Search: Posts Made By: David Tollefson
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Forum: Framebuilders
06-07-19, 12:23 PM
Replies: 13
Views: 1,134
Posted By David Tollefson

I get that, and even after I go through a...

I get that, and even after I go through a fitting, interview, and all that with the customer, I don't cut tubes until the geometry is pinned down with the customer's approval. I might use geometry...
Forum: Framebuilders
06-07-19, 07:11 AM
Replies: 13
Views: 1,134
Posted By David Tollefson

Aren't these two ideas contradictory? That you're...

Aren't these two ideas contradictory? That you're familiar with the geometry but it's not the same as what you're currently riding?



I won't comment on their pricing -- that's their business....
Forum: Framebuilders
06-07-19, 07:01 AM
Replies: 5
Views: 838
Posted By David Tollefson

It has never even occurred to me to think of...

It has never even occurred to me to think of receiving a tip for a frame/fork commission. For wrench work, sure, but not for a frame build.
Forum: Framebuilders
05-16-19, 03:14 PM
Replies: 106
Views: 11,631
Posted By David Tollefson

Nice!

Nice!
Forum: Framebuilders
05-09-19, 02:13 PM
Replies: 7
Views: 1,375
Posted By David Tollefson

Be aware that when you start getting high on the...

Be aware that when you start getting high on the seat tube, you might want to use studs rather than the normal bosses so that you don't interfere with seatpost insertion.
Forum: Framebuilders
04-30-19, 02:00 PM
Replies: 14
Views: 2,644
Posted By David Tollefson

I have that same coffee table!

I have that same coffee table!
Forum: Framebuilders
04-29-19, 06:43 AM
Replies: 15
Views: 2,867
Posted By David Tollefson

Not even on the trainer...

Not even on the trainer...
Forum: Framebuilders
04-17-19, 02:40 PM
Replies: 20
Views: 2,295
Posted By David Tollefson

Fill the fork legs with lead shot... [Sorry,...

Fill the fork legs with lead shot...

[Sorry, the day job has my snark on high output today.]
Forum: Framebuilders
04-17-19, 02:38 PM
Replies: 106
Views: 11,631
Posted By David Tollefson

I'll just send out a mass email to all of my...

I'll just send out a mass email to all of my customers. "In the case of propane-use induced frame failures, survivors should contact me directly at..."
Forum: Framebuilders
04-17-19, 07:49 AM
Replies: 106
Views: 11,631
Posted By David Tollefson

I've been using oxy (via medical oxygen...

I've been using oxy (via medical oxygen concentrator)/propane for over 5 years exclusively. Fillet brazing. No problems. News to me if it isn't suitable.
Forum: Framebuilders
04-11-19, 03:15 PM
Replies: 11
Views: 979
Posted By David Tollefson

Almost looks like dried linseed oil.

Almost looks like dried linseed oil.
Forum: Framebuilders
04-11-19, 10:19 AM
Replies: 17
Views: 1,845
Posted By David Tollefson

Aircraft Spruce has grab-bag 4130 tube ends. I...

Aircraft Spruce has grab-bag 4130 tube ends. I went that route and got some nice pieces, all at 12" or slightly less in length.
Forum: Framebuilders
04-04-19, 08:40 AM
Replies: 22
Views: 1,480
Posted By David Tollefson

If it were me, and that damage was undisclosed,...

If it were me, and that damage was undisclosed, it would be going right back to the seller.
Forum: Framebuilders
02-06-19, 03:59 PM
Replies: 3
Views: 1,348
Posted By David Tollefson

Rear dropouts that put the chainstay below the rear axle?

I'm looking for some steel dropout options that put the chainstay intersection below the rear axle (10mm QR). I'm only aware of two right now: a plug-type track dropout...
Forum: Framebuilders
01-10-19, 08:33 AM
Replies: 28
Views: 2,979
Posted By David Tollefson

Stupid question: Why not just swap the hub end...

Stupid question: Why not just swap the hub end caps to QR? That conversion usually takes less than 5 minutes on compatible hubs.
Forum: Framebuilders
01-07-19, 07:32 AM
Replies: 2
Views: 641
Posted By David Tollefson

I think the Spyres are only in flat mount now,...

I think the Spyres are only in flat mount now, just FYI in case you didn't know. If you're needing an ISO mount set of Spyres, I might be able to help you out.
Forum: Framebuilders
01-07-19, 07:28 AM
Replies: 7
Views: 924
Posted By David Tollefson

This could be added:...

This could be added: https://www.cycle-frames.com/bicycle-frame-tubing/PUMP-PEG-WITH-90-DEGREE-BEND.html
Forum: Framebuilders
01-07-19, 07:26 AM
Replies: 11
Views: 778
Posted By David Tollefson

Reamer, facer and cone are spoken for with a...

Reamer, facer and cone are spoken for with a back-up alternate if the first falls through.
Forum: Framebuilders
01-04-19, 07:13 PM
Replies: 11
Views: 778
Posted By David Tollefson

Come to think of it... I have the Park 44mm...

Come to think of it... I have the Park 44mm reaming cutter and the "extension" cone (whatever the proper name for that is -- goes over the 1-1/8 cone on the handle set to fit a 44mm head tube), never...
Forum: Framebuilders
01-04-19, 07:02 AM
Replies: 11
Views: 778
Posted By David Tollefson

My experience has been that most shops, unless...

My experience has been that most shops, unless they've been around for a LONG time, don't have the tools to do the finish reaming and facing of a frame. Your best bet is to find a local framebuilder...
Forum: Framebuilders
12-05-18, 09:20 AM
Replies: 12
Views: 887
Posted By David Tollefson

Straight full-round 5/8" center rod, cone are...

Straight full-round 5/8" center rod, cone are held in place with set screws (paddle-type thumb screws, doesn't take much pressure to hold them in place). No flat on the rod.

Here's a pic of the...
Forum: Framebuilders
12-05-18, 08:44 AM
Replies: 12
Views: 887
Posted By David Tollefson

Where to buy jig cones?

My jig is a fairly old NorTac, which has its issues for set-up, but it's what I have and does the job (albeit slowly). My current problem is the head tube cones -- the OD of the cone is too small to...
Forum: Framebuilders
11-27-18, 11:15 AM
Replies: 14
Views: 1,160
Posted By David Tollefson

Vari-Wall has complete diagrams of all their...

Vari-Wall has complete diagrams of all their stays, with bend locations and angles.
Forum: Framebuilders
11-26-18, 03:40 PM
Replies: 5
Views: 698
Posted By David Tollefson

Nova head tubes for 1-1/8" steerers are 36.0mm OD...

Nova head tubes for 1-1/8" steerers are 36.0mm OD and 1.1mm thickness. These can be ordered at 600mm length (23.6 inches). Otherwise you can order whatever length you want from Aircraft Spruce of...
Forum: Framebuilders
10-22-18, 06:25 AM
Replies: 6
Views: 394
Posted By David Tollefson

When I add brazed-on cable guides, they're either...

When I add brazed-on cable guides, they're either brass or stainless. Carved up to allow for any water to drain out, rust has never been a problem.
Forum: Framebuilders
10-15-18, 06:40 AM
Replies: 91
Views: 4,652
Posted By David Tollefson

Look up Gus Salmon Decals...

Look up Gus Salmon Decals (https://www.facebook.com/gsalmondecals/) on Facebook -- he's done my frame graphics in water slide decals. He specializes in antique frame restoration graphics, but did...
Forum: Framebuilders
10-12-18, 01:27 PM
Replies: 5
Views: 416
Posted By David Tollefson

Paragon uses both 4130 and 1018 steel for their...

Paragon uses both 4130 and 1018 steel for their dropouts.
Forum: Framebuilders
10-11-18, 10:10 AM
Replies: 11
Views: 688
Posted By David Tollefson

I've used quite a bit of the Nova tubing, and...

I've used quite a bit of the Nova tubing, and really haven't run into any issues either with orders, fulfillment, or customer service. I've only had one tube fail in service, and that was due to a...
Forum: Framebuilders
10-11-18, 10:07 AM
Replies: 10
Views: 438
Posted By David Tollefson

The problem isn't the structural integrity of the...

The problem isn't the structural integrity of the brake bridge after the repair, it's the fact that a huge gap now exists between the seatstay and the brake bridge, which leads us to believe that...
Forum: Framebuilders
10-09-18, 09:28 AM
Replies: 59
Views: 4,386
Posted By David Tollefson

Yeah, hits me as a "WTF?" kind of thing. What...

Yeah, hits me as a "WTF?" kind of thing. What could possibly go wrong?
Forum: Framebuilders
09-13-18, 07:52 AM
Replies: 25
Views: 1,172
Posted By David Tollefson

I've actually never run out a BBQ bottle propane...

I've actually never run out a BBQ bottle propane tank framebuilding. My wife steals them for the smoker (when it runs out) long before I get to the empty mark.
I paid $350 off a CL ad for my medical...
Forum: Framebuilders
09-04-18, 06:08 AM
Replies: 8
Views: 522
Posted By David Tollefson

About 6 years ago I inquired with Dave Levy at Ti...

About 6 years ago I inquired with Dave Levy at Ti Cycles Fabrication about modding my Ti Cycles Softride frame to a 1-1/8" head tube, as well as tweaking the head tube angle slightly. While I won't...
Forum: Framebuilders
08-31-18, 09:41 AM
Replies: 17
Views: 820
Posted By David Tollefson

Well, now I feel like a totally uncoordinated...

Well, now I feel like a totally uncoordinated putz...
Forum: Framebuilders
08-20-18, 12:37 PM
Replies: 21
Views: 901
Posted By David Tollefson

https://cimg1.ibsrv.net/gimg/bikeforums.net-vbulle...

https://cimg1.ibsrv.net/gimg/bikeforums.net-vbulletin/802x537/batman_approves_b33fbb1d06eb0eb7083bf8dc4a159d29c7c8840a.jpg
Forum: Framebuilders
07-30-18, 06:17 AM
Replies: 16
Views: 749
Posted By David Tollefson

This (https://cirruscycles.com/)works pretty...

This (https://cirruscycles.com/)works pretty well...

https://cimg4.ibsrv.net/gimg/bikeforums.net-vbulletin/959x719/lmgd_1_hot_mess_228ad33419569486d8420a460225e1c8e548eaa3.jpg
Forum: Framebuilders
07-20-18, 11:16 AM
Replies: 9
Views: 1,007
Posted By David Tollefson

Well, since you'll be brazing, that takes...

Well, since you'll be brazing, that takes aluminum out of consideration. Stainless works, though you'll need to use something like 56% silver or Fillet Pro for your filler. And it uses a different...
Forum: Framebuilders
07-19-18, 07:30 AM
Replies: 16
Views: 1,129
Posted By David Tollefson

Before you touch flame to those tubes, get a...

Before you touch flame to those tubes, get a bunch of tube ends (Aircraft Spruce sells boxes of grab-bag tube ends) to practice with. Practice your miters. Practice fillets on multiple angles. Find...
Forum: Framebuilders
05-03-18, 05:35 AM
Replies: 19
Views: 2,545
Posted By David Tollefson

Are you using propane-specific tips? If not, just...

Are you using propane-specific tips? If not, just a touch with a drill bit to give the tip opening a slight chamfer will do wonders for keeping the flame attached.
Forum: Framebuilders
05-02-18, 03:06 PM
Replies: 19
Views: 2,545
Posted By David Tollefson

You can also get grab-bag short sections of tube...

You can also get grab-bag short sections of tube from Aircraft Spruce pretty cheaply.
Forum: Framebuilders
05-02-18, 06:20 AM
Replies: 19
Views: 2,545
Posted By David Tollefson

Looks a lot like my set-up. I'm not so sure...

Looks a lot like my set-up.

I'm not so sure you'll want to use a quiet flame unless you're silvering on small parts. You'll want more heat. For fillet brazing, I'm using a #4 tip and the flame...
Forum: Framebuilders
05-02-18, 06:14 AM
Replies: 72
Views: 9,811
Posted By David Tollefson

Awesome work. And I'm sure they'll be put to good...

Awesome work. And I'm sure they'll be put to good use, ridden hard, and produce many smiles.

A couple thoughts on your above points:
1) Marymoor is a shallow banked track. You can get away with...
Forum: Framebuilders
04-18-18, 04:05 PM
Replies: 13
Views: 973
Posted By David Tollefson

Aside from the frame design considerations, if he...

Aside from the frame design considerations, if he isn't already well settled into a track-specific position, then duplicating his road position in the drops isn't the worst thing he could do. If I...
Forum: Framebuilders
04-18-18, 06:38 AM
Replies: 13
Views: 973
Posted By David Tollefson

Marymoor does indeed have loaner bikes, and a...

Marymoor does indeed have loaner bikes, and a very good beginner program. Check their facebook page and contact Amara Edwards for more info.

As to frame design, yes, there are considerations for...
Forum: Framebuilders
04-16-18, 06:39 AM
Replies: 22
Views: 1,823
Posted By David Tollefson

My flat surface is a 1-1/4" thick piece of...

My flat surface is a 1-1/4" thick piece of granite counter top on saw horses (steel), supported by 1-1/2" oak ply planks. Originally I had a composite slate section from a billiard table.

While a...
Forum: Framebuilders
03-12-18, 06:46 AM
Replies: 36
Views: 3,479
Posted By David Tollefson

When I had my first custom bike built (a Paul...

When I had my first custom bike built (a Paul Barkley Softride), it was right when rear spacing was trasitioning from 126 to 130mm. I was still on 126 at the time, but knew I'd be on 130's in the...
Forum: Framebuilders
03-06-18, 04:01 PM
Replies: 29
Views: 2,360
Posted By David Tollefson

I find drywall square and measuring tape works...

I find drywall square and measuring tape works pretty well.
Forum: Framebuilders
02-02-18, 06:53 AM
Replies: 72
Views: 9,811
Posted By David Tollefson

Nice work. I love having a long day (or two) to...

Nice work. I love having a long day (or two) to put completely into building. My initial immersion was a 3-day intensive workshop with Dave Levy of TiCycles Fabrication, what ended up to be almost 12...
Forum: Framebuilders
01-12-18, 03:49 PM
Replies: 10
Views: 1,542
Posted By David Tollefson

Couple things to note: * He does have flux...

Couple things to note:

* He does have flux in the crown already, along with some brass. He knows when the steerer/crown joint is up to temp when he can see the brass flowing out the crown race...
Forum: Framebuilders
01-12-18, 03:31 PM
Replies: 21
Views: 1,839
Posted By David Tollefson

The Nova site has a notcher/miter facility also:...

The Nova site has a notcher/miter facility also: Miter Your Tubes with Tube Notcher ! :: Nova Cycles Supply Inc. (http://www.cycle-frames.com/bicycle-frame-tubing/Tabbed-Tube-Notcher.html)
Forum: Framebuilders
01-09-18, 07:35 AM
Replies: 16
Views: 3,720
Posted By David Tollefson

I'll have to take some with the next build.

I'll have to take some with the next build.
Showing results 1 to 50 of 122
 


 
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