94 Top Gun speeds
01-06-2004, 10:37 AM
#21
Registered
it has always been my understanding that Cigarette produced quite a few kevlar layups in the Top Guns and Cafe's, whereas there were only a few actual Carbon Fiber layups........namely the 4 Top Gun F2's.
maybe CB could provide the "real" answer.
maybe CB could provide the "real" answer.
01-06-2004, 10:44 AM
#23
Platinum Member
Platinum Member
Originally posted by lucky strike
...most of the Bravo big engine boats seem to porpoise badly when you trim them at all...
...most of the Bravo big engine boats seem to porpoise badly when you trim them at all...
TRS might ride a little more balanced but wait till they break or you try selling the boat.
01-06-2004, 06:11 PM
#24
Charter Member#330
Charter Member
The TRS will last longer then the Bravo. My Heavy 38 Flat deck has been pushed by 550h.p. motors since 1985 and only blew 1 drive. (knock on wood) When is the last time you saw that from a bravo.
My next boat will have 3's or larger before I go with a Bravo.
Just my $.02
My next boat will have 3's or larger before I go with a Bravo.
Just my $.02
__________________
If you like it rough do it OFFSHORE!!!
If you like it rough do it OFFSHORE!!!
01-08-2004, 02:56 PM
#28
The Senior Charter Member #1070
Charter Member
We had a 1994 Top Gun with 600 Hawks and consistently saw 78 mph in freshwater... 
__________________
(What you see, is what you get!)
"Live every day to it's fullest for you give a day of your life to it."
(What you see, is what you get!)
"Live every day to it's fullest for you give a day of your life to it."
01-09-2004, 06:35 PM
#29
Registered
Originally posted by jmackin
Is there a difference between carbon fiber and kevlar?
Is there a difference between carbon fiber and kevlar?
Modulus of elasticity(stiffness)
Glass: 2,600,000psi
Kevlar: 3,100,000psi
Carbon: 8,700,000psi
You can see how much stiffer Carbin is than the other two.
Here are ultimate strengths for bi-directional woven fabrics:
Glass: 25,000psi
Kevlar: 51,900psi
Carbon: 87,900psi
Now, here's how they compare in terms of weight:
Glass: 0.072 lb/in^3
Kevlar: 0.061 lb/in^3
Carbon: 0.054 lb/in^3
Here are the strength to weight ratios:
Glass: 333,333
Kevlar: 850,819
Carbon: 1,627,777
You can see that Kevlar is about 2.5 times as strong per pound of glass and Carbon is about 5 times as strong per pound.
Last edited by lucky strike; 01-09-2004 at 06:38 PM.
01-09-2004, 06:38 PM
#30
Registered
Below is a chart illustrating the manner which each material behaves when loaded.
The fiberglass is blue, Kevlar is magenta and carbon is yellow.
Note how the glass and carbon reach their peak load and then simply fracture. The kevlar begins to go elastic early and develops load gradually; the initial stiffness(slope of the line) is greater than glass however.
LS JR.
The fiberglass is blue, Kevlar is magenta and carbon is yellow.
Note how the glass and carbon reach their peak load and then simply fracture. The kevlar begins to go elastic early and develops load gradually; the initial stiffness(slope of the line) is greater than glass however.
LS JR.
