solrules Well-Known Member Joined Dec 30, 2003 Messages 366 Reaction score 0 Apr 18, 2004 #1 In adepts manual, they suggest using a 1/4" hole per 100in^3 of volume. Now, my altimeter bay is 3" x 8" so... 3*pi*8 = 75in^3 Would a 1/4" hole be sufficient, or multiple smaller holes?
In adepts manual, they suggest using a 1/4" hole per 100in^3 of volume. Now, my altimeter bay is 3" x 8" so... 3*pi*8 = 75in^3 Would a 1/4" hole be sufficient, or multiple smaller holes?
Elbmod Well-Known Member Joined Oct 27, 2014 Messages 342 Reaction score 0 Apr 18, 2004 #2 call me stupid but I would have determined your altimeter bay to be 8 x pi x 3^2 (since cross sectional area is pi x r^2) which works out to be 226in^3 so I reckon you need at least 2 depending on teh volume of the altimeter.
call me stupid but I would have determined your altimeter bay to be 8 x pi x 3^2 (since cross sectional area is pi x r^2) which works out to be 226in^3 so I reckon you need at least 2 depending on teh volume of the altimeter.
solrules Well-Known Member Joined Dec 30, 2003 Messages 366 Reaction score 0 Apr 18, 2004 #3 oops...it would actually be (3/2)^2*pi*8 because pi*r^2 is area.....comes out to be 57 In^3...or Im doing some real big mistake in my math here.
oops...it would actually be (3/2)^2*pi*8 because pi*r^2 is area.....comes out to be 57 In^3...or Im doing some real big mistake in my math here.
sandman Well-Known Member Joined Jan 18, 2009 Messages 10,563 Reaction score 6 Apr 18, 2004 #4 Do not make me come there and teach you guys simple arithmatic!! 3.1416 times (3/2)times (3/2) times 8 equals 56.5488 cu inches yes a 1/4" hole is plenty big enough! sandman
Do not make me come there and teach you guys simple arithmatic!! 3.1416 times (3/2)times (3/2) times 8 equals 56.5488 cu inches yes a 1/4" hole is plenty big enough! sandman
daveyfire Piled Higher and Deeper TRF Lifetime Supporter Joined Jan 26, 2009 Messages 3,218 Reaction score 55 Location thank u, next Apr 19, 2004 #5 Originally posted by sandman 3.1416 times (3/2)times (3/2) times 8 equals 56.5488 cu inches Click to expand... Pssssh weak approximation for Pi! https://newton.ex.ac.uk/research/semiconductors/theory/collabs/pi/pi6.txt That's better (dial-up users be forewarned...)
Originally posted by sandman 3.1416 times (3/2)times (3/2) times 8 equals 56.5488 cu inches Click to expand... Pssssh weak approximation for Pi! https://newton.ex.ac.uk/research/semiconductors/theory/collabs/pi/pi6.txt That's better (dial-up users be forewarned...)
Ryan S. Well-Known Member Joined Mar 24, 2003 Messages 3,553 Reaction score 0 Apr 19, 2004 #6 that is awesome
Elbmod Well-Known Member Joined Oct 27, 2014 Messages 342 Reaction score 0 Apr 19, 2004 #7 yep forgot the diameter was quoted - sorry!
solrules Well-Known Member Joined Dec 30, 2003 Messages 366 Reaction score 0 Apr 19, 2004 #8 wait....I thought pi was exactly 3