Path: news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail
From: AMuzi <am@yellowjersey.org>
Newsgroups: rec.bicycles.tech
Subject: Re: Airshot fitting for air dusting
Date: Thu, 15 May 2025 20:32:34 -0500
Organization: Yellow Jersey, Ltd.
Lines: 43
Message-ID: <10064jh$3dd7i$1@dont-email.me>
References: <slrn102bvrc.9vm.theise@panix2.panix.com>
 <10050la$354p9$5@dont-email.me> <slrn102d4d7.fqm.theise@panix2.panix.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
Injection-Date: Fri, 16 May 2025 03:32:35 +0200 (CEST)
Injection-Info: dont-email.me; posting-host="1b1acb74e826cda89988d803b8c36317";
	logging-data="3585266"; mail-complaints-to="abuse@eternal-september.org";	posting-account="U2FsdGVkX18kFGHcVAqv/QFD869FKAOl"
User-Agent: Mozilla Thunderbird
Cancel-Lock: sha1:RcLojYjXylcGwWgrfG9Cwg9pJMo=
Content-Language: en-US
In-Reply-To: <slrn102d4d7.fqm.theise@panix2.panix.com>

On 5/15/2025 8:15 PM, Ted Heise wrote:
> On Thu, 15 May 2025 10:19:06 -0500,
>    AMuzi <am@yellowjersey.org> wrote:
>>   On 5/15/2025 9:51 AM, Ted Heise wrote:
> 
>>> https://www.airshot.bike/
> 
>>> In the meantime, I'm wondering if it could be used as an air
>>> duster.  It has the valve core adaptor for dumping air into a
>>> Presta valve with the core out.  This focuses the air down
>>> somewhat, but a full 120 lb load of air was discharged in
>>> maybe 10-20 seconds.  I'm thinking some kind of fitting with a
>>> smaller bore lumen would extend the dusting time, as well as
>>> increase the dusting pressure.
> 
>>   What's old is new again!
>>   https://velobase.com/ViewComponent.aspx?ID=D3842EA2-1D6E-4313-BC9A-961855C98EEA
>>
>>   Those were common among the Pros when I was young I have one
>>   someplace.
>>
>>   What you want is some type of regulator to drop the pressure.
>>   For your purposes it need not be expensive:
>>
>>   https://www.homedepot.com/p/Powermate-1-4-in-NPT-Inlet-Outlet-x-1-8-in-NPT-Gauge-Pressure-Regulator-019-0167RP/202592873
>>
>>   How to arrange the plumbing is another question.
> 
> Seems like a lot more than I need.  The ball inflater needle that
> came with my floor pump looks about right in terms of the opening
> size, but getting it threaded onto the presta fitting of the
> Airshot is the trick I need to solve.  The needle has inner
> threading that looks about right, but the opening is not long
> enough for the threads to engage the fitting.
> 

Standard ball inflating needle is threaded 0.305" -32tpi, 
same as a Schrader valve thread.

-- 
Andrew Muzi
am@yellowjersey.org
Open every day since 1 April, 1971