1936 Monark Flo-Cycle


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TR6SC

I live for the CABE
Jun 12, 2016
1,002
2,612
66
Eureka, CA
#1
No, I'm not parting it out!
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The seat tube was loose and the seat lug was cracked through most of the way. I figured the best fix possible meant taking it all the way down. The long curved pieces actually unbolt behind the head badge.
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Looks like the tire rubbed a little too long! You can see the steel on the inside of the wound. The steel insert runs from the rear axle to just in front of the seat. Spring!!!
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I love this stuff. The bottom pair hold the fender. Aluminum. The top pair go behind the seat. Chromiumed bronze.
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I hear there's a College in De Kalb. An hour or so outside of Chicago. I imagine the owner was a history major, riding this bike around campus in 2000 sumpthin.
The bike came apart in no time at all. It'll take longer to assemble since I might have to go to Albuquerque and pay @ratrodz a visit!!
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TR6SC

I live for the CABE
Jun 12, 2016
1,002
2,612
66
Eureka, CA
#2
The Flo-Cycle must have some stories to tell. Whatever broke the rear fork also did a bit of kink and twist. The frame table had to be called to action. By bolting the bike to the table through the bottom bracket, alignment is made by
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a simple measurement at various points around the frame. All parts of the frame MUST parallel the table. If they aren't, they will be.
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Here's a kink that's gotta go. The towers support that which mustn't move.
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A little heat to soften the metal and prevent cracking.
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Universal cones hold the head. We had to twist a bit to point the forks correctly.
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The job is complete. The wheel now has equal clearance on both sets of blades. The frame is parallel to the table as is the wheel. This bike will roll true now that the rear wheel follows the front.
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TR6SC

I live for the CABE
Jun 12, 2016
1,002
2,612
66
Eureka, CA
#6
Oh that's fricking awesome! Love that table!! Your gonna have some killer kings soon!!!
It's the parallel concept that's more important than the table, although the table is really nice. Anyone can bolt their bike to a flat-ish table to get things dialed in really close. The table comes in handy when you're tweaking a heavy frame like a Harley. Lightweight or even heavyweight bicycle frames adjust on a workbench just fine.
 
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TR6SC

I live for the CABE
Jun 12, 2016
1,002
2,612
66
Eureka, CA
#7
It's the parallel concept that's more important than the table, although the table is really nice. Anyone can bolt their bike to a flat-ish table to get things dialed in really close. The table comes in handy when you're tweaking a heavy frame like a Harley. Lightweight or even heavyweight bicycle frames adjust on a workbench just fine.
Good morning 333. Humboldt County is calling. Come up and visit on your next NorCal trip.
 
Likes: tripple3

TR6SC

I live for the CABE
Jun 12, 2016
1,002
2,612
66
Eureka, CA
#9
Now that the frame is dialed in, I headed up to my welder to talk about the various issues that need addressing. He wanted to get started, so who am I to argue! A wire wheel to clean things up.
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Then he started with his magic. I watched with an extra welding hood. It sure looked easy!
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He bridged the gap with a back and forth closure, then surrounded his work with a ring of weld.
All that remained was to file it flush without creating any flat spots and not filing through.
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Next week we're gonna make the seat lug as good as new.
 

TR6SC

I live for the CABE
Jun 12, 2016
1,002
2,612
66
Eureka, CA
#13
No, it's not done. I'm slow. But here're a few more pics. This is the curved frame member that tapers into the head lug. This attaches with an Allen bolt.
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The tapered sockets into the head. The frame piece butts in tightly to the inner shoulder. The Allen inserts through the hole behind the headbadge.
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Awesome disassembly of a Flocycle! Is

Here's the wedge and tube that dreads into the BB lug.
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Hard to see, bot the hole in the lug bells out at the bottom. The wedge stops at the shoulder which spreads the bottom of the tube.
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This lug is in 2 pieces. The steel post holds the parts in alignment during the welding. The wooden dowels are there to aid in alignment also.
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it done? Would love to see more photos! Keep up the great work.
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TR6SC

I live for the CABE
Jun 12, 2016
1,002
2,612
66
Eureka, CA
#14
The wedge.
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The bottom of the hole has a shoulder which stops the wedge and forces the tube to spread into the area of the lug that is bell shaped.
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Steel post I made to keep the top and bottom pieces of the broken lug in alignment during welding.
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The dowels aid in alignment also.
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I'm looking forward to getting these bits welded up. There's lots of detailing left to do.
 
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TR6SC

I live for the CABE
Jun 12, 2016
1,002
2,612
66
Eureka, CA
#17
Like I was trying to say before my tech problems began, this SK might cost me 5K if I can't find some reasonably priced parts. All I have is the 5rame!
 

TR6SC

I live for the CABE
Jun 12, 2016
1,002
2,612
66
Eureka, CA
#18
"Blinded by the Light!"
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My phone/camera thought the aliens were invading. Optical harmonic resonance or something.
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This was the first weld to be done. It was only a crack, but was opened to get full penetration.
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The same V-groove was cut into all areas to be welded.
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Cast aluminum is more porous that other forms, so the job was more tedious. Micro holes kept belching out black pyucky guck. After fighting that battle, the welding went smoothly. And it went even more smoothly once the rat tail file came into play.
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Ready for some finish sanding and polish.
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Talewinds

I live for the CABE
Sep 13, 2010
1,897
176
Newton, WI, United States
#20
I'm working on a Flo-Cycle frame right now too. I didn't take the frame apart but was very curious about the internals of the assemble. This thread is a great guide!
Polishing is tedious to say the least.
 

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