Corner   Posted: Fri Nov 24, 2017 08:20   Subject: Aircraft engine torque specs.
When I think of how a fully loaded B-17 had to struggle its way to its target with the engines stressed to the limit under continuous full rated power-just wondered how the torque compared to the truc ...
  Topic: Aircraft engine torque specs.
kmccutcheon

Replies: 4
Views: 1205

PostForum: Authors' Corner   Posted: Thu Nov 23, 2017 10:27   Subject: Aircraft engine torque specs.
Average torque values do not appear in aircraft engine specifications because they are of little value to aircraft designers, who get nearly everything necessary for aircraft design and operation from ...
  Topic: Carburetors on the Allison V-1710B?
kmccutcheon

Replies: 2
Views: 1208

PostForum: Allison Engines   Posted: Sat Nov 11, 2017 08:55   Subject: Carburetors on the Allison V-1710B?
John Leonard responded with the following:
I have a report titled "Development Test of Allison V-1710-4 Engine in Accordance with Navy Specification E-4G 150 Hour Endurance Test" written by ...
  Topic: electroforming for water jackets
kmccutcheon

Replies: 3
Views: 1213

PostForum: WWI Engines   Posted: Sat Jul 15, 2017 10:51   Subject: electroforming for water jackets
That is correct. Some WWI-era engines had copper water jackets that were fabricated by electroplating.
  Topic: Junkers Jumo 004
kmccutcheon

Replies: 0
Views: 901

PostForum: For Sale   Posted: Wed Jul 12, 2017 06:38   Subject: Junkers Jumo 004
The AEHS has learned of two (2) Junkers Jumo 004 engines for sale.

Fred Bieser
c/o TURRET MUSEUM
2890 Hwy 212, #225
Conyers, GA 30094

Make offer.
 
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