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-   -   2021 Andy Gilmour Medium Reach Brake (https://forums.thepaceline.net/showthread.php?t=265120)

Bici-Sonora 03-23-2021 02:05 PM

Thinking of another variation on the P-51 paint scheme https://uploads.tapatalk-cdn.com/202...71a3c62d65.jpg
https://uploads.tapatalk-cdn.com/202...338a5da7e5.jpg


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nortx-Dave 03-23-2021 03:56 PM

Having just received my Bishop I can certainly attest to how fun it is to think about, design and spec a custom bicycle! A year ago I was a one-and-done kind of guy with regard to custom bikes......now 3 weeks into riding my Bishop, I'm thinking how can I convince my wife that I "need" another one? Maybe a Bishop Item 4....or a Crumpton!

Great thread here, and a great introduction to Gilmour and his bikes.

$2,000 for a custom lugged steel frame? :hello::hello:

mhespenheide 03-23-2021 06:10 PM

Quote:

Originally Posted by Bici-Sonora (Post 2902189)
Thinking of another variation on the P-51 paint scheme

I dig the color work. But a red stem. ;)

alleznathan 03-23-2021 06:22 PM

Just had a read through the full thread, definitely sheds a good light on Andy and the work he's doing! Love how he's pulled you into the process, sounds like a great time. Keep the updates coming!

Bici-Sonora 03-24-2021 10:41 AM

Your Bishop is such a great looking frame and build. I can see wanting to do another custom--the process and interaction with the builder is really fun.I hope my Gilmour turns out to be a special bike like your Bishop.
Quote:

Originally Posted by nortx-Dave (Post 2902236)
Having just received my Bishop I can certainly attest to how fun it is to think about, design and spec a custom bicycle! A year ago I was a one-and-done kind of guy with regard to custom bikes......now 3 weeks into riding my Bishop, I'm thinking how can I convince my wife that I "need" another one? Maybe a Bishop Item 4....or a Crumpton!

Great thread here, and a great introduction to Gilmour and his bikes.

$2,000 for a custom lugged steel frame? :hello::hello:


Bici-Sonora 03-24-2021 10:42 AM

I did draw one up with a red stem--it looked good too. I am also thinking maybe the green of the frame too to keep it more low key.
Quote:

Originally Posted by mhespenheide (Post 2902311)
I dig the color work. But a red stem. ;)


nortx-Dave 03-24-2021 04:18 PM

Quote:

Originally Posted by Bici-Sonora (Post 2902591)
Your Bishop is such a great looking frame and build. I can see wanting to do another custom--the process and interaction with the builder is really fun.I hope my Gilmour turns out to be a special bike like your Bishop.

Thanks. Definitely a mutual love fest going on here! Can't wait to see what you come up with!

Bici-Sonora 03-27-2021 12:37 PM

My oval top tube came in, and I had another meeting with Andy. He had drawn up the frame full-size on drafting paper. He had also mitered some of the tubes and had the frame partially assembled in the jig for me to see. Pretty exciting to see it begin to take 3d form.

A couple of changes got made: Andy found a stouter seat tube (.9/.6./1.2) that won't require a reinforcing lug. After experimenting, he also decided that Columbus Spirit S- chain stays would give us better tire clearance and lighter weight than the straight Reynolds he was originally thinking of. For the rear drops, he wants to modify some Suntour Touring vertical drops removing a bunch of excess metal.

Current bike is shaping up as follows:

Frame:
Top tube: Reynolds 853 20mm x 30mm oval .8/.5/.8 254g (uncut)
Down tube: 853 853PT 31.7 .7/.5/.7 312g (uncut)
Seat tube Reynolds 853 .9/.6/1.2 353g (uncut)
Head tube: Reynolds 853 with integrated HS cups (didn’t weigh)
Bottom Bracket: (Didn’t weigh)
Chain stays: Columbus Spirit S-bend 143g (each, uncut)
Seat stays: Reynolds Double-Taper 10mm/14mm/11mm 114g (each, uncut)
Rear dropouts: Vintage Suntour (73g driveside, 56g non-drive--unmodified weight). Andy says dropouts will “have a lot of meat taken off” (double eyelets and excess steel removed.)
Fork:
Whisky No.9 Carbon fork for mid-reach brakes, 1 ⅛” straight steerer, 375mm axle to crown 385g

Wheelsets:
DT 1400PR Onix tubeless with Conti 5000 TL 32mm tires and Ti DT skewers 1400g, plus 360g(per tire, set up tubeless)

Cockpit:
Stem: Deda superleggero 120mm 82 degree stem 99g
Bars: Whisky No. 7 42cm 6 degree flare 281g
Seatpost: Ritchey WCS Flexlogic 27.2 x 350mm 195g
Brooks Cambium C-13 Saddle w/Carbon Rails 259g

Components:
Campagnolo Chorus 12 speed Group 2015g (minus brakeset)
Brakes: Velo Orange Grand Cru Mid-reach (47-57mm) Black 355g (pair)
Headset: Ritchey Drop in 63g

Bici-Sonora 03-27-2021 12:41 PM

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Bici-Sonora 03-27-2021 12:47 PM

In the photos of the jig and tubes above, the headtube has not been cut yet and the chainstays are placeholders.

Bici-Sonora 03-27-2021 01:29 PM

I got kind of curious about the weight. I had numbers for all the uncut tubes except the Headtube and BB shell. I estimated those at 200g and 100g respectively. Unless, I’m missing something, my back of the envelope math says that the complete bike is gonna come in at around 17.5lbs (7944 grams) or a bit lighter with pedals.

nortx-Dave 03-27-2021 06:06 PM

You know.....I haven't even weighed my Bishop. I figure that with a fine steel frame such as your Gilmour or my Bishop, the ride quality trumps any weight consideration by a country mile!

Bici-Sonora 03-27-2021 06:24 PM

Quote:

Originally Posted by nortx-Dave (Post 2904278)
You know.....I haven't even weighed my Bishop. I figure that with a fine steel frame such as your Gilmour or my Bishop, the ride quality trumps any weight consideration by a country mile!


Yep, with nice steel bikes the ride is the main thing. My calculations were mainly just an academic exercise seeing that I had the tube weights. When talking with Andy, we both wanted the bike to be as light as possible without compromising durability.


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nortx-Dave 03-27-2021 08:10 PM

Quote:

Originally Posted by Bici-Sonora (Post 2904287)
Yep, with nice steel bikes the ride is the main thing. My calculations were mainly just an academic exercise seeing that I had the tube weights. When talking with Andy, we both wanted the bike to be as light as possible without compromising durability.


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Interesting! Chris and I never once talked about weight.

bicycletricycle 05-07-2021 08:26 PM

is it done yet?


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