Peter Dow

Peter Dow

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Member since
Feb 20, 2012
Last active
Apr 29, 2018
Total activities
0

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  1. #Threads

    6391822a-f0a9-4c47-add9-6e44477232bc

    Now considering member 2, which survived intact, member 2's "SECTION C-C" - - has 12 x size 8 (diameter 1", area 0.785...

  2. #Threads

    726a0b70-129f-49d9-8073-9a2d21837c6d

    As I have noted in the next image, W Denney Pate's drawings don't draw a section through member 11 with only 2...

  3. #Threads

    Analysis of Florida International University pedestrian bridge collapse

    <a href="https://en.wikipedia.org/wiki/Florida_International_University_pedestrian_bridge_collapse" target="_blank" rel="nofollow noopener noreferrer">Florida I...

  4. #Threads

    776f8338-07f3-4662-a019-330fd2fb15a7

    BEWARE BAD LINKS ABOVE! I lost my website hosting in January. I was not "hacked" but the gcehosting administrator seems to have...

  5. #Threads

    c4dc0255-c2ef-486e-947a-0c1efaa1b233

    #-Link-Snipped-# My trispokedovetile CAD-CAM webpage now offers an (X,Y,Z) option for router cutting using rotary tool paths between spaced out tiles -...

  6. #Threads

    bcf15845-59aa-446a-9d3e-193a067fde4c

    HOLES! Now #-Link-Snipped-#

  7. #Threads

    37aa1f38-3227-44ce-a7cb-fc59dcf398f1

    For Computer-Aided Manufacturing of trispokedovetiles, I'm publishing today my new Javascript web-page - #-Link-Snipped-# - which generates Computer Numerical...

  8. #Threads

    c26e3da6-16bc-4542-8ab0-208ae573f645

    Now to consider the important issue of interlocking trispokedovetiles against movement in the direction normal to the tiled plane, which for the...

  9. #Threads

    80427ff2-939c-47e5-81b4-4a3c7d17511b

    Tutorial on how to produce 3D images from #-Link-Snipped-# Step 1. Create a line image using my webpage, this is for CIRCLE...

  10. #Threads

    dff3a33e-f88c-46c9-8ebc-4b54fceb80da

    A.V.Ramani<a href="https://www.shutterstock.com/search/tetrapod?image_type=vector" target="_blank" rel="nofollow noopener noreferrer">196 Tetrapod Stock Vectors...

  11. #Threads

    cf59c7a3-8ad0-4261-8cec-a70d9115cb83

    A.V.Ramani<a href="https://www.shutterstock.com/search/tetrapod?image_type=vector" target="_blank" rel="nofollow noopener noreferrer">196 Tetrapod Stock Vectors...

  12. #Threads

    3b5381ba-c15c-42e0-aed0-17402846b5b0

    Peter DowThe only people "trying" here would appear to be the company Mozilla who are trying to offer a browser called "Firefox"...

  13. #Threads

    e51ee189-f7cf-4ad1-97ca-cd33c77a0aea

    [Prototype]Interesting.Thanks. [Prototype]What exactly is the above animation trying to illustrate?What part of - Peter Dow#-Link-Snipped-# I've programmed a we...

  14. #Threads

    8f274db9-becc-4de9-8df6-f2f0fe69e79f

    [Prototype]I've absolute zero knowledge about mechanical engineering so it might be a dumb question, but can you tell what exactly is the...

  15. #Threads

    e75a1750-80be-4331-9c4f-b6a012e09ca1

    #-Link-Snipped-# I've programmed a webpage using Javascript to display an animation which shows a range of different trispokedovetiles, each of which can...

  16. #Threads

    Geometry. Three-spoke dovetailing tile tessellation. "Trispokedovetile"?

    I've posted this image which I've described as a "Three-spoke dovetailing tile tessellation". #-Link-Snipped-# by <a href="https://www.flickr.com/photos/peterd...

  17. #Threads

    53a05136-5234-4a49-bba2-f67cd930a1c4

    I also use Wolfram Alfa quite a bit for routine calculations. Their search engine is also amazing.Well the Wolfram Mathematica package looks...

  18. #Threads

    Mathematics of the Wankel Engine shapes

    Regarding the mathematics of the unusual shape and profile of the Wankel engine triangular rotor and combustion chamber housing, I'm reviewing a...

  19. #Threads

    FREEZERBATON - Freezer-baton for basic cryosurgery on a budget!

    I'm describing here my design and construction project of a simple tool for basic cryosurgery - limited to freezing superficial skin lesions...

  20. #Threads

    c95db608-f49e-4304-9e4c-51300cf70a6c

    <a href="https://www.youtube.com/watch?v=CRV9iuX8vSs" target="_blank" rel="nofollow noopener noreferrer">HI-BRICKS & DOWELS demonstration video by Peter Dow - Y...

  21. #Threads

    5cd04461-76da-43f0-a526-db7f0acaacb2

    bioramaniSince they dovetail or interlock to form structures an obvious name can be Dowtail.Well the pins and tails of a "dovetail" joint...

  22. #Threads

    f255f679-9f19-41a3-bcff-0c985a60316b

    Someone on another forum produced an image - which I have uploaded here - "tiles cracked.jpg" which shows how the simple 2-D...

  23. #Threads

    492cd938-d0de-47bb-9bfc-1be56030d6dd

    bioramaniI was considering the pattern of the interlocked tiles that you mentioned;So was I. I was just pointing out that the interlocking...

  24. #Threads

    f621b95c-44cf-47ca-90bd-7ea1501c9350

    bioramaniThis structure will have some flexibility in two dimensions. The interlocking 'I's will give excellent tensile strength.Of course a real structure alwa...

  25. #Threads

    8d7a790a-5775-4d51-ad5c-afd10d9686bb

    Now this is all my own creation, also produced using Paint.NET. Tessellated I in Steel #-Link-Snipped-# Now it's time to think about...

  26. #Threads

    6eb9df9b-4917-4208-b24c-adbbb3767756

    bioramaniBeautiful work, Peter. Very satisfying and dynamic. Thanks for putting up.Thanks Bioramani but I'm responsible only for the precise detail of my...

  27. #Threads

    Tessellated I - my simple technical drawing, coloured artfully

    #-Link-Snipped-# A tessellation of a capital "I" shape employing the colours of the spectrum which I created using <a href="https://www.getpaint.net/" target="...

  28. #Threads

    c62c8b7b-858c-4773-aa22-74fb3543e22a

    prashpanI too believe that the reservoir that large can trigger a small earthquake, but we will have to do additional work on...

  29. #Threads

    b0207155-39eb-4988-a313-a17e39b8a93b

    bioramaniIn 1958, I visited the Caltex refinery in Vizag, India, as part of the curriculum. They were making a shallow reservoir (about...

  30. #Threads

    664b0137-be21-4028-935d-75274508e575

    My second take is to use drain-pipes through the base of the dam which now extends all the way down to the...

  31. #Threads

    6c58500a-9806-4e8f-a3d7-904b6bb8564b

    prashpanThank you Peter you have been most informative.Thanks. prashpanAbout the Coire Glas Project, at 317 meter height it would become the highest...

  32. #Threads

    edb5e44a-6b2b-4085-b83a-996283308f58

    prashpanWell yes those were examples, as there are infinite number of formations possible. And we had assumed many simplifications like height and...

  33. #Threads

    2f0660f4-f385-4b60-99ab-7fcb040e24ef

    prashpanFascinating Derivation...đź‘ŤThanks. Just to be clear, what I headed as "Derivation" was deriving this mathematical relationship - "The power and energy...

  34. #Threads

    1fac2586-1660-41a4-a8aa-42f6d63138db

    double post

  35. #Threads

    21d11041-783a-4122-b23b-f0931a5f3e91

    bioramaniWould this initiative help? #-Link-Snipped-#I am not so crazy and apolitical as to trust any one of the Queen's ministers of Scotland...

  36. #Threads

    edd0e4c1-884b-47e9-b301-41d0eab5e466

    No takers for the derivation challenge huh? OK then. Derivation Assume various simplifications like all turbine rotors are the same size and...

  37. #Threads

    f0b1f2ec-918a-4b25-84ed-c372d7249f20

    "Dow" equation for the power and energy output of a wind farm. "The power and energy of a wind farm is proportional...

  38. #Threads

    93b499c2-3e8b-48ed-824a-3de05b376c5e

    AbraKaDabra#-Link-Snipped-# We have featured your thread on CrazyEngineers Fan Page on Facebook. đź‘ŤThanks. Dancer_EngineerInteresting information #-Link-Snipp...

  39. #Threads

    8e194605-1605-4e0a-9b4c-9c4e8cf309e9

    Dam foundations and height of the dam above the bedrock The top of the Dow-Dam has an elevation of 780 metres by...

  40. #Threads

    20d131f3-793e-4529-b822-97beabf53a3f

    Geology of the Coire Glas site I have been able to extract this information from the #-Link-Snipped-# from the 1:50 000 scale...

  41. #Threads

    b8575783-f2e6-47dd-82a5-7d8c1953be13

    Loch Lochy and vicinity water flow control works Here is an annotated satellite photograph of the land south from Coire Glas showing...

  42. #Threads

    e117da9c-4d18-4dbf-90f8-2e98c182e846

    Enhanced satellite photograph #-Link-Snipped-# #-Link-Snipped-# Cross section of the Dow-dam The Dow-dam would be more than 3 times higher than the pro...

  43. #Threads

    bd8acbda-7eab-4109-9fb0-a11b042e9d24

    Cross section of the Dow-dam reservoir Cross section along the major diameter of the elliptical excavation of the reservoir bed #-Link-Snipped-# #-Link-Snipped...

  44. #Threads

    d91b4080-148a-4f0e-9592-5bcf1d848a3f

    bioramaniThat is certainly thinking BIG! Nothing skimpy about your scheme. Very interesting. Been to Aberdeen once in 1992 and thrice to Scotland...

  45. #Threads

    Large Scottish Pumped Storage Hydroelectric Reservoir and Dam (@ Coire Glas)

    I am presenting here my vision for a large pumped storage hydroelectric 2-square kilometres surface-area reservoir and 300+ metre tall dam which...