[Harp-L] Seydel Chromatic Springs

[John Jordan]

Local radio control model store has quite a selection of micro screws. 

John

> On May 7, 2017, at 4:21 PM, Sheltraw <macaroni9999 at xxxxx> wrote:
> 
> I am going to stop by one of our local Fastenal shops to see if they can order a m2.5 machine screw that is partially threaded. 
> 
> I am predicting that this partially threaded spring screw plus the stock spring (which is much less stiff than the replacement springs) will yield a very smooth and responsive slider for the Saxony.
> 
> If Fastenal can't special order one at a reasonable price does anybody have a suggestion for where to get one. Are the threads on stainless steel small screws like this cut or rolled?
> 
> Daniel
> 
> Sent from my iPhone
> 
>> On May 5, 2017, at 4:44 PM, Sheltraw <macaroni9999 at xxxxx> wrote:
>> 
>> Hi Greg and Joe
>> 
>> So I made a ferrule to slip over spring screw and protect the spring's coil from the threads of the screw. The first thing I noticed (using the stiffer replacement spring which is all I presently have) is how smooth the slider now feels. Gone are the rough spots that I think are coming from the spring coil bouncing over the screw threads when the slider moves. Yes!!
>> 
>> So I am going to predict that if Seydel were to provide a stainless steel ferrule or use a screw that is only threaded on its distal 1/3 then they could:
>> 
>> (1) Use the stock spring which is less stiff than the replacement spring. I think customers would like that.
>> 
>> (2) Have less friction in the slider and spring assembly. I think customers would like that.
>> 
>> (3) Get fewer complaints of stock spring breaks because the screw threads are no longer cutting into the spring coil. I think Seydel would like that.
>> 
>> Ideally I think having a screw that is only threaded on its distal 1/3 is the ideal solution for two reasons:
>> 
>> (1) Small ferrules could be easily lost by those servicing their Saxony.
>> 
>> (2) The ferrule and spring is a tight fit in the spring cut-away in the comb.
>> 
>> What do you think, Greg? Can this be made to happen?
>> 
>> Daniel
>> 
>> Sent from my iPhone
>> 
>>> On May 5, 2017, at 12:52 PM, Greg Jones <greg at xxxxx> wrote:
>>> 
>>> The subject of Seydel chromatic springs has come up and so I wanted to
>>> clarify some things with regard to this subject.
>>> 
>>> Seydel chromatics come stock with a light spring that allows the advanced
>>> chromatic player a smooth slide action for fast passages.  The spring works
>>> well for most players and especially those who like a quick slide action.
>>> However, the Seydel chromatic mouthpiece assembly is designed for maximum
>>> airtightness and precise fitting parts and as such, it must be kept clean.
>>> 
>>> The enemy of a smooth functioning slide is saliva.  Moisture buildup in the
>>> slide assembly ultimately leads to a sticky buildup on the slide and that
>>> causes the slide stick and more significantly puts added stress on the
>>> spring.  Most players do not experience significant problems with the
>>> springs and in general, players who keep the mouthpiece assembly clean and
>>> properly adjusted experience even fewer spring breakage.
>>> 
>>> Nevertheless Seydel understands that occasionally mechanical parts break
>>> even under the best of conditions.  Seydel has a replacement spring that is
>>> sturdier. However, the trade-off is that the slide mechanism with be harder
>>> to press.
>>> 
>>> We still feel like the stock spring is a better option - especially for
>>> players who play chromatically, but this is a matter of personal
>>> preference.
>>> 
>>> For tips on keeping your Seydel chromatic slide clean, check out the blog
>>> section of my web site.
>>> 
>>> http://www.1623customharmonicas.com/blog
>>> 
>>> 
>>> Greg Jones
>>> Seydel Technician
>>> 
>>> Web Site:        1623customharmonicas.com