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Rgc Ratings


MalachiMcMullen

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Last levels calibration results for RBA gripper :rolleyes

Hard Spring

8-9 = 97.2 kg

9-9 = 103.9 kg

9-10= 109.4 kg

10-10 = 114.3 kg

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Calibrated by me:

3.5-174 lbs.

Extended handle BBE-178 lbs.

The sweep on my 3.5 is still tougher than the sweep on my BBE even though the final close was lighter on the rgc.

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i-95.jpg

That is a beautiful strap you're using :cool I just have a plain blue one and now it's boring after seeing yours

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Calibrated by me:

BBSM-129 lbs.

FBBC old schools:

2X-90 lbs.

3X-129 lbs.

4X-157 lbs.

I have a 5X as well but left it at work and I'll try to calibrate it when I get a chance. I don't have a single X but might end up buying one just to complete the set.

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I reopened this thread because I would like to see RGC numbers continued to be reported here.

Please understand this thread is for reporting calibrations and who did them. Discussions about the process, etc, can be hashed out in separate threads.

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Glad to see this thread opened back up.   :)

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Glad to see this thread opened back up. :)

Ditto.

To stay on topic, Milfeld cal'd two for me: RB130 - 80lbs, HG200 - 81lbs. (Ben, I searched the topic in case I'd already posted these but I didn't find one.)

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Thanks for reopening, Matt!

Sherrie, I will go trough the list and see if it is already listed.

An update is coming soon.

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Warren Tetting

T2 - 32,25 kg=71 lbs.

T6 - 66,38 kg=146 lbs.

T9 - 104 kg =229 lbs.

Continue to be T14. Searching cargo for Beast...

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  • 2 weeks later...

Thanks again guys,

List updated!

complete chart

rankings only version - for slower connections:

rankings only

I found some mistakes in the list. In Matti's Calibration list if there is a number after Beef Builder gripper it means that it doesn't have a regular 1/16" mount.

1 = 1/4"

2 = 3/16"

3 = 1/8"

4 = 1/16" (standard)

Example BBE1 / 68,5 kg / 151,21 lbs / rating = 3,02. Elite with a 1/4" mount.

You have put them all together and that affects a tiny bit to average value.

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  • 2 weeks later...

Calibrated by Matt Cannon:

BBSM: 129.21

#3: 145.36

BBGM: 147.89

SS#3: 153.04

BBE: 174.59

#3.5: 179.74

Thank you very much Matt.

No problem. ;)

To clarify, the SS#3 is a "single stamped #3."

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No problem. ;)

To clarify, the SS#3 is a "single stamped #3."

Ah, makes sense now. I was thinking it stood for stainless steel #3 or something :trout

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No problem. ;)

To clarify, the SS#3 is a "single stamped #3."

Ah, makes sense now. I was thinking it stood for stainless steel #3 or something :trout

Exactly what I didn't want people thinking ;)

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Calibrated by Matt Cannon;

Single stamped Stainlees Steel handle #3 = 158.24

#3.5 = 174.60

#3.5 = 178.16

BBE = 179.56

RB330 = 179.56

RB300 = 192.39

BBSE = 200.86

#4 = 211.24

That "Old Style" #3 has a very wide spread compare with the new #3's, and by so it "feels" a lot harder than a average #3

The RB300 definetly is a very rare specimen.

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Calibrated by Me

- Tanu #3 / 68kg / 150.11lbs / rating = 3.00

- Tanu BBE / 75kg / 165.5kg / rating = 3.26

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Calibrated by me:

JBD = 83.3kg, 37.5kg ( owner recruit )

i-106.jpg

Edited by Draught-Player
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RB330 = 179.56

RB300 = 192.39

The RB300 definetly is a very rare specimen.

That is ridiculous. Gripper that should be way harder is 13 lbs looser. All over the map.

That RB300 is almost 20 lbs heavier than average RB300 and that 330 is 20 lbs looser than average.

Edited by Force
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RB330 = 179.56

RB300 = 192.39

The RB300 definetly is a very rare specimen.

That is ridiculous. Gripper that should be way harder is 13 lbs looser. All over the map.

That RB300 is almost 20 lbs heavier than average RB300 and that 330 is 20 lbs looser than average.

Part of why I don't like RBs very much :D

That RB300 was an absolute brick. If a gripper does not come out as average, I squeeze it against other grippers of similar rating to double check. That thing is every bit of 192lbs. Maybe could benefit from oiling or something. But a weird gripper for sure.

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Years ago, Dale Harder (Oldtimer on the board) said he had a RB300 that no one could close, and that included Clay Edgin, with a fairly deep set. I think, in theory, a RB300 should be roughly the same as a 3.5.

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Calibrated by Matt Cannon;

Single stamped Stainlees Steel handle #3 = 158.24

#3.5 = 174.60

#3.5 = 178.16

BBE = 179.56

RB330 = 179.56

RB300 = 192.39

BBSE = 200.86

#4 = 211.24

That "Old Style" #3 has a very wide spread compare with the new #3's, and by so it "feels" a lot harder than a average #3

The RB300 definetly is a very rare specimen.

I have never heard of a single stamped, stainless gripper. Could you please provide a picture?

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Calibrated by Matt Cannon;

Single stamped Stainlees Steel handle #3 = 158.24

#3.5 = 174.60

#3.5 = 178.16

BBE = 179.56

RB330 = 179.56

RB300 = 192.39

BBSE = 200.86

#4 = 211.24

That "Old Style" #3 has a very wide spread compare with the new #3's, and by so it "feels" a lot harder than a average #3

The RB300 definetly is a very rare specimen.

I have never heard of a single stamped, stainless gripper. Could you please provide a picture?

Some of the earliest Ironmind grippers were made with steel handles and they only stamped one of the handles. That's all it means.

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Thanks for all these calibrations, but I noticed some wrong convertions from lbs to kg or vice-versa.

If you calibrate a gripper using kg plates then post your results in kg if you are not sure with the conversion. Same counts for lb plates. I will convert the numbers for you then, no problem!

How to convert exactly:

1 lb = 0.45359237 kg

1 kg = 2.20462262 lbs

For example:

68 kg in lbs = 68 * 2.20462262 = 149,914338 lbs (not 150.11 lbs)

150 lbs in kg = 150 * 0.45359237 = 68,0388555 kg

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