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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.

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Old August 4th, 2013, 02:33 PM   #1
Xylish
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Default Plate ID - Comet

Doc
What can you tell me about this plate, other than its a Comet? It's very light in the hand with metal pivot cups. Small angle on the kingpin. Any other info you can add?
Thanks in advance.

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Old August 4th, 2013, 04:34 PM   #2
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Default Once upon a time...

Aussie Scott had a thread running called "stump the Doc." or some such. This would be a winner. Never seen one. Other than judging from the pic and noting brass pivot cups that say ball and socket pivots and a rather small king pin hole diameter that tells me it had a steel king pin that all I got. And that is purely an educated guess. Looks pretty light too. I'll bet some of our other Aussie members can do better.
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Old August 4th, 2013, 05:07 PM   #3
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I know my stepfather designed and produced a plate called the Comet for Sure Grip Australia back in the 80's. Whether this is that plate or not I couldn't say and unfortunately I'm not in a position to ask him at this time.
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Old August 4th, 2013, 06:41 PM   #4
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Default Interesting.

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I know my stepfather designed and produced a plate called the Comet for Sure Grip Australia back in the 80's. Whether this is that plate or not I couldn't say and unfortunately I'm not in a position to ask him at this time.
Looking closer at the pivot cups, I wonder if they are steel instead of bronze or brass.
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Old August 5th, 2013, 09:38 AM   #5
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Looking closer at the pivot cups, I wonder if they are steel instead of bronze or brass.
In person they looked like steel as opposed to brass.
And Very light!
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Old August 5th, 2013, 09:45 AM   #6
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Default More Pics

Didnt post these earlier due to poor quality


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Old August 5th, 2013, 09:55 AM   #7
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Whilst I can't give much info on them, I have seen these (type) plates before.
There were a number of speed skaters who used these at Mt Gravatt in the late 80's and early 90's.

Flip axles and seemed to be very well polished, and if memory serves correctly, the 'comet' was generally filled with red paint.
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Old August 5th, 2013, 10:47 AM   #8
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Are these Doyles comet plates xylish?
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Old August 5th, 2013, 12:00 PM   #9
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Are these Doyles comet plates xylish?
Indeed they are. He was just as clueless as me

I though you would have recognized the carpet
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Old August 5th, 2013, 03:48 PM   #10
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The only other plates I have seen with the logo painted that way is a Rogua but I don't think they are related. The steel pivots are something SG likes, but I seem to recall the early Boens had 'em too.
So the next question, what is the king pin thread?? That may give us a hint.
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Old August 6th, 2013, 08:09 AM   #11
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The only other plates I have seen with the logo painted that way is a Rogua but I don't think they are related. The steel pivots are something SG likes, but I seem to recall the early Boens had 'em too.
So the next question, what is the king pin thread?? That may give us a hint.
I don't have them with me but can check next time I catch up with the owner. They didn't look like 1/2"
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Old August 6th, 2013, 09:17 AM   #12
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Not sure whether he knows. But I may be wrong.
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Old August 6th, 2013, 09:37 AM   #13
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Not sure whether he knows. But I may be wrong.
I'll bring down a box of Kingpins and we'll figure it out pretty quickly. Better find some metric bolts too, just in case it is Australia
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Old August 6th, 2013, 09:58 AM   #14
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Yeah, shouldn't take to long
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Old August 6th, 2013, 03:38 PM   #15
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Metric is good. Boens and Rougas are metric. I have a SG Kangaroo, (made in Australia I believe, even though they were advertised in the US) and it takes the standard SG 3/8 x 20 thread king pin.

The more we know, the more likely we will be able to figure something out.
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Old August 18th, 2013, 12:37 AM   #16
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Default kingpin thread

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Originally Posted by Doc Sk8 View Post
Metric is good. Boens and Rougas are metric. I have a SG Kangaroo, (made in Australia I believe, even though they were advertised in the US) and it takes the standard SG 3/8 x 20 thread king pin.

The more we know, the more likely we will be able to figure something out.
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They are 3/8 -20. Could they be the Suregrip Comet?
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Old August 19th, 2013, 12:32 AM   #17
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Doc
They are 3/8 -20. Could they be the Suregrip Comet?

Possibly. The thread is a good indication but it certainly in not the clincher. Ultimates used a 3/8 x 20 king pin they got from Chicago (along with the trucks) on the SST.


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Old August 19th, 2013, 07:07 AM   #18
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It's peculiar that the Sure-Grip name wasn't on these. Given that these are in Australia and have never been seen up here, odds are pretty good that these are from SG AU. Kind of a head-scratcher. Looks like a nice light plate, wonder how well these worked?
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Old August 19th, 2013, 10:59 AM   #19
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Quote:
Originally Posted by Poobah View Post
It's peculiar that the Sure-Grip name wasn't on these. Given that these are in Australia and have never been seen up here, odds are pretty good that these are from SG AU. Kind of a head-scratcher. Looks like a nice light plate, wonder how well these worked?
There going together soon so I can report back then. The finish looks pretty good and they are light to boot. Might even see if I can get an assembled weight for any weight weenies watching.
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Old August 19th, 2013, 02:10 PM   #20
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I might be able to ask my stepdad within the next week or so. He's been in the Phillipines on business and became extremely ill and was hospitalised
He's home now and on the mend so I'll bring it up next time we speak if he's up to it.
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