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R/C Tech Forums (https://www.rctech.net/forum/)
-   Onroad Nitro Engine Zone (https://www.rctech.net/forum/onroad-nitro-engine-zone-71/)
-   -   Lapping the Piston/Sleeve (https://www.rctech.net/forum/onroad-nitro-engine-zone/41183-lapping-piston-sleeve.html)

GAMBO94 05-25-2004 05:48 AM
Originally posted by mckrooz
Edward, if you need me to take a pic, I can take one for you at CP this saturday.
Yes!!!
That would be great.....:nod:

mckrooz 05-25-2004 05:59 PM
Originally posted by Top Gun 777
Can we do it today or tomorow or any other business day this week. Saturday we going out for small vacation. I have in my car second set of lapping tools, so I can stop by in CP any moment.
Please.
Edward
Ok, how about Wednesday? Let me know what time.

EdwardN 05-25-2004 07:29 PM
Originally posted by mckrooz
Ok, how about Wednesday? Let me know what time.
totaly perfect. How about 12PM? Is this time will be OK?
I also will have with me 21 size set so you can make pics too
Edward

mckrooz 05-26-2004 02:32 PM
Here is the lapping tool used by TopGun777 for .12 size piston.
http://www2.freepichosting.com/Images/421508365/0.jpg
http://www2.freepichosting.com/Images/421508365/1.jpg


For .15 size
http://www2.freepichosting.com/Images/421508365/2.jpg

mckrooz 05-26-2004 02:45 PM
Here is the lapping compound used.
http://www2.freepichosting.com/Images/421508365/6.jpg

EdwardN 05-26-2004 03:02 PM
Lapping tools
 
Thank you very much Marvin. I think it will be very helpfull for all guys who wants to put hands on engines.
Edward

mckrooz 05-26-2004 03:03 PM
No problem!

EdwardN 05-26-2004 03:10 PM
Originally posted by mckrooz
Here is the lapping tool used by TopGun777 for .12 size sleeve.
Just want to add little bit -it is for piston not for sleeve. For sleeve is different and it is more complecated. ;) :nod:

mckrooz 05-26-2004 03:12 PM
Originally posted by Top Gun 777
Just want to add little bit -it is for piston not for sleeve. For sleeve is different and it is more complecated. ;) :nod:
Thanks for catching that. Edited.:nod:

GAMBO94 05-26-2004 06:42 PM
Thanks for the pics guys!!!!!!
where can i get one of those :confused:

spenzalii 05-26-2004 07:01 PM
Originally posted by Top Gun 777
Just want to add little bit -it is for piston not for sleeve. For sleeve is different and it is more complecated. ;) :nod:
I thought that was a little big to go inside the sleeve

EdwardN 05-26-2004 07:07 PM
Originally posted by GAMBO94
Thanks for the pics guys!!!!!!
where can i get one of those :confused:
You can ask any machine shop and they will do it for you.:nod:

Team-RTR 05-29-2004 03:50 AM
hey guys check this out, you could look at using this for honging liners, its used for honing out brake cylinders which is a similar size bore as a nitro engine:

http://www.mytoolstore.com/kd/kdbrak08.html

Team-RTR 05-29-2004 04:02 AM
opps i forgot the pic

EdwardN 05-29-2004 04:24 AM
Originally posted by Team-RTR
hey guys check this out, you could look at using this for honging liners, its used for honing out brake cylinders which is a similar size bore as a nitro engine:

http://www.mytoolstore.com/kd/kdbrak08.html
You can buy honning tool in any automotive store ( $12), but be carefull, I will not sugest to hone ready sleeve and what for you want to lap sleeve? Don't mess with that sleeve ( my suggestion.


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