Author Topic: SpaceX Purchases 2 New Ships: Bob and Doug  (Read 55345 times)

Offline meekGee

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Re: SpaceX Purchases 2 New Ships: Bob and Doug
« Reply #20 on: 08/16/2021 02:33 pm »
My point was that these vessels do not have any specific features to delineate them as performing a platform support role. Indeed, previous vessels (MS. Tree and Ms. Chief) that were vessels originally built for that role - literally 'Platform Supply Vessels' - and have not been retained.
They look multi-role to me.

Why keep the crane-less ship if this one can do platform supply and fairing recovery and barge towing and barge control/comm?

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Offline CaptHerb

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Re: SpaceX Purchases 2 New Ships: Bob and Doug
« Reply #21 on: 08/16/2021 08:35 pm »
My point was that these vessels do not have any specific features to delineate them as performing a platform support role. Indeed, previous vessels (MS. Tree and Ms. Chief) that were vessels originally built for that role - literally 'Platform Supply Vessels' - and have not been retained.
They look multi-role to me.

Why keep the crane-less ship if this one can do platform supply and fairing recovery and barge towing and barge control/comm?

Not sure if i understand exactly what you're both saying... but perhaps this can help..

PSVs or OSVs rarely have cranes on them. they're just big flatbed "truck" type vessels that haul deck cargo and some bulk tank cargo (dry cement, water, brine, fuel) to the platforms offshore. The biggest difference between Bob and Doug vs Ms Chief and Ms Tree is the station-keeping ability and redundant control systems. the Ms vessels were DP Class one with limited redundancy and failure mode capability requiring an abandon of mission if something failed. the newer vessels are DP class 2.

Offline lykos

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Re: SpaceX Purchases 2 New Ships: Bob and Doug
« Reply #22 on: 08/16/2021 09:46 pm »
DP = Dynamic Positioning

There is a "DP 3" too, with still more 'position holding capability'

Offline mrhuggy

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Re: SpaceX Purchases 2 New Ships: Bob and Doug
« Reply #23 on: 08/19/2021 06:39 pm »
Do we know anything about Doug and Bob's past?

The reason I ask I was looking on Google Maps for something and decided to have a look at SpaceX's South Seaside road facility and I saw 2 ships in dark grey and white looking very much like Bob and Doug.

Source > https://www.google.co.uk/maps/@33.7343535,-118.270047,74a,35y,270h,39.6t/data=!3m1!1e3?hl=en

Offline leetdan

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Re: SpaceX Purchases 2 New Ships: Bob and Doug
« Reply #24 on: 08/19/2021 07:11 pm »
Do we know anything about Doug and Bob's past?

Those ships are visually too small, almost by a factor of 2.  You can see the history of the ships by searching for their IMO number, which doesn't change across sales and renamings of a ship.  Both ships originally had the orange hulls of Edison Chouest Offshore.

https://www.marinetraffic.com/en/ais/details/ships/shipid:454774/mmsi:368485000/imo:9529889
https://www.marinetraffic.com/en/ais/details/ships/shipid:454731/mmsi:368456000/imo:9529695

Offline CameronD

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Re: SpaceX Purchases 2 New Ships: Bob and Doug
« Reply #25 on: 08/20/2021 12:18 am »
Do we know anything about Doug and Bob's past?

Not much to tell.. they were essentially sister ships built in 2009 and named "INGRID" and "ELLA G" respectively.  Here's what's available in the ABS records:

INGRID (Offshore Supply Vessel)
Class State: Classed  Class #: 09195307
ABS Class Notations: ✠ A1, Ⓔ, ✠ AMS, ✠ DPS-2
IMO #: 9529889  Call Sign: WDF2598
Flag: United States of America
Lifecycle State: Laid Up
Port: Galliano, LA
Launch Date: 03-Nov-2009
Delivery Date: 15-Dec-2009
Functions: Offshore Supply Vessel
Gross Tonnage: 2998
Net Tonnage: 889
Design Speed Ahead: 14kts
Design Speed Astern: 8kts
Length Overall (LOA): 84.7344m
Breadth Molded (B): 18.293m
Depth Molded (D): 7.318m
Length Between Perpendiculars (LBP): 79.705m
Design Draft: 5.8644m
Comments:  Vessel has physical features for underwater inspection in lieu of drydocking survey (UWILD).
Builder: NORTH AMERICAN SHIPBUILDING INC.
Project Description:  280' General Cargo Carrier - PSV

ELLA G. (Offshore Supply Vessel)
Class State: Classed  Class #: 09195228
ABS Class Notations: ✠ A1, Fire Fighting Vessel Class 1, Ⓔ, ✠ AMS, ✠ DPS-2
IMO #: 9529695 Call Sign: WDE9523
Flag: United States of America
Lifecycle State: Laid Up
Port: Galliano, LA
Launch Date: 23-Jun-2009
Delivery Date: 03-Aug-2009
Functions: Fire Fighting Vessel Class 1
Gross Tonnage: 2998
Net Tonnage: 1071
Design Speed Ahead: 14kts
Design Speed Astern: 8kts
Length Overall (LOA): 85.366m
Breadth Molded (B): 18.293m
Depth Molded (D): 7.318m
Length Between Perpendiculars (LBP): 81.708m
Design Draft: 6.25m
Comments: Vessel has physical features for underwater inspection in lieu of drydocking survey (UWILD).
Builder: NORTH AMERICAN SHIPBUILDING INC.
Project Description: 280' General Cargo Carrier - PSV


So, the only thing significantly different between the two is that the "ELLA G" was kitted out for Fire Fighting.

« Last Edit: 08/20/2021 04:19 am by CameronD »
With sufficient thrust, pigs fly just fine - however, this is not necessarily a good idea. It is hard to be sure where they are
going to land, and it could be dangerous sitting under them as they fly overhead.

Offline alugobi

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Re: SpaceX Purchases 2 New Ships: Bob and Doug
« Reply #26 on: 08/20/2021 12:20 am »
Please explain "length between perpendiculars".

Online matthewkantar

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Re: SpaceX Purchases 2 New Ships: Bob and Doug
« Reply #27 on: 08/20/2021 12:33 am »
Please explain "length between perpendiculars".

I believe that is the length at the water line while loaded. I get a kick out of the LOA being listed at 84.7344 meters, or exactly 278 feet. One might otherwise think they measure boats with micrometers.

Offline darkenfast

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Re: SpaceX Purchases 2 New Ships: Bob and Doug
« Reply #28 on: 08/20/2021 02:57 am »
Please explain "length between perpendiculars".

I believe that is the length at the water line while loaded. I get a kick out of the LOA being listed at 84.7344 meters, or exactly 278 feet. One might otherwise think they measure boats with micrometers.

Boats and ships are generally designed with lines drawn out in sections lengthwise. "Length Between Perpendiculars" (LBP) is the distance between the first and last of the sections marked on the lines plan (a drawing that shows the shape of the hull). It is only one of the various lengths you might see. Examples:

LBP - 17' (this is between the line usually labelled "B" or 0 on the plans, runs through various Sections to the last one labelled "T" (for transom).
LOH - Length Of Hull. 17' 3" (for say, rubrails around the bow and stern). Sometimes includes the rudder, if outboard.
LOA or Sparred Length - This would include the bowsprit.

I believe that in commercial vessels, LBP is used as an official length, because it s least likely to change over time, unless the vessel's hull is actually lengthened or shortened.

Beam (width) can have different meanings as well. If you are a SpaceX Net-Equipped Fairing Catcher, your Extreme Beam will be a lot different than the Beam on your papers!

This all GENERALLY.

DWL (sometimes LWL) - is Design (or Load) Waterline. This is where the Architect determines an average loaded vessel will float at. There multiple waterlines on the lines plan, and used with the Section lines (and sometimes others), will give you the shape of the hull in numbers. A Marmac 300 Barge (OCISLY, etc.) will have different waterline lengths depending on load and ballast (because the sends are sloped).

Hope this helps!
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Offline CameronD

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Re: SpaceX Purchases 2 New Ships: Bob and Doug
« Reply #29 on: 08/20/2021 04:25 am »
Please explain "length between perpendiculars".

I believe that is the length at the water line while loaded. I get a kick out of the LOA being listed at 84.7344 meters, or exactly 278 feet. One might otherwise think they measure boats with micrometers.

If you'll allow laser tape measures in that definition, then actually yes they do - because it's the hull measurements that various fees and charges are based upon.

I get a kick out of the fact that the vessel was designed to be 280' long but ended up being a couple of feet shorter.. That always seems to happen with steel vessels and it doesn't seem to bother anyone much.
With sufficient thrust, pigs fly just fine - however, this is not necessarily a good idea. It is hard to be sure where they are
going to land, and it could be dangerous sitting under them as they fly overhead.

Offline su27k

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Re: SpaceX Purchases 2 New Ships: Bob and Doug
« Reply #30 on: 08/24/2021 12:14 pm »
https://twitter.com/ed_guidry/status/1429937069804118019

Quote
SpaceX vessel “Doug” In port Fourchon, La. it’s the former “Ingrid” built by Edison Chouest Offshore. I installed the DP system on it around 2009.

Offline Hamish.Student

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Re: SpaceX Purchases 2 New Ships: Bob and Doug
« Reply #31 on: 08/25/2021 04:14 am »
I wonder if Bob and Doug, the humans, were told about the naming of the boats beforehand. 
Im sure it would be an incredible honour for them, but I could see legal wanting to get an actual OK from them first. 
Just a random tangential thought of mine, I have alot of them.

Offline Zed_Noir

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Re: SpaceX Purchases 2 New Ships: Bob and Doug
« Reply #32 on: 08/25/2021 03:56 pm »
I wonder if Bob and Doug, the humans, were told about the naming of the boats beforehand. 
Im sure it would be an incredible honour for them, but I could see legal wanting to get an actual OK from them first. 
Just a random tangential thought of mine, I have alot of them.


 :)
Shouldn't be hard to get permission from Rick Moranis and Dave Thomas.
 :)

Offline kdhilliard

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Re: SpaceX Purchases 2 New Ships: Bob and Doug
« Reply #33 on: 08/26/2021 01:17 am »
I wonder if Bob and Doug, the humans, were told about the naming of the boats beforehand. 
Im sure it would be an incredible honour for them, but I could see legal wanting to get an actual OK from them first. 
Just a random tangential thought of mine, I have alot of them.
Shouldn't be hard to get permission from Rick Moranis and Dave Thomas.
:)
But it would be classy if SpaceX invited Behnken & Hurley to the rechristening ceremonies.

Online FutureSpaceTourist

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Re: SpaceX Purchases 2 New Ships: Bob and Doug
« Reply #34 on: 08/27/2021 02:28 pm »
https://twitter.com/spaceoffshore/status/1431255178674589699

Quote
Doug - one of SpaceX's two new all-purpose recovery ships - has departed from Louisiana and is heading to Port Canaveral, Florida!

Estimating arrival on Monday.

Photo from Glen cdag via @MarineTraffic

Offline leetdan

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Re: SpaceX Purchases 2 New Ships: Bob and Doug
« Reply #35 on: 08/29/2021 04:23 pm »
Doug is en route to Port Canaveral, but Bob is riding out a Category 4 Hurricane in Port Fourchon.

https://twitter.com/NWS/status/1431997106076663816

Online FutureSpaceTourist

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Re: SpaceX Purchases 2 New Ships: Bob and Doug
« Reply #36 on: 08/29/2021 11:10 pm »
https://twitter.com/spaceoffshore/status/1432107792094089224

Quote
Speaking of Bob... Doug made it around the edge of the worst of Hurricane Ida and is now back up to speed.

The vessel will arrive at Port Canaveral on Monday evening/night.

Online FutureSpaceTourist

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Re: SpaceX Purchases 2 New Ships: Bob and Doug
« Reply #37 on: 08/30/2021 07:04 am »
https://twitter.com/spaceoffshore/status/1432121459938312196

Quote
Shocking footage in Port Fourchon where Hurricane Ida made landfall earlier.

SpaceX's ship Bob is the smaller white ship directly in front of the larger orange one.

twitter.com/985dontrell/status/1432106076422348805

Quote
Port Fourchon ,La @wdsu

Offline CameronD

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Re: SpaceX Purchases 2 New Ships: Bob and Doug
« Reply #38 on: 08/30/2021 07:21 am »
Quote
Shocking footage in Port Fourchon where Hurricane Ida made landfall earlier.

SpaceX's ship Bob is the smaller white ship directly in front of the larger orange one.

Wow!!  It's kinda hard to see where the land ends and the sea starts!  At least the ship looks okay though.
With sufficient thrust, pigs fly just fine - however, this is not necessarily a good idea. It is hard to be sure where they are
going to land, and it could be dangerous sitting under them as they fly overhead.

Online FutureSpaceTourist

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Re: SpaceX Purchases 2 New Ships: Bob and Doug
« Reply #39 on: 08/31/2021 08:30 am »
https://twitter.com/julia_bergeron/status/1432505507596623876

Quote
Welcome to the newest member of the SpaceX Fleet - Doug!

Edit to add:

https://twitter.com/spacecoast_stve/status/1432508874289029126

Quote
Introducing the newest member of the SpaceX Fleet…Doug!

Named after Doug Hurley, one of the first two humans to fly aboard a SpaceX spacecraft, there will also be a sister ship named…you guessed it…Bob, after Bob Behnken.

Live on Fleetcam: youtu.be/gnt2wZBg89g
« Last Edit: 08/31/2021 08:50 am by FutureSpaceTourist »

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