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Search: Posts Made By: bikingman
Showing results 1 to 50 of 141
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Forum: Bicycle Mechanics
12-08-23, 05:36 PM
Replies: 6
Views: 500
Posted By bikingman

Thoughts on this dropout

Wondering what others think about this carbon dropout.
https://cimg2.ibsrv.net/gimg/bikeforums.net-vbulletin/2000x1504/20231208_183305_716009fbc9422c162813165e6f72b495c389be6d.jpg
Forum: Framebuilders
11-20-23, 07:18 AM
Replies: 16
Views: 714
Posted By bikingman

thanks! I'm not sure what the seatpost looks like...

thanks! I'm not sure what the seatpost looks like to be honest. This is for a customer who sent the photo via email. I'll need to inspect other parts of the frame.

I'm just a little cautious...
Forum: Framebuilders
11-17-23, 01:46 PM
Replies: 16
Views: 714
Posted By bikingman

Cracked toptube/seatube lug

Do you have thoughts on repairing the cracks in this frame? I think it will be fine to pinch the lug to bring it back into shape, then heat the lug and drop in a bit of brass. Then clean it up with...
Forum: Framebuilders
10-26-23, 06:02 PM
Replies: 4
Views: 603
Posted By bikingman

ISO Canti boss fixture

Any chance someone on this forum has a canti boss fixture to sell?

I have a customer who would like them brazed on his frame. I'm someone who trusts the methods and tools, and generally don't...
Forum: Framebuilders
09-19-21, 03:52 PM
Replies: 8
Views: 985
Posted By bikingman

Thanks duanedr and GrayJay - I bought a set of...

Thanks duanedr and GrayJay - I bought a set of pre cut cast lugs and noticed the sockets are slightly ovalized, which got me wondering if the angles between the sockets are correct. I thought I'd ask...
Forum: Framebuilders
09-16-21, 07:55 PM
Replies: 8
Views: 985
Posted By bikingman

Thanks! Could you clarify by what you mean by a...

Thanks! Could you clarify by what you mean by a bit of slop? Is that in the realm of one or two degrees or between five and ten?
Forum: Framebuilders
09-16-21, 05:19 PM
Replies: 8
Views: 985
Posted By bikingman

Precision tools for measuring precut lug angles?

This might be an easy answer, but are there any precision tools for measuring angles of precut lugs? I'd like to be able to measure the angle of cast and mitered/brazed lugs before they've been...
Forum: For Sale
05-24-21, 05:33 AM
Replies: 6
Views: 3,178
Posted By bikingman

dming

dming
Forum: Framebuilders
11-29-20, 06:36 PM
Replies: 13
Views: 2,191
Posted By bikingman

Doug, these are incredible for students and...

Doug, these are incredible for students and exactly what I'd like to shoot for in custom lug design. I've started the process of building CAD templates, using tube miter print outs from BikeCAD Pro...
Forum: Framebuilders
11-14-20, 06:22 PM
Replies: 13
Views: 2,191
Posted By bikingman

These are beautiful

These are beautiful
Forum: Framebuilders
11-14-20, 06:22 PM
Replies: 13
Views: 2,191
Posted By bikingman

Right now, I plan to start with existing cast...

Right now, I plan to start with existing cast lugs for the experience and in time, move onto building/cutting or casting my own. I want to cut the lugs using a customized design built off a template...
Forum: Framebuilders
11-14-20, 08:51 AM
Replies: 13
Views: 2,191
Posted By bikingman

CAD templates for cutting lugs?

I've been thinking about custom styles for my cast lugs. I have access to CAD software, and I wonder if creating a template within that software would be a good idea? My idea is to draw out the rough...
Forum: Framebuilders
07-24-20, 11:53 AM
Replies: 16
Views: 2,841
Posted By bikingman

*snap, snap, snap, snap* ...

*snap, snap, snap, snap*

https://media3.giphy.com/media/12LKeOJKdGSHFm/giphy.gif?cid=ecf05e4755c7b45a68ac1e97116f1917c0a2f5fba2cbd1d7&rid=giphy.gif
Forum: Framebuilders
07-24-20, 07:16 AM
Replies: 16
Views: 2,841
Posted By bikingman

Thank you - I'll go with the single butted seat...

Thank you - I'll go with the single butted seat tube. Agreed with you on Andy's assessment. As noted, I'm planning to redesign.
Forum: Framebuilders
07-24-20, 07:15 AM
Replies: 16
Views: 2,841
Posted By bikingman

Hey Andy, thanks for the solid input here....

Hey Andy, thanks for the solid input here. Learning new things everyday.

Sorry if I misrepresented - my idea wasn't to have a seperate binding colar from the lug itself - I think I just hadn't put...
Forum: Long Distance Competition/Ultracycling, Randonneuring and Endurance Cycling
07-23-20, 06:44 AM
Replies: 57
Views: 16,165
Posted By bikingman

So wish I had found this eariler on! Great photos!

So wish I had found this eariler on! Great photos!
Forum: Framebuilders
07-23-20, 06:17 AM
Replies: 16
Views: 2,841
Posted By bikingman

dsaul - Mind expanded - I just realized that I've...

dsaul - Mind expanded - I just realized that I've not thought about butted tubes in relation to the cuts. And I don't know why, because that seems awfully obvious now...

Looking into externally...
Forum: Framebuilders
07-23-20, 06:01 AM
Replies: 16
Views: 2,841
Posted By bikingman

Andrew - Thank you so much for your insight. My...

Andrew - Thank you so much for your insight. My design for this bike includes carved lugs all the way around with a 75-degree angle between the seat and top tube (planning to braze). I've decided to...
Forum: Framebuilders
07-22-20, 08:59 PM
Replies: 16
Views: 2,841
Posted By bikingman

Cool - thanks - that's good to know. I suppose by...

Cool - thanks - that's good to know. I suppose by "the clamp may be enough," I thought the seat post clamp/fixing bolt could potentially provide enough stability regardless of whether the tube is...
Forum: Framebuilders
07-22-20, 08:32 PM
Replies: 16
Views: 2,841
Posted By bikingman

Double butted seat tube?

I have a double butted tube (Nova 650L 28.6OD 9x6x9) that I picked up for my bike's seat tube. I'm wondering if this is wrong. It seems incorrect to build a bike with a double butted seat tube, but...
Forum: General Cycling Discussion
05-03-20, 03:40 PM
Replies: 0
Views: 225
Posted By bikingman

Pro fit jersey with elbow length sleeves?

Can anyone recommend a pro fit jersey with elbow length sleeves that's around $60-$100? I've seen them on GCN and among the pro peloton, but haven't been able to find one at the price point I'm...
Forum: Framebuilders
01-30-20, 08:23 AM
Replies: 9
Views: 2,291
Posted By bikingman

This is such great insight - thanks, Kuromori....

This is such great insight - thanks, Kuromori. Also, thanks for explaining how these dropouts impact variable wheelbase. It's now clear to me that these dropouts may be useful to adjust the wheelbase...
Forum: Framebuilders
01-30-20, 08:07 AM
Replies: 9
Views: 2,291
Posted By bikingman

Exactly what I had in mind - thanks for...

Exactly what I had in mind - thanks for confirming this an acceptable practice!
Forum: Framebuilders
01-30-20, 08:06 AM
Replies: 9
Views: 2,291
Posted By bikingman

This is great insight, thanks,dsaul! And thank...

This is great insight, thanks,dsaul! And thank you for confirming my thoughts on the nature of framebuilding... My thinking was that could file off the tab that's sticking into the rear triangle...
Forum: Framebuilders
01-29-20, 07:30 PM
Replies: 9
Views: 2,291
Posted By bikingman

Dropout concerns

I'm exploring dropout options in BikeCAD, and I've been newly exposed to rocker dropouts. I'm generally pretty impressed with the idea... the hook was "variable chainstay lengths." I'm considering...
Forum: Framebuilders
01-28-20, 09:33 PM
Replies: 9
Views: 1,573
Posted By bikingman

Shoot, that stinks. Hope he's able to get better...

Shoot, that stinks. Hope he's able to get better soon and get back on those pedals.
Forum: Touring
12-09-19, 09:52 PM
Replies: 37
Views: 12,662
Posted By bikingman

I've been riding this for about 6 months...

I've been riding this for about 6 months commuting and once on a 3 day ~400 tour. Always comfortable, even after long miles
Forum: Framebuilders
12-09-19, 07:25 AM
Replies: 23
Views: 3,120
Posted By bikingman

Totally agree that the good companies are...

Totally agree that the good companies are generally doing a great job.
Forum: Framebuilders
12-08-19, 09:45 PM
Replies: 18
Views: 4,485
Posted By bikingman

hm, would be interesting to get his take on the...

hm, would be interesting to get his take on the idea that a deeper BB drop lowers the seat, making it easier to jump over the frame. Here, sounds like there's room to note frame rigidity, esp if...
Forum: Framebuilders
12-08-19, 09:32 PM
Replies: 18
Views: 4,485
Posted By bikingman

This range is good to note. I wish I could adjust...

This range is good to note. I wish I could adjust my road bike downstairs and observe the difference. Also good to note that lug angles can play a role outside the norm.
Forum: Framebuilders
12-08-19, 09:29 PM
Replies: 18
Views: 4,485
Posted By bikingman

Ah yes, I was going to add a note about how BB...

Ah yes, I was going to add a note about how BB drop can be dynamic with suspension. Thanks for pointing that out. Can't seem to place Terry types. And thanks for providing insight on #3...
Forum: Framebuilders
12-08-19, 09:07 PM
Replies: 12
Views: 1,260
Posted By bikingman

I see both lugs and reinforcement rings... Just...

I see both lugs and reinforcement rings... Just wondering about the choice to use both in this case when it seems the lugs would have been plenty strength against headset pressins. Is this to...
Forum: Framebuilders
12-08-19, 08:14 PM
Replies: 18
Views: 4,485
Posted By bikingman

Thoughts and Questions on BB Drop

I've been playing around with bicycle design lately, and I'm thinking about all the adjustable angles and lengths that need to blend into something called a bike frame.

But right now, I'm thinking...
Forum: Framebuilders
12-08-19, 06:09 PM
Replies: 23
Views: 3,120
Posted By bikingman

Now that's insight. This makes me feel dubious...

Now that's insight. This makes me feel dubious about mass produced bicycles, but real about the tension between perfection and continuity. "Why can't the company simply increase the box sizes when...
Forum: Framebuilders
12-07-19, 09:44 PM
Replies: 23
Views: 3,120
Posted By bikingman

Wow, this is exactly what I had in mind. Thanks...

Wow, this is exactly what I had in mind. Thanks for pointing this out. Wonder how the info was gathered. I'll inspect the backend once I'm near a computer.

On a side note - when you say every...
Forum: Framebuilders
12-07-19, 03:40 PM
Replies: 23
Views: 3,120
Posted By bikingman

That's a great reply, thanks! I asked because I'd...

That's a great reply, thanks! I asked because I'd like to get my head around the categorical differences in frame types by looking at geometries over large number of bicycles types. Like was do...
Forum: Framebuilders
12-07-19, 01:38 PM
Replies: 23
Views: 3,120
Posted By bikingman

Open Source List of Frame Measurements?

Hello!

Does anyone know of an open source dataset of frame measurements as described by the manufacture?

To illustrate my idea, I created...
Forum: Framebuilders
12-07-19, 10:15 AM
Replies: 19
Views: 4,509
Posted By bikingman

Interesting that you mention headtube failure. Is...

Interesting that you mention headtube failure. Is there a reason you point to that failure as a result from frame deformation? Just wondering if the headtube is more susceptible to failure upon frame...
Forum: Framebuilders
12-06-19, 11:02 PM
Replies: 9
Views: 1,452
Posted By bikingman

Whoa, cool - had no idea you could rebuilt one of...

Whoa, cool - had no idea you could rebuilt one of those! Wonder why he didn't say hello.
Forum: Framebuilders
12-06-19, 07:14 PM
Replies: 9
Views: 1,452
Posted By bikingman

Heh that's a pretty funny story. What did he...

Heh that's a pretty funny story. What did he expect! I should probably call into the local airports. The open works maker's space I've found in Baltimore looks good. Kindof have my fingers crossed...
Forum: Framebuilders
12-03-19, 09:12 PM
Replies: 19
Views: 4,509
Posted By bikingman

Is there any way to test the structural integrity...

Is there any way to test the structural integrity of a frame, something like this or complete?
Forum: Framebuilders
12-03-19, 06:14 PM
Replies: 9
Views: 1,452
Posted By bikingman

It has a whole metro area full of single family...

It has a whole metro area full of single family homes.I posted to Craigslist asking about this very sort of thing, but I didn't hear from anyone except spambots.
Forum: Framebuilders
12-03-19, 05:54 PM
Replies: 9
Views: 1,452
Posted By bikingman

Yea, I did look into this type of (metal/welding)...

Yea, I did look into this type of (metal/welding) shared workspace and didn't find anything within the DC Metro area. There are plenty of shared office spaces that I could've overlooked. I did find...
Forum: Framebuilders
12-02-19, 07:23 PM
Replies: 9
Views: 1,452
Posted By bikingman

Frame builder's space in Washington DC?

Hello! Are there any frame builders in the Washington DC Metro Area that would want to share a space? Or does anyone know of somebody nearby that has workspace for rent? Not looking for anything...
Forum: Framebuilders
09-08-18, 10:49 AM
Replies: 7
Views: 1,604
Posted By bikingman

Good to see those differences on the workpiece,...

Good to see those differences on the workpiece, nice plug - thanks
Forum: Framebuilders
09-08-18, 10:47 AM
Replies: 8
Views: 1,738
Posted By bikingman

Nice, good point on the availability of smaller...

Nice, good point on the availability of smaller nozzles. I've got the J-28 listed in my parts list - I'll look into the A1WA. At this point, I'm planning to buy an outfit from my local supplier....
Forum: Framebuilders
09-08-18, 10:19 AM
Replies: 25
Views: 3,287
Posted By bikingman

hm, this is important. I'll look into this for my...

hm, this is important. I'll look into this for my area and have conversations with local suppliers. Given your observations with the loose tanks in trucks, maybe better to consider a OP setup for...
Forum: Framebuilders
09-08-18, 10:16 AM
Replies: 25
Views: 3,287
Posted By bikingman

Good to know the timeframes you expect with those...

Good to know the timeframes you expect with those tanks (cool job with the BB hoop). The supplier I had in mind isn't on my normal commute, so perhaps I'll consider a closer one or one on a more...
Forum: Framebuilders
09-08-18, 10:07 AM
Replies: 6
Views: 1,077
Posted By bikingman

Very much understood, I'm sure this reading will...

Very much understood, I'm sure this reading will fill many gaps and I'll keep questions to one a day at most as recommended. Thanks so much for your help so far
Forum: Framebuilders
09-08-18, 10:04 AM
Replies: 6
Views: 1,077
Posted By bikingman

Got it. This is awesome, thank you. I'll go ahead...

Got it. This is awesome, thank you. I'll go ahead and read the first ed. after a $3 donation - then consider the latest to keep my knowledge up to date. Thanks again.
Showing results 1 to 50 of 141
 
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