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Tag Archives: Reverse Engineer


Harley-Davidson Aermacchi frame tube sizes

During the process of reverse engineering Aermacchi CRTT, SS, H, early CRS, late CRS and ERS, we kept track of the common tubing sizes used


WWII wooden motorcycle workbench

Who wants to work on a motorcycle while on their knees?  Nobody.  Make a workbench! While I was surfing Harley-Davison WL 45 sites, I saw


Garden Gate Manx – The book about my bike, by Niels Schoen

Review by Patrick Downing, 1-June-2018 Amazing.  Incredible.  Awesome.  Unbelievable.  Work-of-art. Incredible journey. น้อยครั้งมากที่ผมประทับใจหนังสือที่เกี่ยวกับวิศวกรรม แต่ล่าสุดผมได้อ่านหนังสือของ Niels Schoen หนังสือเล่มนี้จัดทำขึ้นมาคนเดียว และใช้แค่เครื่องมือวัดแบบพื้นฐานที่ไม่ทันสมัยเหมือนสมัยนี้ ในการเขียนงานนี้เขาใช้โปรแกรม SolidWorks CAD package Niels Schoen เขียนหนังสือเล่มนี้ขึ้นมา


1966 Alfa Romeo Giulia – Netherlands (Part 8)

The Netherlands.  Canals. Windmills.  Wood shoes.  Cheese.  Coffee shops.  If we were on an African safari, they would call this the “The big 5” Seriously


3D laser scan of King Naresuan

We are honoured to 3D laser scan a 3.1 meter tall statue of King Naresuan.  This sculpture is the base for many duplicate and derivative


Reverse engineering an Aermacchi CRTT tank

The tank of a Harley-Davidson Aermacchi CRTT is an iconic masterpiece of design. The classic shape of the long rectangular tank with gracefully radiused edges


Reverse engineering an Aermacchi CRTT frame

Why reverse engineering an Aermacchi CRTT frame?  Well, I had a dream to go to Bonneville and race a CRTT based bike and try to


H-D Aermacchi 39984-69P, REAR CHAIN ADJUSTER ASSEMBLY Adjuster Body

Perhaps you missed the article on the ‘Threaded Shaft’ for the Harley-Davidson Aermacchi part number/description of ‘39984-69P, REAR CHAIN ADJUSTER ASSEMBLY’?   We are going to


H-D Aermacchi 39984-69P, Rear Chain Adjuster Assembly Threaded Shaft

What is a ‘39984-69P#Shaft#, REAR CHAIN ADJUSTER ASSEMBLY Threaded Shaft’?  Does this keep you awake at night? The rear axle adjusters of Harley-Davidson / Aermacchi

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