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Discussion in 'Archived Threads 2001-2004' started by Jeff Rosz, Jan 26, 2003.
just a heads up for yas.
Sorry, but what´s the FRD site?
oh, sorry here's the link. lots of good stuff there.
to anyone in the know(Anthony G. perhaps?):wrt the LT sheet there, i have noticed a few quirks on the sheet. would anyone care to answer some questions?
jack, no prob
Thanx, it shure was!
I haven't worked on that spreadsheet for some time but I can try to help
I noticed that the Xmax for the default driver, Tumult, is listed as 68mm, but the cell calls for one-way excursion in the pop-up.
So far, I've noticed it won't import old file formats.
It doesn't calculate Vd correctly.
I've always had to play with driver diameter to get correct Sd.
The expanded driver/wiring section is nice!
Jack, I agree. Would be much easier. Why enter driver diameter at all, really?
Xmax may be the culprit. It looks like peak/peak gets the correct calculations and graphs going. Didn't take notice on the Tumult.
Input Buffer control gives me runtime error 1004 - Unable to set the Colorindex property of the font class.
The "Exceeded Max Excursion/Amplifier Power" popups no longer work.
I miss the toggle up/down control on the Power Applied cell.
I forget why Diameter was used. I think it was in one of the earlier codings. I changed it a while back to Sd, but for some reason, it got re-coded to Diam. As far as anything involving macros/VB, you will have to talk with Paul on those.
i go to work and look what i miss..
jack and pete found eveything i did.
however the input buffer button locks the whole thing(on my comp anyway). sometimes i have to minimize the whole sheet several times for any changes to take effect. might be my version of excel though, excel 97.
the array section is a nice addition but a might confusing, i had to play with it and look at the formulas to figure it out....the user entered number in cell B20 "isobaric series" must be 1. otherwise you get division by 0 in cell B11 "comp drivers". maybe this is as it should be, i dunno?
so for a tummy, do we use 34 or 68 for xmax? edit: nevermind, one way, thx jack. just changed it to 34 and save file.
and a general question i have is about box stuffing...so i design a box with stuffing for a certian Q. naturally, Vb decreases due to stuffing. the LT sheet calls for Vb & fsc & Q. do i enter my params "as stuffed" or enter the unstuffed numbers?
"It doesn't calculate Vd correctly." it doesnt? is Vd not xmax*Sd?