Spools

**Alastair** · January 13th, 2006, 05:53 PM

Hi All,

Bit of an odd question. Are the defender 75 and defender 100 Halcyon spools the same width? I know the 150 is a different size to the 100 but I don't think I've ever seen a 75.

Thanks
Al

***Bob Cooper*** · January 13th, 2006, 06:17 PM

They're all different widths but the same diameter. I don't know the numbers but I have 3 different ones which all hold different quantities of line.

Divingniknaks · January 13th, 2006, 06:29 PM

Why would you want a 25m one ?

If you're launching from 21m isn't it cutting it a bit fine allowing for drift etc.

Genuine question born of ignorance :D

Cheers

Rick · January 13th, 2006, 06:31 PM

Quote: (Originally Posted by Divingniknaks)

Why would you want a 25m one ?

If you're launching from 21m isn't it cutting it a bit fine allowing for drift etc.

Genuine question born of ignorance :D

Cheers

Jump/gap spools for caving mate!

mstroeck · January 13th, 2006, 06:45 PM

Practically all Delrin spools machined from a solid rod are more or less the same diameter: 3 inches or slightly smaller. I believe that has to do with Delrin rods only being generally available up to that size. So to hold more line the spool has to be wider.

**Alastair** · January 13th, 2006, 06:56 PM

Quote: (Originally Posted by Divingniknaks)

Why would you want a 25m one ?

Someone I've know has a 150 spool but isn't getting on with it as they find it too wide to comfortably hold. They asked how much thinner a 75 would be and I had to confess I hadn't got a clue. I suggested a 100 but they want the thinest spool so I'm curious whether there is a difference between the 75 and 100.

From what Bob's saying he has 3 different sized spools so I guess the 75 is smaller.

Cheers
Al

***Bob Cooper*** · January 13th, 2006, 07:21 PM

I just looked at my spools. The big one and the middle sized one are 3" dia. The smaller one is 2-3/4"

The widths are 2", 1-1/2" and 1-1/4"

I guess these are 75, 100 and 150' spools.

TobinGeorge · January 13th, 2006, 07:38 PM

Delrin or molded spools over ~100' in true capacity are too wide for me to hold comfortably with my finger and thumb.

That's the reason behind the Stainless Steel Spools.

Look here http://www.deepseasupply.com/page20.html

The 100' capacity is 1.15" wide, narrower than a 1.25" wide 75 ft Delrin spool

The 150' is 1.75" wide, just slightly wider than a 1.5" wide 100ft Delrin spool

The 200' is 2.25" wide, .25" wider than a 2" wide 150ft Delrin spool

Combined with a large center hole and very large radius on each end, the "reach in" distance is manageable, even on the 200 ft model.

The Spools are negative, but not by as much as you might think, because the SS used is 16 ga (~.060"), and much of the buoyancy is determined by the nylon line. Nylon's SG is ~1.2

Delrin too is negative, as it's SG is ~ 1.5.

BTW, I consider the true capacity of a spool to be the amount of line one can fit and still be able to clip off. Spools filled to the rails are kinda pointless.

Tobin

mstroeck · January 13th, 2006, 08:05 PM

Quote: (Originally Posted by TobinGeorge)

That's the reason behind the Stainless Steel Spools.
Look here http://www.deepseasupply.com/page20.html

I have one of those and never tire of telling people about how amazingly cool they are :-) Lookie:

January 13th, 2006, 05:53 PM	#1 (permalink)
Alastair(Offline) DIRX Supporter Join Date: Nov 2005 Location: UK Posts: 693	Spools Hi All, Bit of an odd question. Are the defender 75 and defender 100 Halcyon spools the same width? I know the 150 is a different size to the 100 but I don't think I've ever seen a 75. Thanks Al __________________ Helium is our friend - GI3

January 13th, 2006, 06:29 PM	#3 (permalink)
Divingniknaks(Offline) Resident purveyor of shiney kit.... Join Date: Nov 2005 Location: Midlands UK Posts: 1,038	Why would you want a 25m one ? If you're launching from 21m isn't it cutting it a bit fine allowing for drift etc. Genuine question born of ignorance :D Cheers __________________ Phill ----------------------------- Salvo Lights, DirZone Gear , Frog Wings Dive ? http://www.divingniknaks.com

January 13th, 2006, 06:31 PM	#4 (permalink)
Rick(Offline) Jock Exley Join Date: Nov 2005 Location: Falkirk/Stratford UK Posts: 730	Quote: (Originally Posted by Divingniknaks) Why would you want a 25m one ? If you're launching from 21m isn't it cutting it a bit fine allowing for drift etc. Genuine question born of ignorance :D Cheers Jump/gap spools for caving mate! __________________ Forget Everything And Remember http://phreaticzone.thedeepstop.com/ http://www.dublinbaydiving.com/

January 13th, 2006, 06:56 PM	#6 (permalink)
Alastair(Offline) DIRX Supporter Join Date: Nov 2005 Location: UK Posts: 693	Quote: (Originally Posted by Divingniknaks) Why would you want a 25m one ? Someone I've know has a 150 spool but isn't getting on with it as they find it too wide to comfortably hold. They asked how much thinner a 75 would be and I had to confess I hadn't got a clue. I suggested a 100 but they want the thinest spool so I'm curious whether there is a difference between the 75 and 100. From what Bob's saying he has 3 different sized spools so I guess the 75 is smaller. Cheers Al __________________ Helium is our friend - GI3

January 13th, 2006, 07:21 PM	#7 (permalink)
*Bob Cooper*(Offline) Moderator - "Don't stop me now!" Join Date: Nov 2005 Location: South East London, UK Posts: 680	I was wrong about the diameter! I just looked at my spools. The big one and the middle sized one are 3" dia. The smaller one is 2-3/4" The widths are 2", 1-1/2" and 1-1/4" I guess these are 75, 100 and 150' spools.

January 13th, 2006, 06:17 PM	#2 (permalink)
*Bob Cooper*(Offline) Moderator - "Don't stop me now!" Join Date: Nov 2005 Location: South East London, UK Posts: 680	They're all different widths but the same diameter. I don't know the numbers but I have 3 different ones which all hold different quantities of line.

January 13th, 2006, 06:45 PM	#5 (permalink)
mstroeck(Offline) New Member Join Date: Nov 2005 Location: Vienna, Austria Posts: 156	Practically all Delrin spools machined from a solid rod are more or less the same diameter: 3 inches or slightly smaller. I believe that has to do with Delrin rods only being generally available up to that size. So to hold more line the spool has to be wider.

January 13th, 2006, 07:38 PM	#8 (permalink)
TobinGeorge(Offline) New Member Join Date: Nov 2005 Location: Southern California Posts: 566	Spool capacity vs width Delrin or molded spools over ~100' in true capacity are too wide for me to hold comfortably with my finger and thumb. That's the reason behind the Stainless Steel Spools. Look here http://www.deepseasupply.com/page20.html The 100' capacity is 1.15" wide, narrower than a 1.25" wide 75 ft Delrin spool The 150' is 1.75" wide, just slightly wider than a 1.5" wide 100ft Delrin spool The 200' is 2.25" wide, .25" wider than a 2" wide 150ft Delrin spool Combined with a large center hole and very large radius on each end, the "reach in" distance is manageable, even on the 200 ft model. The Spools are negative, but not by as much as you might think, because the SS used is 16 ga (~.060"), and much of the buoyancy is determined by the nylon line. Nylon's SG is ~1.2 Delrin too is negative, as it's SG is ~ 1.5. BTW, I consider the true capacity of a spool to be the amount of line one can fit and still be able to clip off. Spools filled to the rails are kinda pointless. Tobin

January 13th, 2006, 08:05 PM	#9 (permalink)
mstroeck(Offline) New Member Join Date: Nov 2005 Location: Vienna, Austria Posts: 156	Quote: (Originally Posted by TobinGeorge) That's the reason behind the Stainless Steel Spools. Look here http://www.deepseasupply.com/page20.html I have one of those and never tire of telling people about how amazingly cool they are :-) Lookie: