I have always wanted to see a goalie accidently pass the puck to the other team from behind the net, it happened today..

it's not like there is a secret to it...

Oh there are secrets

let me in man

You must discover them yourself young one

don't worry master, i will discover the path and set forth for it

oil change=90 bucks for my brothers BMW, Sean how much does your M5 cost?

oil change=90 bucks for my brothers BMW, Sean how much does your M5 cost?

Good god did they pour liquid gold in there?!

oil change=90 bucks for my brothers BMW, Sean how much does your M5 cost?

Good god did they pour liquid gold in there?!

pretty much....ended up using around seven bottles of motor oil

oil change=90 bucks for my brothers BMW, Sean how much does your M5 cost?

Good god did they pour liquid gold in there?!

pretty much....ended up using around seven bottles of motor oil

That seems cheap for a dealerhip or shop.

oil change=90 bucks for my brothers BMW, Sean how much does your M5 cost?

$4 for the filter and ~$30 for synthetic oil

oil change=90 bucks for my brothers BMW, Sean how much does your M5 cost?

$4 for the filter and ~$30 for synthetic oil

you do it yourself

~10 for the filter and ~55 for oil for the E55

Guys...I'm working on the port size for an enclosure, I'm using these formulas : Sd = pi*(Dia/100)^2/4

Vd = Sd*Xmax/1000

Dmin = 100*(20.3*(Vd^2/Fb)^0.25)/Np^.5

And I came up with 264.9 in. That doesn't seem right at all

Math kickin' my ass top

Guys...I'm working on the port size for an enclosure, I'm using these formulas : Sd = pi*(Dia/100)^2/4

Vd = Sd*Xmax/1000

Dmin = 100*(20.3*(Vd^2/Fb)^0.25)/Np^.5

And I came up with 264.9 in. That doesn't seem right at all

dv = min vent dia in inches

fb = tuning freq

vd = cone displacement in cubic meters

dv >= 39.37*(411.25*Vd / sqrt Fb) ^(1/2)

Or

dv >= 39.37* (fb*Vd) ^(1/2)

Guys...I'm working on the port size for an enclosure, I'm using these formulas : Sd = pi*(Dia/100)^2/4

Vd = Sd*Xmax/1000

Dmin = 100*(20.3*(Vd^2/Fb)^0.25)/Np^.5

And I came up with 264.9 in. That doesn't seem right at all

dv = min vent dia in inches

fb = tuning freq

vd = cone displacement in cubic meters

dv >= 39.37*(411.25*Vd / sqrt Fb) ^(1/2)

Or

dv >= 39.37* (fb*Vd) ^(1/2)

So was I using the wrong formula?

Guys...I'm working on the port size for an enclosure, I'm using these formulas : Sd = pi*(Dia/100)^2/4

Vd = Sd*Xmax/1000

Dmin = 100*(20.3*(Vd^2/Fb)^0.25)/Np^.5

And I came up with 264.9 in. That doesn't seem right at all

dv = min vent dia in inches

fb = tuning freq

vd = cone displacement in cubic meters

dv >= 39.37*(411.25*Vd / sqrt Fb) ^(1/2)

Or

dv >= 39.37* (fb*Vd) ^(1/2)

So was I using the wrong formula?

I guess, where did you get it from?

I guess, where did you get it from?

The Subwoofer DIY Page - Port Calculations

Why the fuck is the trash truck coming along at 1:15 in the morning?

I guess, where did you get it from?

The Subwoofer DIY Page - Port Calculations

huh, the ones I wrote are from the Loudspeaker Design Cookbook.

I guess, where did you get it from?

The Subwoofer DIY Page - Port Calculations

huh, the ones I wrote are from the Loudspeaker Design Cookbook.

Thanks bromo I'll try those formulas.

Hey I tried to play with Excel and make it calculate using those formulas but I couldn't get it to work at all, any tips?

Well bromo I got 559.2 in with your formula, I'll do back and redo the Sd and Vd.

I guess, where did you get it from?

The Subwoofer DIY Page - Port Calculations

huh, the ones I wrote are from the Loudspeaker Design Cookbook.

Thanks bromo I'll try those formulas.

Hey I tried to play with Excel and make it calculate using those formulas but I couldn't get it to work at all, any tips?

Make sure you write them right in Excel and have an example for checking.

I guess, where did you get it from?

The Subwoofer DIY Page - Port Calculations

huh, the ones I wrote are from the Loudspeaker Design Cookbook.

Thanks bromo I'll try those formulas.

Hey I tried to play with Excel and make it calculate using those formulas but I couldn't get it to work at all, any tips?

Make sure you write them right in Excel and have an example for checking.

I wrote them right, but it would be easier to see it done, I don't have any examples.

Okay I redid my Sd and Vd and came up with 52.7 in, that sounds much better Thanks bromo!

bromo with your formula is that for a round port or slot port? If it was for a round the conversion to a slot is Dv' = 2*((W*H)/pi)^0.5 right?

Damn...it's a lonely night!