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Search: Posts Made By: Dave Kirk
Showing results 1 to 50 of 201
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Forum: Classic & Vintage
09-12-19, 05:56 PM
Replies: 51
Views: 9,795
Posted By Dave Kirk

I'm finding it hard to slip back into "real life"...

I'm finding it hard to slip back into "real life" after a few wonderful days at the Cino. The weekend started off with a Concours d'Elegance on Friday evening to show off some of the vintage bikes...
Forum: Framebuilders
02-18-15, 11:01 AM
Replies: 22
Views: 2,503
Posted By Dave Kirk

Do you know how to use string a a basic alignment...

Do you know how to use string a a basic alignment test? It's super easy to check that the frame is all on the same plane with string.

The string test will not tell you if the seat or head tube is...
Forum: Framebuilders
02-17-15, 02:11 PM
Replies: 22
Views: 2,503
Posted By Dave Kirk

Have you tried different wheels in the frame? ...

Have you tried different wheels in the frame?

dave
Forum: Manufacturer, Retailer, Survey and Consumer Feedback
01-27-15, 07:43 PM
Replies: 9
Views: 2,984
Posted By Dave Kirk

Excellent - that is good news. dave

Excellent - that is good news.

dave
Forum: Framebuilders
01-23-15, 01:27 PM
Replies: 23
Views: 3,309
Posted By Dave Kirk

Very cool - a great example of builder and rider...

Very cool - a great example of builder and rider knowing each other and themselves..........and this allows trust between the two.

Good stuff.


dave
Forum: Framebuilders
01-21-15, 11:31 AM
Replies: 23
Views: 3,309
Posted By Dave Kirk

I hear you.......there are all levels of customer...

I hear you.......there are all levels of customer experience just as there are all levels of builder experience. I suppose the trick here is having both sides understand who they are dealing with and...
Forum: Framebuilders
01-17-15, 10:14 AM
Replies: 12
Views: 3,607
Posted By Dave Kirk

This is a tough one. As mentioned the high...

This is a tough one.

As mentioned the high road would be to replace the stay. It's certainly a good idea if the bike will be refinished and ridden as it's hard to tell how compromised that stay...
Forum: Framebuilders
01-13-15, 09:59 AM
Replies: 23
Views: 3,309
Posted By Dave Kirk

I agree - it is a fair question. I certainly...

I agree - it is a fair question. I certainly don't want to imply that questions like this should not be asked or that builders should not be questioned.

I can't help but look at this from the...
Forum: Framebuilders
01-12-15, 08:37 PM
Replies: 23
Views: 3,309
Posted By Dave Kirk

I really hope this doesn't sound snarky as I...

I really hope this doesn't sound snarky as I don't feel that way................if the builder is a pro, and you trust him to build the bike for you, why don't you tell him what your budget is and...
Forum: Framebuilders
01-12-15, 02:44 PM
Replies: 23
Views: 3,309
Posted By Dave Kirk

Is the builder you've chosen a professional...

Is the builder you've chosen a professional builder? If so, what tubes would he recommend for you?


dave
Forum: Framebuilders
01-05-15, 06:45 PM
Replies: 12
Views: 2,012
Posted By Dave Kirk

First I would look at just how much overlap you...

First I would look at just how much overlap you have.

Clip your shoe in the pedal (without your foot in it) and turn the bars and cranks until you get to the overlap position. Then take a ruler...
Forum: Framebuilders
12-31-14, 12:51 PM
Replies: 4
Views: 2,333
Posted By Dave Kirk

Tom Palermo.

As some of you might know Baltimore framebuilder Tom Palermo was killed while riding a few days ago. A fund has been set up to collect money to be put toward his children's education.

Please help...
Forum: Framebuilders
12-09-14, 01:11 PM
Replies: 31
Views: 5,046
Posted By Dave Kirk

You'll answer your own question if you make your...

You'll answer your own question if you make your red line bisect the head tube and project to the floor. You show it in line with the fork blades - it should be the centerline of the head tube.
...
Forum: Framebuilders
11-13-14, 06:58 PM
Replies: 14
Views: 2,266
Posted By Dave Kirk

I got you - I hadn't thought of it that way. ...

I got you - I hadn't thought of it that way.

How does the fact that there is a partial vacuum in the tube affect things? When the tube is heated the air greatly expands and comes rushing out of...
Forum: Framebuilders
11-13-14, 04:19 PM
Replies: 14
Views: 2,266
Posted By Dave Kirk

I do a mix of sealed and open tubes on my bikes....

I do a mix of sealed and open tubes on my bikes. I seal the seat stays and fork blades and do so during the brazing process so the air inside is very hot and therefore very dry.....this means that...
Forum: Framebuilders
10-30-14, 09:27 AM
Replies: 23
Views: 1,994
Posted By Dave Kirk

Thanks so much for the note and the...

Thanks so much for the note and the understanding.

I would of course to be honored to work for a fellow craftsman so please get in touch with any questions you might have and I'll do my best to...
Forum: Framebuilders
10-29-14, 03:52 PM
Replies: 23
Views: 1,994
Posted By Dave Kirk

You are of course correct - the numbers I threw...

You are of course correct - the numbers I threw out are low and would represent the lowest a builder might pay for the cheapest materials. I've done this exercise online in the past with more...
Forum: Framebuilders
10-29-14, 01:52 PM
Replies: 23
Views: 1,994
Posted By Dave Kirk

You make an interesting remark about frames made...

You make an interesting remark about frames made in the USA being overpriced. I suppose 'overpriced' is in the eye of the beholder to mix my metaphors but I do think one might benefit from looking at...
Forum: Framebuilders
10-21-14, 09:03 AM
Replies: 15
Views: 9,167
Posted By Dave Kirk

It's funny........I've seen just that. I once saw...

It's funny........I've seen just that. I once saw a crashed fillet brazed bike that was whacked hard enough to make the big round bondo fillets pop right off of the crappy tig beads buried under...
Forum: Framebuilders
10-16-14, 08:37 AM
Replies: 15
Views: 9,167
Posted By Dave Kirk

I know this isn't really an answer to the OP's...

I know this isn't really an answer to the OP's question but the way to end up with a clean looking finished fillet is to start with a very clean and well shaped fillet in the first place........so I...
Forum: Framebuilders
10-03-14, 08:30 AM
Replies: 7
Views: 1,848
Posted By Dave Kirk

I have built many hundreds of bikes using silver...

I have built many hundreds of bikes using silver for everything but where the stays meet the drops and never had a single failure. Brazed well it will last a lifetime.

dave
Forum: Framebuilders
09-16-14, 07:51 AM
Replies: 9
Views: 3,741
Posted By Dave Kirk

One thing to keep in mind is that the angles that...

One thing to keep in mind is that the angles that the top and down tubes make with the other tubes at each end will need to change a lot if you are going to add 4" to the top tube. This means that...
Forum: Framebuilders
09-05-14, 09:15 AM
Replies: 12
Views: 4,541
Posted By Dave Kirk

That indent or recessed area was no doubt done...

That indent or recessed area was no doubt done when the tube was made by Reynolds. It's done to give room in the area to get the rear wheel in/out without marring the paint. I think the chance that...
Forum: Framebuilders
08-16-14, 09:26 AM
Replies: 12
Views: 8,353
Posted By Dave Kirk

I think of it this way - Trail is what...

I think of it this way -

Trail is what makes the bike want to straighten out when you aren't giving the bike a steering input. The amount of weight on the front wheel makes a given amount of...
Forum: Framebuilders
08-05-14, 08:50 PM
Replies: 14
Views: 5,626
Posted By Dave Kirk

Typically replacing a simple tube like a top tube...

Typically replacing a simple tube like a top tube will cost $200 or so not counting paint. But a seat tube is much different. Replacing a seat tube is like getting a spine replacement - everything...
Forum: Framebuilders
08-03-14, 09:22 AM
Replies: 14
Views: 5,626
Posted By Dave Kirk

If you are going to ruin the paint you may as...

If you are going to ruin the paint you may as well take the level of the repair to the point where is will stand a good chance of lasting a long time. I seriously doubt you'l be able to get good...
Forum: Framebuilders
07-31-14, 07:54 AM
Replies: 7
Views: 1,736
Posted By Dave Kirk

I think you'd be fine. dave

I think you'd be fine.

dave
Forum: Framebuilders
07-23-14, 10:17 AM
Replies: 12
Views: 2,301
Posted By Dave Kirk

It of course can be done but in the end it's a...

It of course can be done but in the end it's a poor use of time and energy. Making something new from scratch will be faster and in the end be better...........and safer.


dave
Forum: Framebuilders
06-16-14, 12:23 PM
Replies: 17
Views: 6,989
Posted By Dave Kirk

FWIW - one generally can not say that you will...

FWIW - one generally can not say that you will need a certain front center number to clear a given shoe/crank size combo. Since overlap is a 'go/no go' deal if you do the figuring and end up being...
Forum: Framebuilders
04-23-14, 08:25 AM
Replies: 6
Views: 2,132
Posted By Dave Kirk

Cool - I think you would find it's easier...

Cool -

I think you would find it's easier than it might seem to slip the tube out.

The seat lug is thick as are the stay caps and it will take a good bit of heat to get that stuff to fall...
Forum: Framebuilders
04-23-14, 07:24 AM
Replies: 6
Views: 2,132
Posted By Dave Kirk

Very good - Is there is reason you chose to...

Very good -

Is there is reason you chose to grind the tube out instead of heating it to liquify the filler and slip it out? I've never tried grind one out.

dave
Forum: Framebuilders
04-22-14, 02:12 PM
Replies: 17
Views: 2,377
Posted By Dave Kirk

Hey - I almost never use a dynafile on...

Hey -

I almost never use a dynafile on fillets. It's just to easy to eff things up. If I'm doing some really large and open area I might but I always 'break' the belt before use. By this I mean I...
Forum: Framebuilders
04-04-14, 11:39 AM
Replies: 17
Views: 2,377
Posted By Dave Kirk

Very cool - I'm glad it works for you. dave

Very cool - I'm glad it works for you.

dave
Forum: Framebuilders
04-04-14, 09:30 AM
Replies: 17
Views: 2,377
Posted By Dave Kirk

Thanks for the kind words. I too wish that a...

Thanks for the kind words.

I too wish that a clear coat was a viable option but it never looks like one would expect and/or hope it would and it rarely looks even that good for very long. So it...
Forum: Framebuilders
02-24-14, 10:34 AM
Replies: 19
Views: 2,521
Posted By Dave Kirk

I can't buy anything I need for my work locally....

I can't buy anything I need for my work locally. You would need to get pretty lucky to have a local supplier for bike tubes.

I would look at the Aircraft Spruce website and order some tube and...
Forum: Framebuilders
02-21-14, 04:53 PM
Replies: 17
Views: 2,377
Posted By Dave Kirk

Thanks all for the kind words. I really like...

Thanks all for the kind words. I really like working with fillets but seem to spend more time working on lugs these days........but nothing can look so organic, so seamless and clean as fillets can....
Forum: Framebuilders
02-21-14, 08:42 AM
Replies: 17
Views: 2,377
Posted By Dave Kirk

Fillet brazed 29er.

Hey -

I haven't shared any builds in quite some time and have a bit of time this morning so thought I'd post a few photos of a frame I just finished. It's of course a steel frame and it fillet...
Forum: Framebuilders
02-06-14, 10:00 AM
Replies: 17
Views: 5,675
Posted By Dave Kirk

I don't have a good answer to the question...

I don't have a good answer to the question frankly. It's a fuzzy line to be sure.

Strength of the joint is of course one of the concerns and testing joints to failure is a reasonable way to get a...
Forum: Framebuilders
02-06-14, 09:12 AM
Replies: 23
Views: 59,793
Posted By Dave Kirk

It's the real deal. Build/buy with confidence. ...

It's the real deal. Build/buy with confidence.

dave
Forum: Framebuilders
02-05-14, 06:45 PM
Replies: 17
Views: 5,675
Posted By Dave Kirk

With all due respect......and this is a serious...

With all due respect......and this is a serious question...........how will you know when you are fully competent?

Dave
Forum: Framebuilders
02-05-14, 09:05 AM
Replies: 17
Views: 5,675
Posted By Dave Kirk

I have insurance and have since day one and...

I have insurance and have since day one and here's why.............I've been in this business, putting frames together, for over 25 years. 15 of those years have been working for others and the last...
Forum: Framebuilders
02-04-14, 06:24 PM
Replies: 28
Views: 3,014
Posted By Dave Kirk

I've got a lot to say about insurance but it...

I've got a lot to say about insurance but it seemed like this wasn't the place. But I'm all primed and ready to go on the insurance thing.

FWIW - Reynolds does stock some 531 if you've got to have...
Forum: Framebuilders
02-03-14, 09:06 AM
Replies: 28
Views: 3,014
Posted By Dave Kirk

I see no issue with using fillets to hook...

I see no issue with using fillets to hook together 531. If you have a choice of wall thicknesses I'd go thicker rather than thinner just to give a bit more margin of error. I wouldn't limit yourself...
Forum: Framebuilders
01-21-14, 09:26 AM
Replies: 5
Views: 2,321
Posted By Dave Kirk

The TSX I worked with back then was ribbed the...

The TSX I worked with back then was ribbed the entire length and you could see it easily.

dave

P.S. I apologize - I think I remembered incorrectly............I think TSX had internal ribbing...
Forum: Framebuilders
01-10-14, 08:46 AM
Replies: 8
Views: 1,337
Posted By Dave Kirk

Either way should work just fine. dave

Either way should work just fine.

dave
Forum: Framebuilders
12-30-13, 08:58 AM
Replies: 3
Views: 2,324
Posted By Dave Kirk

Yes you can..........whether you want to is...

Yes you can..........whether you want to is another matter.

The number of hours to pull the tubes and then clean up the lugs is a big number and one needs to ask if it is worth it. And in the end...
Forum: Framebuilders
11-26-13, 05:52 PM
Replies: 9
Views: 1,394
Posted By Dave Kirk

I doubt it will come apart without warning and...

I doubt it will come apart without warning and hurt you - I also doubt it will ride straight and as it should. As sad as it is I'd put it out to pasture.

dave
Forum: Framebuilders
11-08-13, 09:21 AM
Replies: 12
Views: 1,511
Posted By Dave Kirk

I buy stuff like this from Spruce Aircraft supply...

I buy stuff like this from Spruce Aircraft supply - great selection of diameter and walls.

http://www.aircraftspruce.com/catalog/mepages/4130tubing_un1.php


dave
Forum: Framebuilders
09-01-13, 08:18 AM
Replies: 15
Views: 3,592
Posted By Dave Kirk

Exactly - I'm more thinking of the surface of the...

Exactly - I'm more thinking of the surface of the head tube inside the joints and inside the top and down tubes - pretty darn black. The common reason for this is either that the tubes were still...
Forum: Framebuilders
08-30-13, 08:15 AM
Replies: 15
Views: 3,592
Posted By Dave Kirk

My guess is that you have a few things going on...

My guess is that you have a few things going on here and the big one is and inadequate use of flux..........or of using the wrong type of flux.

The blackened head tube on the inside of the joint...
Showing results 1 to 50 of 201
 
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