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From: AMuzi <am@yellowjersey.org>
Newsgroups: rec.bicycles.tech
Subject: Re: Disc brake maintenance tips
Date: Thu, 11 Jul 2024 20:08:57 -0500
Organization: Yellow Jersey, Ltd.
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On 7/11/2024 2:02 PM, Zen Cycle wrote:
> On 7/11/2024 2:59 PM, Frank Krygowski wrote:
>> On 7/11/2024 1:10 PM, Jeff Liebermann wrote:
>>> On Thu, 11 Jul 2024 11:19:34 -0500, AMuzi 
>>> <am@yellowjersey.org> wrote:
>>>
>>>> On 7/11/2024 9:56 AM, Jeff Liebermann wrote:
>>>>> On Wed, 10 Jul 2024 12:31:48 -0400, Frank Krygowski
>>>>> <frkrygow@sbcglobal.net> wrote:
>>>>>
>>>>>> On 7/10/2024 11:27 AM, Zen Cycle wrote:
>>>>>>>
>>>>>>> It's already happened with 60 watt incandescents:
>>>>>>> https://www.google.com/search?client=firefox-b-1-d&q=60+wat+lightbulb+hoarding
>>>>>>
>>>>>> That's hilarious!
>>>>>
>>>>> Starting in about 2011, various agencies started 
>>>>> banning the sale
>>>>> products containing lead.  That included the common 
>>>>> 63/37 lead tin
>>>>> solder in common use in electronics.  The various 
>>>>> lead-free solders
>>>>> were marginal replacements at best.  So, I decided to 
>>>>> stock up on
>>>>> rolls of 63/37 solder, which I was assured would soon 
>>>>> be unavailable
>>>>> for retail purchase.  Despite the ban, 63/37 is still 
>>>>> commonly
>>>>> available today.
>>>>> <https://www.google.com/search?q=63%252F37+solder&tbm=isch>
>>>>> At my rate of consumption, I have about a 50 year supply.
>>>>>
>>>>> When California introduced a ban on VoC (volatile 
>>>>> organic compounds),
>>>>> I was caught by surprise and did not have time to stock 
>>>>> up on
>>>>> important chemicals.  I only had what was left on my 
>>>>> shelf, which I
>>>>> still use today (until I run out).  Every few years, 
>>>>> the various EPA's
>>>>> (environmental protection agencies) add products and 
>>>>> chemicals deemed
>>>>> harmful to the environment.  Added to the list are now 
>>>>> TAC's (toxic
>>>>> air chemicals) and GHG's (green house gases).  I've 
>>>>> been doing a
>>>>> little hoarding, but with the wide range of banned 
>>>>> products, this has
>>>>> become difficult.
>>>
>>>> I share that for many things including 70-30 auto body 
>>>> lead,
>>>> which I use for dent fills on steel frames. The
>>>> 'substitutes' are poor substitutes for the real thing.
>>>
>>> I don't do any auto body work except for minor dings.  I 
>>> use Bondo:
>>> <https://www.3m.com/3M/en_US/p/d/b40071783/>
>>> mostly because it's dimensionally stable.
>>>
>>> I may need to do some body work fairly soon.  My Subaru 
>>> is at 165,000
>>> miles and I've been delaying any major repairs.  I have a 
>>> Harbor
>>> Fright auto body tool kit:
>>> <https://www.harborfreight.com/body-and-fender-set-7-piece-63259.html>
>>> but have never learned to use it.  We'll soon see if 
>>> "learn by
>>> destroying" actually works.
>>>
>>>> Haven't found any way around the methylene chloride ban,
>>>> which means there is no paint remover in USA now. Things
>>>> named 'paint remover' cost more now, they have nice
>>>> 'environmentally friendly' green panels on the package, but
>>>> they will not remove paint.
>>>
>>> Agreed.  I've had the same problem.  I can't find a paint 
>>> stripper
>>> that works.  Aircraft stripper NMP 
>>> (N-Methyl-2-Pyrrolidone) worked for
>>> a while, but was found to cause birth defects and other 
>>> maladies.  I
>>> haven't tried the latest substitutes:
>>> <https://www.socomore.com/en/paint-stripper-kemstrip-600-1000l-p.html>
>>>
>>> You can use a heat gun or IR (infrared) gun to strip 
>>> paint.  Also a
>>> combination of paint stripper and heat to accelerate the 
>>> process might
>>> help:
>>> <https://thecraftsmanblog.com/heat-gun-vs-infrared-paint-stripper/>
>>> <https://thecraftsmanstore.com/product/ir-paint-stripper/>
>>> <https://eco-strip.com>
>>> I don't have any experience with these methods.  Methinks 
>>> the IR gun
>>> is worth trying.
>>
>> I'm willing to agree about lead solder, paint stripper and 
>> even auto body lead (although I've never used the latter).
>>
>> But incandescent heat sources that almost accidentally 
>> throw off a little light? Gosh, why not whale oil lamps 
>> instead?
>>
>   incandescents are _horribly_ inefficient. IMO the big beef 
> is just people don't wish to be told to change.

The color of the light is different.
Which is either important or it's not. For you.
-- 
Andrew Muzi
am@yellowjersey.org
Open every day since 1 April, 1971