SWISS CHEESE

mateba · September 19th, 2007, 21:37

I have searched around, here and else where, and I cant find any guides to the swiss cheese piston mod. I only see "brandxyz polycarbonate piston (swiss cheesed)" in a list of internals. Can someone explain the swiss cheese piston mod? How is it correctly performed? What are the consequences of this mod other than a higher ROF?

thank you for your time,
mateba

Syn · September 19th, 2007, 22:08

aptly named

"short stroke ultra light piston a.k.a Swiss
Cheese piston. Notice that it has less teeth compared to
the stock part."

mateba · September 19th, 2007, 22:14

yes, do you know how to do that? Are balance and symmetry issues with this mod? What negative consequence should I expect, if any?

thanks for the pic
mateba

[Lithium] · September 19th, 2007, 22:15

Whats the point of doing that??? Does it just lighten the weight, and allow the piston to move forward faster, thus creating higher ROF?

mateba · September 19th, 2007, 22:17

yup, reduces momentum of the piston too but I don't know if its significant. This is a hard mod to track down.

Syn · September 19th, 2007, 22:19

saw it here
Daedalus DevGru High Speed Trials

http://pageproducer.arczip.com/daedalus03/workshop.html

but how long will it last is my question! will mechbox go kaboom? lol

mateba · September 19th, 2007, 22:26

thanks for the link, Ill try to find the author. Someone performed the short stroke mod on that piston too, notice the missing metal teeth.

If anyone else has so more info it would be appreciated.

mateba

mateba · September 20th, 2007, 06:25

http://64.233.179.104/translate_c?hl...neer.cande.biz
http://64.233.179.104/translate_c?hl...3DlFc%26sa%3DG

I was shown this site. they have some interesting results. The swiss cheese mod is also rumored to be best done with a stock TM piston and not with the AREA 1000, Systema Red Poly carb or G&P pistons. I have read removing almost 1/2 the weight is expected and that this is usually performed along with several other mods. Removing the second to last tooth helps but short stroking the piston and sector gear makes the biggest difference. Short stroking standard ratio gears can be more effective than high speed gears if ROF is the main objective.

mateba

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September 19th, 2007, 21:37	#1
mateba Trader rating Join Date: Feb 2007 Location: Alabama, USA	SWISS CHEESE I have searched around, here and else where, and I cant find any guides to the swiss cheese piston mod. I only see "brandxyz polycarbonate piston (swiss cheesed)" in a list of internals. Can someone explain the swiss cheese piston mod? How is it correctly performed? What are the consequences of this mod other than a higher ROF? thank you for your time, mateba

September 19th, 2007, 22:08	#2
Syn Trader rating Join Date: Aug 2005 Location: Toronto	aptly named "short stroke ultra light piston a.k.a Swiss Cheese piston. Notice that it has less teeth compared to the stock part." __________________ Last edited by Syn; September 19th, 2007 at 22:12..

September 19th, 2007, 22:15	#4
[Lithium] Trader rating Join Date: Nov 2005 Location: Vancouver	Whats the point of doing that??? Does it just lighten the weight, and allow the piston to move forward faster, thus creating higher ROF? __________________ HeL is another name i go by

September 19th, 2007, 22:14	#3
mateba Trader rating Join Date: Feb 2007 Location: Alabama, USA	yes, do you know how to do that? Are balance and symmetry issues with this mod? What negative consequence should I expect, if any? thanks for the pic mateba

September 19th, 2007, 22:17	#5
mateba Trader rating Join Date: Feb 2007 Location: Alabama, USA	yup, reduces momentum of the piston too but I don't know if its significant. This is a hard mod to track down. Last edited by mateba; September 20th, 2007 at 13:23..

September 19th, 2007, 22:19	#6
Syn Trader rating Join Date: Aug 2005 Location: Toronto	saw it here Daedalus DevGru High Speed Trials http://pageproducer.arczip.com/daedalus03/workshop.html but how long will it last is my question! will mechbox go kaboom? lol __________________

September 19th, 2007, 22:26	#7
mateba Trader rating Join Date: Feb 2007 Location: Alabama, USA	thanks for the link, Ill try to find the author. Someone performed the short stroke mod on that piston too, notice the missing metal teeth. If anyone else has so more info it would be appreciated. mateba

September 20th, 2007, 06:25	#8
mateba Trader rating Join Date: Feb 2007 Location: Alabama, USA	http://64.233.179.104/translate_c?hl...neer.cande.biz http://64.233.179.104/translate_c?hl...3DlFc%26sa%3DG I was shown this site. they have some interesting results. The swiss cheese mod is also rumored to be best done with a stock TM piston and not with the AREA 1000, Systema Red Poly carb or G&P pistons. I have read removing almost 1/2 the weight is expected and that this is usually performed along with several other mods. Removing the second to last tooth helps but short stroking the piston and sector gear makes the biggest difference. Short stroking standard ratio gears can be more effective than high speed gears if ROF is the main objective. mateba

SWISS CHEESE

Upgrades & Modifications