S k a t e L o g     F o r u m
Inline Skating and Quad Roller Skating
Forum Hosts: Jessica Wright | Kathie Fry

FOLLOW US: Our Blog | Facebook | Twitter | Email    


Home - Forum Index - Africa Skating - Asia Skating - Europe Skating - Oceania Skating - Pan America Skating - Roller_Rinks - Friend the SkateLog Forum in Facebook - SkateLog Forum on Facebook

Forum Administrators: Jessica Wright and Kathie Fry | Email Us
Access code for buying and selling subforums: "skates"
How To Get a User Account and Posting Privileges in the SkateLog Forum
Use Google to Search the SkateLog Forum

Go Back   SkateLog Forum > Special Interest Skating Forums (sorted by number of posts) > Ask DocSk8 (Expert Indoor Skate Building Advice)
FAQ Calendar Search Today's Posts Mark Forums Read

Ask DocSk8 (Expert Indoor Skate Building Advice) This forum is different then the other SkateLog forums in that it is not a discussion forum, but rather a place you can ask skate building expert Fred "DocSk8" Benjamin about building and repairing indoor speed, derby, and jamskate quad roller skates. Please start a new thread for each new question.

Reply
 
Thread Tools Display Modes
Old October 13th, 2010, 08:45 PM   #21
matty thoms
Jam Skate Mafia
 
Join Date: May 2010
Location: SoCal
Posts: 156
Smile

"PM" is from 1987 and "EH" is 1994. Those were the only two I checked on so far.
matty thoms is offline   Reply With Quote
Old October 15th, 2010, 07:02 PM   #22
Guns840
P.T.H.D
 
Guns840's Avatar
 
Join Date: Feb 2010
Location: Boston
Posts: 514
Default

could you check RM?
Guns840 is offline   Reply With Quote
Old October 16th, 2010, 08:00 PM   #23
wired
Member
 
wired's Avatar
 
Join Date: May 2008
Location: KY USA
Posts: 2,447
Default

Quote:
Originally Posted by Guns840 View Post
could you check RM?
1987 or 1998?

If the letters represent weeks of production then:

PM = sometime in weeks 1-31 of 1987
EH = sometime in weeks 22-52 of 1994

if so then

RM = weeks 38-52 of 1987 or 1-16 of 1988
CH = weeks 7-37 of 1980
GN = weeks 13-43 of 1982

A twist on this could be that AA was Jan 1979 and the week count is stopped when the plant closes for vacation. I think PM and EH would work in this pattern if the plant closes for 2 weeks a year.

This sort of pattern gives 13 years per cycle so the above guesses could be off by multiples 13 years either way. Usually this window is large enough for a knowledgeable person to pinpoint a production week due to variations over a 13 year time frame.

I'm sure third graders are better at this sort of stuff than me.
wired is offline   Reply With Quote
Old October 21st, 2010, 09:04 PM   #24
niteridr95
Senior Member
 
niteridr95's Avatar
 
Join Date: Dec 2008
Location: akron, OH
Posts: 2,758
Default

Quote:
Originally Posted by wired View Post
1987 or 1998?

If the letters represent weeks of production then:

PM = sometime in weeks 1-31 of 1987
EH = sometime in weeks 22-52 of 1994

if so then

RM = weeks 38-52 of 1987 or 1-16 of 1988
CH = weeks 7-37 of 1980
GN = weeks 13-43 of 1982

A twist on this could be that AA was Jan 1979 and the week count is stopped when the plant closes for vacation. I think PM and EH would work in this pattern if the plant closes for 2 weeks a year.

This sort of pattern gives 13 years per cycle so the above guesses could be off by multiples 13 years either way. Usually this window is large enough for a knowledgeable person to pinpoint a production week due to variations over a 13 year time frame.

I'm sure third graders are better at this sort of stuff than me.
wow im lost on this one..... second letter is what and first letter is what????
__________________
My Home: Springfield Lake Roller Rink
http://www.springfieldlakerollerrink.com/
niteridr95 is offline   Reply With Quote
Old October 22nd, 2010, 02:01 AM   #25
wired
Member
 
wired's Avatar
 
Join Date: May 2008
Location: KY USA
Posts: 2,447
Default

Quote:
Originally Posted by niteridr95 View Post
wow im lost on this one..... second letter is what and first letter is what????
It's base 26, both letters together. Not the first letter = something, second letter = something else.

aa=1
ab=2
ac=3

and so on until

zx=674
zy=675
zz=676

This may not be how those two letters work but in the two cases above PM=1987 and EH=1994 they appear to fit. If anyone has more confirmed LETTERS=DATE I can fiddle with it and see if it continues to work and/or refine the scheme. The reason I have week ranges in the previous posting is that those are the range of possibilities for the limited data set I was working with. My feeling is each letter pair represents a week of production, not a range of weeks.

So things I would like to know:

Does Riedell stop production on a regular schedule?
When did the two letter scheme start?
Are the dates for RM, CH & GN in my previous posting correct? If not what dates do they represent?
More confirmed matches like PM=1987, EH=1994.

Could be handy. For someone. Possibly 3rd graders...
wired is offline   Reply With Quote
Old October 28th, 2010, 09:12 AM   #26
Poobah
Senior Member
 
Poobah's Avatar
 
Join Date: Sep 2007
Posts: 4,272
Default

Quote:
Originally Posted by wired View Post
It's base 26, both letters together. Not the first letter = something, second letter = something else.

aa=1
ab=2
ac=3

and so on until

zx=674
zy=675
zz=676
One problem with your explanation of the system (or how you're laying it out). Base 10 only includes 9 numbers (plus zero). Hexadecimal (base 16) goes from 0-9 then has a-f for 10-15. There's no value for 16, because that would be represented as 10.

Long story short, does a in this system equal 0 or does it equal 1? This system COULD be base 27, but what's the zero value then? Or is Z the zero?
__________________
*~[
Grand Poobah
Stats Geek
Poobah is offline   Reply With Quote
Old October 28th, 2010, 01:00 PM   #27
Guns840
P.T.H.D
 
Guns840's Avatar
 
Join Date: Feb 2010
Location: Boston
Posts: 514
Default




these are the "rm" code....i assume 1987
Guns840 is offline   Reply With Quote
Old October 28th, 2010, 03:55 PM   #28
Snarf77
Jump On It
 
Snarf77's Avatar
 
Join Date: Nov 2009
Location: Baldwin, MD
Posts: 361
Default

Quote:
Originally Posted by Guns840 View Post



these are the "rm" code....i assume 1987
Incorrect. What those are, is "awesome".
__________________
This Space Intentionally Left Blank
Snarf77 is offline   Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT. The time now is 03:22 AM.


Powered by vBulletin® Version 3.8.4
Copyright ©2000 - 2019, Jelsoft Enterprises Ltd.