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Piston type
Posted: Sun Oct 21, 2012 9:10 pm
by TokenTech89
What type of piston is best to have in a gearbox. I know stock ones are only good if you don't plan on upgrading it, but no one likes to keep a stock one like it is for long. any ideas on what is best with.
M130 spring
hylical gears
M150 spring
stock cylinder
Re: Piston type
Posted: Sun Oct 21, 2012 9:34 pm
by marpat96
SHS full steel tooth
Re: Piston type
Posted: Mon Oct 22, 2012 5:49 am
by Star_folder
Lonex currently makes the best pistons on the market.
SHS are good, but their quality has dropped off in the last month or so. Stay away from their 14 tooth, to my knowledge, the rest are still fine pistons. Just, for some reason, the latest batch of 14 tooth pistons are all trash and can seriously mess up a gearbox.
Re: Piston type
Posted: Mon Oct 22, 2012 9:43 am
by TokenTech89
So the lonex 10 metal teeth are the best in the market? I thought it was best to use all metal teeth for inside the gearbox.
Re: Piston type
Posted: Mon Oct 22, 2012 10:09 am
by Star_folder
The reason full metal teeth are good is because they have are much stronger than plastic teeth for high intensity set ups. Many times, the plastic teeth simply didn't have enough support to not break/fall off. But then you start having the issue of the metal teeth failing because they don't have enough support. This was especially true for the pick up tooth of the piston, it would simply shear off without the proper support. That's why full metal tooth racks came into play. It's not so much that all the teeth are metal, it's that the first tooth was metal and supported by the rest of the piston body, sort of. The rest of the teeth were just easier to make out of metal because they rested on the metal strip that helped to support the pick up tooth.
If you look at the lonex piston, you'll see the teeth are heavily reinforced, even the metal ones. And because it's not a full rack, the 10 teeth at the end are less likely to cave into the piston body.
Re: Piston type
Posted: Mon Oct 22, 2012 3:44 pm
by Dominum
^This.
Also, double check and make sure the gearset you have is not super high torque requiring half teeth. It probably isn't, but better safe than sorry. If you are not sure how to tell, post a pic of the sector gear here, or link to the set you bought. If the lower teeth on the sector gear extend almost as far as the upper teeth (the larger ones that contact the piston), then it needs a half tooth piston rather than a standard one.