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  Topic: So you want to learn about turbines, jets
rwahlgren

Replies: 0
Views: 28

PostForum: Gas Turbines   Posted: Thu Jul 12, 2018 17:36   Subject: So you want to learn about turbines, jets
https://www.youtube.com/results?search_query=agent+jz+
  Topic: Reverse on Constellation 3350
rwahlgren

Replies: 9
Views: 3042

PostForum: Wright Engines   Posted: Thu Jul 12, 2018 17:29   Subject: Reverse on Constellation 3350
So is it normal to use reverse pitch to slow the plane after landing on them? Or was it just for backing up? Either way it does nothing for cooling the engine.
  Topic: Vintage V12s
rwahlgren

Replies: 0
Views: 431

PostForum: Non-Technical Discussion   Posted: Wed Dec 20, 2017 19:05   Subject: Vintage V12s
Tour of vintage V12's

https://www.youtube.com/watch?v=3bflKyjIvOQ
1

https://www.youtube.com/watch?v=-b9TT01rKNU
2

https://www.youtube.com/watch?v=Ax2TNRWDSVc
3
  Topic: ASh-62
rwahlgren

Replies: 4
Views: 4094

PostForum: Collections/Restorations - General   Posted: Sun Nov 05, 2017 15:27   Subject: ASh-62
Roland,
Not many people seem to frequent this site much. I think you should try to write an email to Kim, or maybe he will see your post and can help.
  Topic: Jets and Turbines
rwahlgren

Replies: 0
Views: 410

PostForum: Non-Technical Discussion   Posted: Wed Oct 11, 2017 00:59   Subject: Jets and Turbines
Very expensive and time consuming to work on, makes old recips look easy.
And then the exotic materials some of the parts are made of.
There are some very interesting videos on Jets and Turbines on ...
  Topic: Plain bearings vs Rolling element bearings
rwahlgren

Replies: 0
Views: 424

PostForum: Technical Discussion   Posted: Sat Sep 23, 2017 01:32   Subject: Plain bearings vs Rolling element bearings
http://www.machinedesign.com/technologies/plain-bearings-outperform-rolling-element-bearings

And still makes me wonder about Wrights use of roller bearings for the crankshaft mains in the R-3350, a ...
  Topic: Aircraft engine articles
rwahlgren

Replies: 3
Views: 506

PostForum: Non-Technical Discussion   Posted: Mon Sep 18, 2017 01:11   Subject: Aircraft engine articles
http://www.cycleworld.com/2016/03/01/steel-pistons-part-2-background-on-steel-pistons-history-cycle-world-motorcycle-technology-feature#page-2

Article by Kevin Cameron. And mentions Wright aircraft ...
  Topic: Aircraft engine articles
rwahlgren

Replies: 3
Views: 506

PostForum: Non-Technical Discussion   Posted: Mon Sep 18, 2017 01:07   Subject: Aircraft engine articles
http://www.douglasdc3.com/sohn/warbird.htm
  Topic: Allison engine prices after the war!
rwahlgren

Replies: 0
Views: 395

PostForum: Allison Engines   Posted: Mon Sep 18, 2017 00:41   Subject: Allison engine prices after the war!
Brand new in original crate. V1710-135
$350. and an extended drive shaft reduction gear for $50. "While supplies last" And says original cost $14,500. This is a photo of an old news paper o ...
  Topic: Aircraft engine articles
rwahlgren

Replies: 3
Views: 506

PostForum: Non-Technical Discussion   Posted: Mon Sep 18, 2017 00:30   Subject: Aircraft engine articles
A forum with a fellow that claims to have worked on R-4360's.
Accuracy ?

http://www.airliners.net/forum/viewtopic.php?t=769743
  Topic: How about a plastic model engine
rwahlgren

Replies: 3
Views: 623

PostForum: Model Engine Discussion   Posted: Mon Sep 18, 2017 00:23   Subject: How about a plastic model engine
It sure sounds like the real thing as it revs up.
  Topic: Fuel
rwahlgren

Replies: 0
Views: 377

PostForum: Technical Discussion   Posted: Fri Sep 15, 2017 03:34   Subject: Fuel
http://www.wwiiaircraftperformance.org/150grade/150-grade-fuel.html
  Topic: Aircraft engine articles
rwahlgren

Replies: 3
Views: 506

PostForum: Non-Technical Discussion   Posted: Fri Sep 15, 2017 03:29   Subject: Aircraft engine articles
https://www.avweb.com/news/maint/182849-1.html
  Topic: Merlin parts
rwahlgren

Replies: 0
Views: 521

PostForum: Rolls-Royce Engines   Posted: Fri Sep 15, 2017 03:27   Subject: Merlin parts
https://www.roushaviation.com/parts-inventory
  Topic: R-1830 info
rwahlgren

Replies: 0
Views: 446

PostForum: Pratt & Whitney Engines   Posted: Tue Sep 12, 2017 19:21   Subject: R-1830 info
I have an old articulated connecting rod from I think an R-1830-90D,
that I had checked with a hand held spectrometer.
The chemistry print out said it was 4340 steel, and the hardness test
was 39.7 ...
 
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