Technical & Reference Section > Tech and Restoration

Loop tail Ripper serial numbers...

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Bren Gunn:
Sounds good :)

So PK70### = 1980?

dj_benice:
any ideas on what the rest of the serial means???

Moose:
PK = PK ripper (would be MR if it was a Ripper or Mini Ripper)
First number = month (it's entirly possible that this is not the month of manufacture but the month the drop-out was stamped)
Second number = year
Third, fourth and fifth number = sequential production number (there may be a sixth digit in some months in certain years where more than 1000 PK's were made in that month, but not very many)

Small print: this is not definative for all looptail rippers from '79-'84 ;)

Tony S.:
I don't think there is a way to tell from the serial what year it is. I believe they just went up in number as the production went on.
I have a PK loop with serial PK25812 that came from a trusted source who got it from a friend who bought it new in 82.
I also have loops with PK48006, PK71853, and PK70813. 48006 makes it hard to believe the second digit is the year.

Moose:
I just read the interview with Mike Devitt on VBMX and it seems they may have sometimes alternated month and year. This would mean the following for your PKs

PK25812 = 82 May (matches with the year purchased)

PK48006 = 84 Aug

PK71853 = July 81

PK70813 = July 80

48006 = 84 Aug?

If you assume that looptail PK's were made from 79-84 and the last 3 digits (or 4 depending on how many numbers in total) are the sequential product number then the other 2 should fit one way or the other. No?

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