Aluminium piston lighten

BIGMEDCIN · January 15th, 2006, 00:18

Question:

Has anyone removed material from an Aluminum piston.

Can you make a Aluminum piston lighter without making it unreliable?

were could this be done, cross drill holes?, flute the lenght of it?
enlarge spring area?

my piston has half teeth, I would like to make it less stressfull on my ver-2 mech box, and not take to big of a hit on rate of fire, so if I can lighten it with out too much problem why not ?.

thanks

Skruface · January 15th, 2006, 00:24

Quote:

Originally Posted by BIGMEDCIN

Question:

Has anyone removed material from an Aluminum piston.

Can you make a Aluminum piston lighter without making it unreliable?

were could this be done, cross drill holes?, flute the lenght of it?
enlarge spring area?

my piston has half teeth, I would like to make it less stressfull on my ver-2 mech box, and not take to big of a hit on rate of fire, so if I can lighten it with out too much problem why not ?.

thanks

The Top Power aluminum pistons were skeletonized. Every person I know personally who had one ended up removing it, or shredding it.

mcguyver · January 15th, 2006, 02:24

your piston isn't where any stress on your mechbox comes from. the spring and head set makes far more difference. polycarbs are still the best pistons for strength and durability. aluminum is a soft metal and will get chewed up alot easier than polycarbs will.

BIGMEDCIN · January 15th, 2006, 05:01

Thanks for the replies.

I understand poly pistons are strong I have used many in the past, I just thought I would try somthing a little differant.(not to mention my poly piston just stripped and I have a spare Alumin.)

My thought about stress on the mech box is from the weight of the heavy piston, more weight, means more contact force against what ever it stops on.
and as we all know ver-2 boxs dont like front end stress!

this is the only reason I would try to lighten the piston, just a thought.

mcguyver · January 15th, 2006, 05:11

all the energy in your mechbox comes from your spring. the piston is only a vessel for transmitting that energy ultimately to the bb, but alot still makes it to your mechbox anyway.the weight difference between aluminum and polycarb in the whole scheme of things is small and at 15 rnds/sec would hardly be noticeable. my only issues with aluminum as a piston material is due to its relative softness and they tend to show wear marks easily, which also increase over time. don't get me wrong though, some guys use them with good success and i've used them too, but polycarb is the best way to go from my experience.

nic_s · January 15th, 2006, 05:42

p=mv. If you reduce mass, velocity increases, and momentum against your mechbox remains the same.

odp · January 15th, 2006, 12:42

Nothing wrong with the TOP pistons, as long as you stick with stock gears. However, I don't see much advantage in them though.

BIGMEDCIN · January 16th, 2006, 02:32

nic_s

P=MV...agreed, but would that not be with same material used?

Poly should absorb shock better than Aluminium??, I know this may be splitting hairs in the airsoft world, but it seems reasonable to assume that a heavy metal object, would deliver more shock when it stops, than a plastic piston of the same weight and speed?

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January 15th, 2006, 00:18	#1
BIGMEDCIN Trader rating Join Date: Jun 2005 Location: Lower mainland BC	Aluminium piston lighten Question: Has anyone removed material from an Aluminum piston. Can you make a Aluminum piston lighter without making it unreliable? were could this be done, cross drill holes?, flute the lenght of it? enlarge spring area? my piston has half teeth, I would like to make it less stressfull on my ver-2 mech box, and not take to big of a hit on rate of fire, so if I can lighten it with out too much problem why not ?. thanks

January 15th, 2006, 05:42	#6
nic_s Trader rating Join Date: Oct 2004 Location: BC	p=mv. If you reduce mass, velocity increases, and momentum against your mechbox remains the same. __________________ ...and she's terribly partial to the periwinkle blue.

January 15th, 2006, 02:24	#3
mcguyver Trader rating Join Date: Aug 2005 Location: Northern Alberta	your piston isn't where any stress on your mechbox comes from. the spring and head set makes far more difference. polycarbs are still the best pistons for strength and durability. aluminum is a soft metal and will get chewed up alot easier than polycarbs will.

January 15th, 2006, 05:01	#4
BIGMEDCIN Trader rating Join Date: Jun 2005 Location: Lower mainland BC	Thanks for the replies. I understand poly pistons are strong I have used many in the past, I just thought I would try somthing a little differant.(not to mention my poly piston just stripped and I have a spare Alumin.) My thought about stress on the mech box is from the weight of the heavy piston, more weight, means more contact force against what ever it stops on. and as we all know ver-2 boxs dont like front end stress! this is the only reason I would try to lighten the piston, just a thought.

January 15th, 2006, 05:11	#5
mcguyver Trader rating Join Date: Aug 2005 Location: Northern Alberta	all the energy in your mechbox comes from your spring. the piston is only a vessel for transmitting that energy ultimately to the bb, but alot still makes it to your mechbox anyway.the weight difference between aluminum and polycarb in the whole scheme of things is small and at 15 rnds/sec would hardly be noticeable. my only issues with aluminum as a piston material is due to its relative softness and they tend to show wear marks easily, which also increase over time. don't get me wrong though, some guys use them with good success and i've used them too, but polycarb is the best way to go from my experience.

January 15th, 2006, 12:42	#7
odp Trader rating Join Date: Sep 2002 Location: Vancouver	Nothing wrong with the TOP pistons, as long as you stick with stock gears. However, I don't see much advantage in them though.

January 16th, 2006, 02:32	#8
BIGMEDCIN Trader rating Join Date: Jun 2005 Location: Lower mainland BC	nic_s P=MV...agreed, but would that not be with same material used? Poly should absorb shock better than Aluminium??, I know this may be splitting hairs in the airsoft world, but it seems reasonable to assume that a heavy metal object, would deliver more shock when it stops, than a plastic piston of the same weight and speed?

Aluminium piston lighten

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