Upshur Opposed Twin

This topic has 1 reply, 1 voice, and was last updated 28 August 2018 at 23:55 by Tom Gullan.

Viewing 2 posts - 1 through 2 (of 2 total)

Author

Posts
28 August 2018 at 23:55 #369491
Tom Gullan
Participant
@tomgullan59234
Hello,

Has anyone attempted to build Harold Upshur’s Opposed Twin Petrol engine. The crankcase is fabricated from four aluminium plates and two steel plates. I would like to change this and make it from the solid.

Regards
Tom
Advert

28 August 2018 at 23:55 #2511
Tom Gullan
Participant
@tomgullan59234
Author

Posts

Viewing 2 posts - 1 through 2 (of 2 total)

Please log in to reply to this topic. Registering is free and easy using the links on the menu at the top of this page.

Advert

Latest Replies

Viewing 25 topics - 1 through 25 (of 25 total)

- Topic
- Voices
- Posts
- Last Post
- Fixturing conundrum with Hemingway die filer kit
  Started by: timdotd in: Workshop Techniques
- 3
- 4
- 16 July 2026 at 12:20
  bernard towers
- Comm Ads
  Started by: bernard towers in: Website Questions, Comments, and Suggestions
- 4
- 20
- 16 July 2026 at 12:14
  JasonB
- Smart & Brown model A spindle lock
  Started by: old mart in: Workshop Tools and Tooling
- 2
- 10
- 16 July 2026 at 11:50
  Steve101
- Maisie
  Started by: ian Holdsworth in: Beginners questions
- 9
- 12
- 16 July 2026 at 11:48
  Nicholas Farr
- QCTP 1 2
  Started by: James A in: Workshop Tools and Tooling
- 20
- 35
- 16 July 2026 at 10:34
  John Haine
- My Intro
  Started by: Martin Freestone in: Introduce Yourself – New members start here!
- 4
- 4
- 16 July 2026 at 07:46
  Speedy Builder5
- Bridgeport Series 1 CNC 1 2 3
  Started by: tomcnc in: CNC machines, Home builds, Conversions, ELS, automation, software, etc tools
- 12
- 60
- 16 July 2026 at 07:21
  seemack
- Bending copper tube?
  Started by: Bo’sun in: Workshop Techniques
- 18
- 22
- 15 July 2026 at 23:29
  Nigel Graham 2
- What Did You Do Today 2026 1 2 … 5 6
  Started by: JasonB in: The Tea Room
- 42
- 146
- 15 July 2026 at 23:05
  Michael Gilligan
- Help please! Workshop clearance
  Started by: ksw in: General Questions
- 11
- 24
- 15 July 2026 at 22:23
  ksw
- Pipe Size Puzzle.
  Started by: Nigel Graham 2 in: Locomotives
- 5
- 11
- 15 July 2026 at 18:15
  Nigel Graham 2
- Solar Panels 1 2
  Started by: Vic in: The Tea Room
- 17
- 45
- 15 July 2026 at 18:11
  An Other
- Band saw 1 2 3 4
  Started by: Peter Simpson 3 in: Beginners questions
- 25
- 81
- 15 July 2026 at 16:54
  ega
- Plug in Solar 1 2 3
  Started by: Vic in: The Tea Room
- 25
- 75
- 15 July 2026 at 12:34
  Robert Atkinson 2
- Myford VMC Spindle Advice Please. 1 2
  Started by: Nigel Graham 2 in: Manual machine tools
- 12
- 49
- 14 July 2026 at 20:02
  Graham Meek
- What is this? 1 2
  Started by: Sonic Escape in: General Questions
- 18
- 26
- 14 July 2026 at 19:52
  Andy Stopford
- Offen imperial bore mic gauge.
  Started by: Graeme Seed in: Workshop Tools and Tooling
- 6
- 13
- 14 July 2026 at 19:30
  Graeme Seed
- THE MONTHLY TIPS COMPETITION – THE ENTRY THREAD! 1 2
  Started by: Neil Wyatt in: Hints And Tips for model engineers
- 19
- 46
- 14 July 2026 at 17:40
  Neil A
- Bonding brass hubs to steel
  Started by: mikemunson in: Beginners questions
- 3
- 4
- 14 July 2026 at 11:27
  Michael Gilligan
- Lathe coolant applicators 1 2
  Started by: lucerne in: Manual machine tools
- 16
- 30
- 14 July 2026 at 09:15
  Julie Ann
- Small electromagnetic pump via E-Bay
  Started by: Clive Foster in: Manual machine tools
- 5
- 8
- 13 July 2026 at 20:02
  John Hinkley
- Windows 11 background pictures
  Started by: old mart in: The Tea Room
- 4
- 4
- 13 July 2026 at 19:49
  Mark Rand
- pitman arm
  Started by: martin haysom in: General Questions
- 6
- 9
- 13 July 2026 at 17:00
  Dave Halford
- Martin Cleeve Swing Clear Retracting Toolholder 1 2
  Started by: Roger Harvey in: Workshop Tools and Tooling
- 18
- 27
- 13 July 2026 at 15:21
  ega
- Boiler problem
  Started by: Zan in: Help and Assistance! (Offered or Wanted)
- 5
- 8
- 13 July 2026 at 14:25
  Zan

Upshur Opposed Twin

Upshur Opposed Twin

Latest Replies

Latest Issue

July 2026

Newsletter Sign-up

Latest Replies