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Forum: Anchoring & Mooring

29-11-2011, 19:22

Replies: 209

A Second Wind for Rocna

Views: 34,698

Posted By estarzinger

Re: A Second Wind for Rocna

hmmm . . . honestly have you read that test? The one where we tested in 15 different bottom conditions? Or are you just repeating word for word points from CS - you do seem exceptionally well versed...

Forum: Anchoring & Mooring

29-11-2011, 15:21

Replies: 209

A Second Wind for Rocna

Views: 34,698

Posted By estarzinger

Re: A Second Wind for Rocna

LWatson, you have made 15 posts in total since you joined CF. 13 have been about anchors (one about android and one about Volvo). All of the last 11 have been either attacks on Manson and/or defenses...

Forum: Anchoring & Mooring

23-10-2011, 17:23

Replies: 209

A Second Wind for Rocna

Views: 34,698

Posted By estarzinger

Re: A Second Wind for Rocna

......

Forum: Anchoring & Mooring

23-10-2011, 16:57

Replies: 209

A Second Wind for Rocna

Views: 34,698

Posted By estarzinger

Re: A Second Wind for Rocna

We need some video! I should have taken some. I have included some stills that are not perfect but . . .

Our experience, when doing exactly that, was that the anchors (Rocna and Supreme...

Forum: Anchoring & Mooring

23-10-2011, 15:36

Replies: 209

A Second Wind for Rocna

Views: 34,698

Posted By estarzinger

Re: A Second Wind for Rocna

.......

Forum: Anchoring & Mooring

23-10-2011, 10:24

Replies: 209

A Second Wind for Rocna

Views: 34,698

Posted By estarzinger

Re: A Second Wind for Rocna

This link is appropriate if any of you want to read the removed e-mail discussed above.

https://www.bethandevans.com/pdf/rocnatext.pdf

My intent here is purely public service. At issue is a...

Forum: Anchoring & Mooring

23-10-2011, 06:08

Replies: 209

A Second Wind for Rocna

Views: 34,698

Posted By estarzinger

Re: A Second Wind for Rocna

Its prop and hp dependent.

If you have 20 hp driving 15" 3 blade fixed props then your 'bollard pull' (steady state forward pull) should be 375kg (per engine or 750kg for the two engines).

I...

Forum: Anchoring & Mooring

22-10-2011, 09:11

Replies: 209

A Second Wind for Rocna

Views: 34,698

Posted By estarzinger

Re: A Second Wind for Rocna

The sort of funny thing is that we probably have and tested one of these 'tuned' anchors. We paid for our rocna, but Peter custom built and then hand delivered it to us. It would interesting sometime...

Forum: Anchoring & Mooring

21-10-2011, 18:14

Replies: 209

A Second Wind for Rocna

Views: 34,698

Posted By estarzinger

Re: A Second Wind for Rocna

I was sent a copy of the below e-mails, because I was mentioned, and asked to comment.

I have highlighted a couple points:

#1 they are providing special 'tuned anchors' for anchor testing....

Forum: Anchoring & Mooring

11-10-2011, 04:17

Replies: 209

A Second Wind for Rocna

Views: 34,698

Posted By estarzinger

Re: A Second Wind for Rocna

Yup.

If you read the PBO test carefully, you will note (in a sidebar labeled 'normalization') they had a large variation (+-40%) in results between pulls (not surprising because the bottom is...

Forum: Anchoring & Mooring

08-10-2011, 05:46

Replies: 209

A Second Wind for Rocna

Views: 34,698

Posted By estarzinger

Re: A Second Wind for Rocna

Yes, I also hope they don't just return to their trash talking misinformation approach. Just as a small side note - the comment about antarctic boats in Peter's e-mail is factually wrong, as we in...

Showing results 1 to 11 of 11

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