Apt (aptlab)

Apt

Designer, /bicycling, building stuff in /thegarage

518 Followers

Recent casts

Got enough of my revised frame fixture together to hold a old carbon cross frame. 20200 extrusion backbone mounted on a remixed steel, prime day engine stand. For only being tacked and pinned together to start, it feels pretty solid. 2ft of extra Z height gets me bench height(ish) welding and enough clearance for full Y axis rotation. That should be ideal for tacking tubes the way I’d like to, along the edge of symmetry and with gravity always working in my favor. Can’t get that with it horizontal on a table. Pretty easy transfer of the tube holders this evening from table to spine once I got the stand mocked up. Still some editing to do here but Stoked

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Brazing again. Still tool making vs welding bike frame tubes — progress nonetheless. I haven’t been able to avoid the infamous framebuilder shop side quests, but we ball. This time, scraps for shimming and eventually extending a Prime Day Vevor engine stand for holding an even better frame jig haha. Always a better mouse trap! Also got a slick, portable AC that has me pining to add a ceiling to the garage and insulating a bit between the rafters.

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“Nor guey” 🇲🇽 “Naur way” 🇦🇺 “Nor whey” 🇺🇸 “Nor wee” 🇬🇧 “Nor oui” 🇫🇷

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Top casts

Got an amazing ride in last night on the gravel bike. Rode slow on a familiar local bike path that runs along a river of sorts, but took what I like to call the b-sides. These are the unpaved, lesser traveled local trails that run parallel across the river from the paved path. Spring wildflowers are still popping off everywhere you look and the sunset through the clouds was wild. Feels like a dream haha. Bikes are awesome!

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Closer on locking the geo for bike #2 The idea is a tucked, steel, aero frame with room for big tires. Want to try and replace my "fast" plastic bike with something a little softer. Digging this site and it's simple interface https://www.bikegeocalc.com/#25APT+Aero+Gravel+Prototypea0b4c745.65996d268e623.27697f694.80019g969.72104h414.44469i340j340k1328.69893l805m1125.65996n662.75145o1173.25566p882.6413q1204.46033r1336.32058s885.67783t31.8u40v6w3.86874x10y280z40A0B150C25D351.52697E44.99999F172.5G30H30Z7Unnameda0b4c743.9802d270e600.64877f769.85608g971.72104h412.76493i340j340k1335l813.03517m1133.98576n679.88726o1177.24813p889.84772q1213.32131r1345.15065s893.89606t31.8u40v6w2x10y280z40A0B150C25D370E45.00003F172.5G30H30Z

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Back in business! With a little heat and careful wailing I got a scratch section of seat post lodged in behind the mid tube junction. I’m feeling good about the strength of the reinforcement. Each joint will have about 2 inches of support above and below it from the internal tube. The short, functional seat post just meets the jammed support at it’s lowest position, very close to where I’ll need it, so I think this worked out about as well as it could have.

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