The Global Sizer Playbook: Engineering a Carry-On That Fits EveryoneFlagshipComing
The airline dimension database, the trap of nominal versus measured dimensions, how to allocate tolerance between design and manufacture, and what the EU 2027 rules change.
In the first batch
Wheels: The #1 Thing That Breaks — And the Cheapest Good Review You'll Ever EarnFlagshipComing
Bearing, tread, housing and fixing method. Why 'replaceable' is a better claim than 'durable', and what a single-screw wheel assembly actually costs.
In the first batch
Zippers and Handles: Your Second Failure Point — and Your Security HoleComing
Coil versus chain, TSA master keys, and the pen trick that opens a coil zipper and closes it again without a mark.
Planned
Hardware Is Where the Money GoesComing
Cost structure and selection decisions across wheels, handles, zippers and trim — and where upgrading is cheap insurance.
Planned
How to Read a Material Spec Sheet (And Stop Buying by Looks)Coming
What actually predicts service life, including how a shell looks after twelve months rather than on the day it ships.
In the first batch
Why Users Complain About Sticky Zippers and Noisy WheelsComing
The two complaints that generate the most reviews per dollar of product cost, and the tolerances that cause them.
Planned
Why Your Suitcase Looks Wrecked After One TripComing
Gloss versus matte versus textured finishes, how each ages, repairable coatings, and colour strategy for checked luggage.
Planned
The Weight War: Engineering a Carry-On Under 7 lbsComing
Cabin weight limits are tightening and every gram you save is a gram your customer can pack. Where weight comes out, and what it costs.
Planned
Is a Zipperless Carry-On Viable? What Nobody Is BuildingComing
Latch-style closure: the engineering difficulty, the cost band, and why the category is still open.
Planned
Will Your Suitcase Shatter in a Chicago Winter?Coming
Cold-temperature impact behaviour by material, and the frozen drop test worth specifying for northern markets.
Planned