Archive - old D4 news of Mechanical Advantage: Tools for the Wild Vertical

May 2021 D4 BigWallGear Update--winding down

View this email in your browser D4 Big Wall Gear Update …winding down Australian production… It has been a great process these past four years designing…

May 9, 2021 •

John Middendorf

February 2021

Delta2p Availability from D4 BigWallGear

View this email in your browser Batch of six D4 Delta2p’s all boxed up and ready to go! We have just completed six D4 Delta2p ready-to-go prototypes…

Feb 26, 2021 •

John Middendorf

Delta2p's now available at BigWallGear.com

View this email in your browser D4 Delta2p Portaledge Available now! It’s Tasmania Summer, and the climber/crafters are back in town! Climbers crafting…

Feb 2, 2021 •

John Middendorf

October 2020

D4 Design Portaledges--Update from BigWallGear

D4 Design studio has been busy! The D4 system of portaledge design is proving to be the fastest, lightest, strongest, simplest framed portaledge system…

Oct 15, 2020 •

John Middendorf

August 2020

D4 Delta2p Portaledge Availability

Delta2p's available this month. SEPTEMBER AVAILABILITY: We are beginning to ship, from Australia, the first of a batch of 16 of the new D4 Delta2p…

Aug 27, 2020 •

John Middendorf

December 2019

New D4 Delta2p Portaledge

New D4 Delta2p ledge Hello all-- Just want to let you know the past year I have been working on a radical new portaledge design for two people, where…

Dec 18, 2019 •

John Middendorf

September 2019

D4 Octapod Update-please read if you own a D4 Octapod

D4 Octapod notice The D4 Octapod has now been successfully used for dozens of fine adventures, but there have been two cases where the Octapod frame has…

Sep 20, 2019 •

John Middendorf

D4 Portaledge Update from BigWallGear

To all D4 Trapezium users First of all, thank you for purchasing or testing D4's Trapezium Portaledge. The Trapezium was the first "odd-shaped…

Sep 20, 2019 •

John Middendorf

BigWallGear D4 Portaledge annual report 2019

2019 D4 BigWallGear Annual Report D4 News KEYPOINTS: *D4 has become the #1 portaledge in the world with mainstream press news and reviews. *Durango…

Sep 19, 2019 •

John Middendorf

September 2018

D4 Portaledge Update from BigWallGear

D4 Trapeziums Available Quick Update: I have two Trapeziums available for shipping this week, and two more soon (my sewing machine needs tuning and this…

Sep 26, 2018 •

John Middendorf

May 2018

D4 Trapezium Update

D4 Trapeziums production ledges shipping D4 Trapezium Update The Trapezium is a new concept in portable ledges. Prior to 2017, we had: 0.5 ledges (i.e…

May 1, 2018 •

John Middendorf

March 2018

D4 Press Release March 27, 2018

Please find attached recent Press Release from Big Wall Gear: FOR IMMEDIATE RELEASE: March 27, 2018 John Middendorf Big Wall Gear, LLC…

Mar 26, 2018 •

John Middendorf

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