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Re: Estimated Average Construction Time for BFM Cab Designs
Posted: Fri May 04, 2012 8:53 pm
by DaveK
Ok, I'll give you ballpark averages. This is assuming the friends you contract with are experienced woodworkers with decent tools, but not necessarily pros. Figure 30 hours for the first cab and 20 per cab after that. Add 5 hours if building DRs. The pros on here do it in less than half that time, but they have lots of tricks and have invested lots of time in jigs.
Re: Estimated Average Construction Time for BFM Cab Designs
Posted: Fri May 04, 2012 9:04 pm
by BrentEvans
Here's the forumla:
Number of panels * size of drivers / number of angled cuts + bottles of PL - air density * humidity + performance quotient / number of pages in plans * (woodworking skill rated on a scale of 1-19 ^ number of saws used) * 60 seconds in a minute / 24 hours in a day

Re: Estimated Average Construction Time for BFM Cab Designs
Posted: Fri May 04, 2012 9:25 pm
by Michael Ewald Hansen
BrentEvans wrote:Here's the forumla:
Number of panels * size of drivers / number of angled cuts + bottles of PL - air density * humidity + performance quotient / number of pages in plans * (woodworking skill rated on a scale of 1-19 ^ number of saws used) * 60 seconds in a minute / 24 hours in a day

Shush! Don't give all the info away.. I've been following the 'Average-Build-Time-For-Anyone-Wondering-Formula" now for a while and its perfect and works wonders for figuring out exactly how much time one must spend building a cab!
Code: Select all
(P*D)/(A+PL-AD)*(H+Q)/PP*〖(W〗^S)*Z/F= X
P = Number of panels
D = size of drivers
A = number of angled cuts
PL = bottles of PL
AD =air density
H = humidity
Q = performance quotient
PP = number of pages in plans
W = woodworking skill rated on a scale of 1-19
S = number of saws used
Z = seconds in a minute
F = hours in a day
X = Estimated Average Construction Time for BFM Cab Designs
Re: Estimated Average Construction Time for BFM Cab Designs
Posted: Fri May 04, 2012 9:38 pm
by Bill Fitzmaurice
You forgot BPC...Beers consumed Per Cab.

Re: Estimated Average Construction Time for BFM Cab Designs
Posted: Fri May 04, 2012 9:42 pm
by Michael Ewald Hansen
Bill Fitzmaurice wrote:You forgot BPC...Beers consumed Per Cab.

Damn - forgot. Its easy though, its just:
Code: Select all
X^BPC
X = Estimated Average Construction Time for BFM Cab Designs
BPC = Beers consumed Per Cab.
Which sums up to quite a large factor - but thats the laws of physics. Can't mess with the laws of physics!
Edit: Jikes, just remember that I forgot an important determinant.
TSF = Time Spent on Forums.
So its actually:
Code: Select all
X^(BPC*TSF) = XF
X = Estimated Average Construction Time for BFM Cab Designs
BPC = Beers consumed Per Cab.
TSF = Time Spent on Forums.
XF = Estimated Average Construction Time for BFM Cab Designs With Calculated Real Life Delays
Re: Estimated Average Construction Time for BFM Cab Designs
Posted: Fri May 04, 2012 10:20 pm
by Philip Kelley
I don't see anything in these formulae that factors in marital status. My experience indicates that having a spouse limits shop time and thus adds significantly to build time.
Re: Estimated Average Construction Time for BFM Cab Designs
Posted: Fri May 04, 2012 10:54 pm
by Grant Bunter
Another item from the equation that has been missed is SWMBO down time (if applicable)...
Edit: Phillip has introduced that variable already
Re: Estimated Average Construction Time for BFM Cab Designs
Posted: Sat May 05, 2012 4:18 am
by Harley
DR250s - 4 at a time (4AAT), hum-dinger jigs (HDJ), different construction regime than in the plans - but sticking to all dimensional constraints, wood thickness etc (SMARTS) and a few builds under the belt ( HEAPSOFEXPERIENCE ) = 7 hrs a piece.

Re: Estimated Average Construction Time for BFM Cab Designs
Posted: Sat May 05, 2012 6:50 am
by LelandCrooks
Is this place geeky or what.

Re: Estimated Average Construction Time for BFM Cab Designs
Posted: Sat May 05, 2012 7:44 am
by Bill Fitzmaurice
Philip Kelley wrote: My experience indicates that having a spouse limits shop time and thus adds significantly to build time.
You must be a newlywed.
Once SWMBO has become She Who Must Be Avoided more shop time=less nagging time. This also ties in with BPC.
Re: Estimated Average Construction Time for BFM Cab Designs
Posted: Sat May 05, 2012 8:10 am
by doncolga
Well at my house it's PMS time right now...and a "supermoon", and she has a cold.

Thankfully I have a gig that will take most of the day. Otherwise I'd be doing anything to get out of the house.
Re: Estimated Average Construction Time for BFM Cab Designs
Posted: Sat May 05, 2012 6:36 pm
by metaverse
In all seriousness though , the reference points help more than they hinder. That much is certain.