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Staiper Mini Scooper 18v2

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levyte357 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote levyte357 Quote  Post ReplyReply Direct Link To This Post Topic: Staiper Mini Scooper 18v2
    Posted: 07 December 2009 at 6:23pm
Couldn't be bothered with all the follow the link busines, so here it is..









Edited by levyte357 - 07 December 2009 at 6:32pm
"Who am I? I'm the guy who does his job.. You must be the other guy".
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staiper View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote staiper Quote  Post ReplyReply Direct Link To This Post Posted: 07 December 2009 at 6:37pm
.Yes old thread is a  dedicated to first version so after some time if someone is interested may be mess to find thing.


Aimed to be DIYable as much as I can.

 

- MK2  - look above



EDIT: MK3 - version added here:






Edited by staiper - 15 January 2010 at 11:24pm
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levyte357 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote levyte357 Quote  Post ReplyReply Direct Link To This Post Posted: 07 December 2009 at 6:50pm
Originally posted by staiper staiper wrote:

.

Aimed to be DIYable as much as I can.



Clap


Mr Staiper, could you please post HR Input data.


"Who am I? I'm the guy who does his job.. You must be the other guy".
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joseph View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote joseph Quote  Post ReplyReply Direct Link To This Post Posted: 08 December 2009 at 9:21am
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Edited by joseph - 18 December 2009 at 10:34am
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tweeter box View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote tweeter box Quote  Post ReplyReply Direct Link To This Post Posted: 08 December 2009 at 9:39am
that looks spot on, anyone gonna build it?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Tekasis Quote  Post ReplyReply Direct Link To This Post Posted: 08 December 2009 at 3:53pm
Originally posted by tweeter box tweeter box wrote:

anyone gonna build it?
 
-------//-------
 
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staiper View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote staiper Quote  Post ReplyReply Direct Link To This Post Posted: 08 December 2009 at 5:42pm
Here is copy/paste my text from FSP to bypass that linking-scrolling:

*******************************************************************

As first version of MS18 was designed only by sim to explore or define border between BR and horn mode. First model with too large chamber relied more on BR mode which at the end have resulted with insufficient cone control and required modification to make it work.

Due to that problems and due to fact that we can never have enough "mini scoops" in a world I had "obligation" smiley1 to make second version based purely on rear loaded horn mode - approach.
I have tried to maximally simplify building / panel cutting but without compromising intended design.

If you check MKII plan closely you will see that all panels are dimensioned at nice "round" numbers and that
there is few panels that share exactly same dimensions (panels "B" and "G" , panels "D", "E", "F") , same width of "throat panel T" and chamber braces, same height of "horn braces" as panels "B"&"G") ..and only one "nonstandard" angle side-cut (8degrees at panel "C") - all other is pure 90degrees or 45degrees for corner pieces.
All intended to make panel preparation and building easy as much as possible - I think smiley1 .

However this one is still NOT BUILT OR TESTED (which was also case with MKII and what resulted with unsatisfactory results without modifications) ..so before first relevant testing is done any potential builder may be volunteer "beta tester" and I really can't claim anything.
..So at the moment published only for those who can spend some wood+ time for test. Sims says that all will be nice now (But who believe sims any more :think: ... :shock: ...... :lol: )

Eh , and plans:

Image

********************************************************************

@Levy

HR inputs

MK2

S1 = 800 cm2
L1 = 135cm con
S2 = 1607 cm2
L2 = 51 cm con
S3 = 1940 cm2
Vtc =  61000 - 62000 (61 - 62ltr. depending on unit selected)
Atc = 1300

-------------------------------

Mk3
- option (+ one more panel "B" on top of throat panel "T")

S1 = 795 cm2
L1 = 137cm con
S2 = 1607 cm2
L2 = 51 cm con
S3 = 1940 cm2
Vtc =  41000 - 42000 (41 - 42ltr. depending on unit selected)
Atc = 900




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Post Options Post Options   Thanks (0) Thanks(0)   Quote joseph Quote  Post ReplyReply Direct Link To This Post Posted: 09 December 2009 at 7:58am
Sleepy


Edited by joseph - 18 December 2009 at 10:33am
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Father-Francis View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Father-Francis Quote  Post ReplyReply Direct Link To This Post Posted: 09 December 2009 at 9:19am
what is the role of the panel "T" ,

take a good look at the super scoop it has the dogleg, so maybe you can call this one the T-bone
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jake_Fielder Quote  Post ReplyReply Direct Link To This Post Posted: 09 December 2009 at 9:35am
"T" adds to horn length mainly
 
Without it the throat would be basically the same size by the look of it, but the horn length would be lower and the rear chamber would be a different size
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Post Options Post Options   Thanks (0) Thanks(0)   Quote king david Quote  Post ReplyReply Direct Link To This Post Posted: 09 December 2009 at 9:45am

looks good, i wonder how low can 2 or 3 boxes go, 40hz would be good for most applications

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Autograff Quote  Post ReplyReply Direct Link To This Post Posted: 09 December 2009 at 4:48pm
Recommended drivers?
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