Search: Posts Made By: dwood
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10-08-09, 09:03 AM
Replies: 3
Views: 560
Posted By dwood

When aluminum is heated above [roughly] 500...

When aluminum is heated above [roughly] 500 degrees F it becomes soft . . . any previous heat treatment is removed. Welding takes place at a much higher temperature than this. So what you'd end up...
Forum: Road Cycling
09-17-09, 10:26 PM
Replies: 26
Views: 2,811
Posted By dwood

Well CK21 I guess you've got me figured out! With...

Well CK21 I guess you've got me figured out! With your attitude I suspect you are in your 20's and like some others your age . . . what is right for you 'must' be right for everyone. At any rate, my...
Forum: Road Cycling
09-17-09, 08:52 PM
Replies: 26
Views: 2,811
Posted By dwood

I believe there is more to it than "fit". I'm 65...

I believe there is more to it than "fit". I'm 65 and have never been comfortable bending over to reach the handle bars in what is generally considered the 'proper position'.

Screw you guys! I...
Forum: Commuting
09-13-09, 10:06 AM
Replies: 9
Views: 753
Posted By dwood

I bought one of the Greenfield kickstands [I...

I bought one of the Greenfield kickstands [I think they call it a stabilizer] that mounts on the stays back near the axle. It fit perfectly and works great. The way it is designed it is very stable...
07-14-09, 09:35 AM
Replies: 15
Views: 11,565
Posted By dwood

[QUOTE=Apparently with steel frame and aluminum...

[QUOTE=Apparently with steel frame and aluminum post you want to cool everything and then heat the frame because the steel will expand faster than aluminum (saw that on a post here I believe).QUOTE]...
01-22-09, 05:19 PM
Replies: 8
Views: 2,396
Posted By dwood

Helicoils

One of the common bike pedal thread sizes is 9/16-20.

A standard 9/16 NF thread is 18 threads per inch. I've installed thousands of Helicoils in my shop over the past 35 years and, since I don't...
Forum: Framebuilders
11-08-08, 09:49 PM
Replies: 7
Views: 1,219
Posted By dwood

Stainless, after welding, is generally NOT rust...

Stainless, after welding, is generally NOT rust resistent in the weld zone. As for what I believe you are calling the halo, they make a product that looks like a large ink eraser that 'erases' the...
10-25-08, 09:24 AM
Replies: 19
Views: 732
Posted By dwood

I recently purchased the Joe Blow Pro. Nicest...

I recently purchased the Joe Blow Pro. Nicest floor pump I've ever used. A little more pricey than some of the other models but worth it in my opinion.
09-20-08, 09:40 AM
Replies: 14
Views: 2,793
Posted By dwood

Danno, Great idea for maximum accuracy. The...

Danno,

Great idea for maximum accuracy. The main problem I see is gathering up a 100kg [~220#] weight and figuring out how to attach it to the dangling spoke.

What I did was bend a piece of...
Forum: Touring
08-27-08, 09:58 AM
Replies: 36
Views: 3,354
Posted By dwood

Aluminum brazing alloys have been around for many...

Aluminum brazing alloys have been around for many years . . . and some actually work fairly well. But that doesn't eliminate the problem of losing the heat-treatment of the aluminum due to the heat....
Forum: Touring
08-27-08, 09:25 AM
Replies: 36
Views: 3,354
Posted By dwood

My original criticism of the 1st picture was not...

My original criticism of the 1st picture was not that he was "stick welding", but that he was wearing no helmet and therefore could not see what he was doing. Having said that, the best way to repair...
Forum: Touring
08-24-08, 08:31 PM
Replies: 36
Views: 3,354
Posted By dwood

[QUOTE=Losligato;7333082]In Laos and again in...

[QUOTE=Losligato;7333082]In Laos and again in Vietnam.

http://www.vwvagabonds.com/Bike/images/BrokenBikeWelding6.JPG



I wouldn't trust any welds made by that guy in this picture. He's...
08-07-08, 10:52 AM
Replies: 9
Views: 633
Posted By dwood

While the above statement is true . . . there is...

While the above statement is true . . . there is a very easy way to remove steel races from 'any' hub. No lathe or special tooling needed.

All it takes is a welder, TIG welder being the most...
Forum: Commuting
08-07-08, 10:39 AM
Replies: 75
Views: 3,210
Posted By dwood

Let me see if I've got this straight . . . . ...

Let me see if I've got this straight . . . .

You've exchanged words with a guy's wife in a multi-ton vehicle. Now the guy is pissed over your comments because he feels you insulted his wife.

So...
Forum: Foo
06-20-08, 09:02 PM
Replies: 26
Views: 535
Posted By dwood

I'm a weldor . . . what ya wanna know? ...

I'm a weldor . . . what ya wanna know?

[BTW, a "weldor" with an "o" is a person that welds. A welder with an "e" is the machine he/she welds with]
05-14-08, 08:30 AM
Replies: 5
Views: 440
Posted By dwood

Don't remember. However, I don't think the fender...

Don't remember. However, I don't think the fender size changes with frame size, only wheel size. The wheel size was whatever was offered on the lower-end Schwinn 10-speed bikes in 1977.
05-13-08, 08:08 PM
Replies: 5
Views: 440
Posted By dwood

Free 1977 Schwinn Fenders

I don't know if this kind of post is acceptable on this forum, but I have two pair [two fronts, two rear] of unused new chromed steel fenders I removed from my kid's 1977 Schwinn 10-speed bikes when...
05-10-08, 08:02 PM
Replies: 6
Views: 573
Posted By dwood

Girl's bikes/boy's bikes

When I was growing-up in the '40's and 50's . . . you rode a bike designed for your gender. The boy's bikes had a top tube. The girl's bikes frequently had a double/parallel downtube, no top tube....
Forum: Northeast
05-10-08, 07:39 PM
Replies: 3
Views: 392
Posted By dwood

Although I live in a very low-theft town . . . I...

Although I live in a very low-theft town . . . I still made up a short length of plastic-coated stainless steel cable with loops on each end. I thread it around thru the frame, rear rack, and seat. A...
Forum: Road Cycling
05-05-08, 12:11 PM
Replies: 45
Views: 2,503
Posted By dwood

Great response! Nothing like getting the straight...

Great response! Nothing like getting the straight story from someone that knows what he is talking about! Thanks for the contribution.
05-03-08, 04:24 PM
Replies: 27
Views: 1,000
Posted By dwood

Thanks SweetLou. A suggestion for T-Turtle:...

Thanks SweetLou.

A suggestion for T-Turtle: don't believe everything you read that has been written by 'bicycle experts' even if they claim to be engineers. I suggest you do some independent...
05-03-08, 01:38 PM
Replies: 27
Views: 1,000
Posted By dwood

Absolutely wrong! When it was bent during...

Absolutely wrong! When it was bent during manufacture the area of the bend 'did' exceed its yield point, allowing it to remain bent. But it doesn't 'stay' at its yield point just because it is bent....
05-03-08, 12:54 PM
Replies: 27
Views: 1,000
Posted By dwood

It is really a misnomer when someone says they...

It is really a misnomer when someone says they 'stress relieve' a spoke. When you squeeze adjacent spokes together, or press on the rim, or any number of other ways to 'stress relieve' spokes, you...
05-03-08, 08:26 AM
Replies: 27
Views: 1,000
Posted By dwood

Wow! I guess every engineering book on 'strength...

Wow! I guess every engineering book on 'strength of materials' will now need to have a chapter added. Sarcasm aside, your explanation is simply wrong.
04-28-08, 12:16 PM
Replies: 35
Views: 18,874
Posted By dwood

Hi eddy m, I'm sorry this thread got a...

Hi eddy m,

I'm sorry this thread got a little sidetracked . . . and I'm partly to blame.

Having made the apology . . . you need to be congratulated on your ingenuity in building your own spoke...
04-28-08, 09:54 AM
Replies: 35
Views: 18,874
Posted By dwood

Not necessarily! A properly pre-tensioned spoke...

Not necessarily! A properly pre-tensioned spoke will NOT know whether or not you are sitting on the bike. It is similar to why you torque head bolts on an engine and a bunch of other examples.
...
04-27-08, 04:08 PM
Replies: 35
Views: 18,874
Posted By dwood

I was more tactful! <g>

I was more tactful! <g>
04-27-08, 03:51 PM
Replies: 35
Views: 18,874
Posted By dwood

Others will chime in here . . . but I think you...

Others will chime in here . . . but I think you might be in error about 'less tension' for heavier riders. You want enough tension in each spoke so that as the wheel turns, the spoke doesn't 'feel'...
04-25-08, 08:30 PM
Replies: 35
Views: 11,070
Posted By dwood

P the G, Glad you got this far with it! ...

P the G,

Glad you got this far with it!

Does your allen wrench have a nice square end on it . . . to maximize insertion depth? If you can't get a proper-fitting allen wrench to work . . . the...
04-25-08, 05:20 PM
Replies: 35
Views: 11,070
Posted By dwood

I agree . . . do not try to use a carbide drill...

I agree . . . do not try to use a carbide drill bit. Use a carbide "burr" in a die grinder or other very high-speed tool [Dremel, e.g.]. The burr is available at Home Depot and other hardware stores....
04-25-08, 02:35 PM
Replies: 27
Views: 2,384
Posted By dwood

This is disappointingly true! But the good...

This is disappointingly true!

But the good news, at least with mine, it that they "repeat". In other words, at any given spacing, when opened slightly, then turned back to the original spacing . ....
04-25-08, 01:55 PM
Replies: 35
Views: 11,070
Posted By dwood

Small grinding stones will take forever . . . and...

Small grinding stones will take forever . . . and many of them. A single 1/8" tungsten carbide burr with a point, mounted in a die grinder [or Dremel type tool] will do the work in about 1 minute....
04-25-08, 08:44 AM
Replies: 35
Views: 11,070
Posted By dwood

P the G, I suspect that the broken piece of...

P the G,

I suspect that the broken piece of allen wrench is trapped in the socket head screw by a slight amount of burring near the top of the screw. If you use a carbide rotary burr carefully...
04-24-08, 10:54 PM
Replies: 35
Views: 11,070
Posted By dwood

P the G, The 'heat' method is only...

P the G,

The 'heat' method is only effective on metals with different expansion rates: e.g. aluminum and steel. The broken allen wrench and the bolt are both steel.

If you have a dremel tool...
04-24-08, 10:28 PM
Replies: 35
Views: 11,070
Posted By dwood

Try using a small drift punch [perhaps 3/32"] and...

Try using a small drift punch [perhaps 3/32"] and tap the broken piece of allen wrench on its edge from different angles. This should 'un-wedge' it and it will fall out. Be careful not to hit the hex...
04-23-08, 12:41 PM
Replies: 17
Views: 613
Posted By dwood

I'm with you Machka!! That switch, even tho I'm...

I'm with you Machka!! That switch, even tho I'm getting 'new' components . . . would really tick me off. Just one reason I do all my own bicycle work. And yes, I've spent a fortune on all the right...
04-15-08, 08:45 AM
Replies: 12
Views: 6,444
Posted By dwood

Wear hearing protection also. Not only for this ....

Wear hearing protection also. Not only for this . . . but anytime you use a power saw or grinder. I didn't and my high-frequency hearing is shot. Save it while you can.
04-13-08, 03:48 PM
Replies: 67
Views: 5,939
Posted By dwood

This question isn't directed specifically to you...

This question isn't directed specifically to you A.Winthrop . . . I just quoted you to make my question easier to post.

I'm no stranger to tools. Six months ago when I rekindled my interest in...
Forum: Framebuilders
04-12-08, 10:31 AM
Replies: 9
Views: 6,715
Posted By dwood

Not good advice! The only benefit of using e.g....

Not good advice! The only benefit of using e.g. 4130 wire would be if after all welding is done the whole thing was going to be heat-treated to some elevated tensile condition. The MIG equivelant of...
04-05-08, 11:51 AM
Replies: 36
Views: 1,529
Posted By dwood

Why is Portland OR

considered such a great place for bikes? There have been many post alluding to Portland being cycle-friendly. What is the appeal? Great bike shops? Bike trails/lanes?

I'm not disputing any of...
Forum: Road Cycling
04-04-08, 01:33 PM
Replies: 31
Views: 1,182
Posted By dwood

I read all the posts about being 'fitted' by a...

I read all the posts about being 'fitted' by a LBS . . . and that is probably sound advice. But I don't believe it tells the whole story for many cyclists.

Personally, I'm never going to be an...
Forum: Foo
04-04-08, 12:45 PM
Replies: 31
Views: 890
Posted By dwood

Soon you'll begin to masturbate!

Soon you'll begin to masturbate!
04-04-08, 08:45 AM
Replies: 17
Views: 987
Posted By dwood

You will definitely be ahead of the game if you...

You will definitely be ahead of the game if you get some professional instruction. This can be in a school setting or just some help from a friendly local welding shop.

The only danger from...
Forum: Commuting
04-04-08, 08:26 AM
Replies: 82
Views: 3,947
Posted By dwood

I sorta feel the same way . . . but, to be...

I sorta feel the same way . . . but, to be totally objective, why not do the same while driving a car? Then there would be no need for any stop signs/lights . . . just a bunch of 4-way 'yield' signs.
Forum: Commuting
04-03-08, 09:17 AM
Replies: 17
Views: 2,492
Posted By dwood

I believe Locktite on the crank bolt is a bad...

I believe Locktite on the crank bolt is a bad idea for the following reason. The way the crank/spindle interface works is this: the [relatively] soft aluminum crank taper, when first tightened onto...
Forum: Commuting
04-02-08, 08:17 PM
Replies: 41
Views: 1,504
Posted By dwood

My Dahon Speed P-8 came with this pump/seatpost....

My Dahon Speed P-8 came with this pump/seatpost. Seems well made. Haven't needed it for any flats yet . . . but put it in service one day at a park pumping up some kids inflatable toys.Worked great!
Forum: Framebuilders
04-02-08, 11:00 AM
Replies: 32
Views: 1,722
Posted By dwood

Not necessarily. There usually is some 'slop' in...

Not necessarily. There usually is some 'slop' in the fit so that when the frame is placed in a welding fixture the dropouts can be shifted around some for proper alignment, then welded.

The small...
Forum: Framebuilders
04-02-08, 09:04 AM
Replies: 32
Views: 1,722
Posted By dwood

With 45 years of welding experience I tend to...

With 45 years of welding experience I tend to agree that, although it is a sloppy weld, it will present no problems with strength. I might be tempted to fill the hole on the top with something to...
03-31-08, 12:12 PM
Replies: 22
Views: 4,102
Posted By dwood

As others have said . . . the driver should pay....

As others have said . . . the driver should pay. In a perfect world, no problem. However, I know from experience that getting a 'judgement' against the driver . . . and collecting any money are two...
03-28-08, 08:39 PM
Replies: 35
Views: 1,273
Posted By dwood

The biggest downside of using a magnetic parts...

The biggest downside of using a magnetic parts tray is that the stuff placed in it can end up with residual magnetism. Can be annoying, especially when they pick up a bunch of fuzzy metal slivers. In...
Showing results 1 to 50 of 165
 


 
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