Spiegel Grove tec or rec?

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sharko108

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Location
France
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Hi guys!
I'm planning to dive the Spiegel Grove next March with Horizons but i'm not yet sure if i'll do the basic double dips or a long tec dive with deco.

Of course the tec dive will be more expensive because of the tec guide, deco rent but i was more wondering about the dive profile:
- With double dip , we'll stay in NDL and it might be around 2x30min dives so let's say 1h total time on the wreck? And probably for the second dive only on the upper part because of the NDL (correct me if i'm wrong this is just supposition)

- With tec dive, i'll go into deco, more bottom time (maybe some swim through) but i was wondering if part of the deco (slower GF of course) could be with deco gaz after switch but still exploring around the wreck ? My point is, the goal with that tec option, besides just having more bottom time/with deco, to also have like the double dip (almost) full time on the wreck and not having like 30min bottom time then 20min deco in the blue at 3-6-9m. So above the wreck and not really enjoying it which would makes 1h on te wreck for the rec dive VS 30-40min on wreck for tec dive

If some of you did it with deco, i'm curious to know what kind of profile :)

Thanks
Chris
 
In 2015, my son and I did 4 no stop dives in a day off Frank Wasson's Spree using HP 100s and 32%. Dives were controlled by NDL. I knew the Spiegel Grove quite well, we did many very good swim throughs Including entire main deck from bow to well deck.

1758476912862.png
 
In 2015, my son and I did 4 no stop dives in a day off Frank Wasson's Spree using HP 100s and 32%. Dives were controlled by NDL. I knew the Spiegel Grove quite well, we did many very good swim throughs Including entire main deck from bow to well deck.

View attachment 919251
Sorry i'm not sure to understand your point and the picture for my question? 😅
 
I much prefer doing one long deco dive on the Spiegel. Depending on how long my dive buddy wants to dive, I'll do it with either 50% alone or both 50% and 100% O2. The top of the wreck is not much shallower than 21m. You could use 40% as a deco gas and explore some of the upper part of the wreck. If you use 50%, you'll pretty much be limited to the very top of the wreck for continued exploration. If you enjoy watching fish, it's a good spot, but you won't be able to see much of the wreck itself.

Current is something else to consider. It is common to have a strong current. You'll have to do your deco hanging on the mooring line. When you go down the mooring line at the start of the dive, take note of the current and decide how long you really want to do your deco hanging on the line.
 
Sorry, just giving you an idea of what you can get with rec double dips, more than you estimated.

Best of luck for your trip.
oh ok thanks! But i don't think that's what they do for double dip rec dive from what i've seen on some post or youtube videos (i'll check again)
I much prefer doing one long deco dive on the Spiegel. Depending on how long my dive buddy wants to dive, I'll do it with either 50% alone or both 50% and 100% O2. The top of the wreck is not much shallower than 21m. You could use 40% as a deco gas and explore some of the upper part of the wreck. If you use 50%, you'll pretty much be limited to the very top of the wreck for continued exploration. If you enjoy watching fish, it's a good spot, but you won't be able to see much of the wreck itself.

Current is something else to consider. It is common to have a strong current. You'll have to do your deco hanging on the mooring line. When you go down the mooring line at the start of the dive, take note of the current and decide how long you really want to do your deco hanging on the line.
Thanks for your feedback! And what is your usual run time/TTS when doing it tec with only 50%? But good to know i could deco with 40% for the upper part. And yes i'm stupid i forgot that i could just also enjoy fishes in the blue also .
As i won't have any dive buddy i'll probably be with a Tec guide, so in any cases i guess the guide will know what could be the best plan to maximize time on the wreck instead
 
My run times are usually 65 minutes. If it were up to me, I'd probably do 75 minutes, but my dive buddy doesn't enjoy doing longer deco hangs.

Another thing to keep in mind, March is often quite windy. It's very likely that you'll have several days that are cancelled due to weather. Make sure that you've got a decent number of days available because you will likely loose a number of possible dive days.
 
My run times are usually 65 minutes. If it were up to me, I'd probably do 75 minutes, but my dive buddy doesn't enjoy doing longer deco hangs.

Another thing to keep in mind, March is often quite windy. It's very likely that you'll have several days that are cancelled due to weather. Make sure that you've got a decent number of days available because you will likely loose a number of possible dive days.
I don't mind with longer deco hangs and i'm excepting not less time than the double dip haha. but the guide will decide the plan i guess

Oh... i hope it won't be the case as my 3 weeks trip in Florida is really tight. i'll also be in Key West 2-3 days before to dive vandenberg wreck hopefully..
 
Hi @sharko108

Just to make sure you understand why I posted. The trip I did on the Spree was a rec/light tech trip. It was quite clear to me that I got more time on the Spiegel than the divers doing light tech. I went back to look at my profiles.

My bottom time/wreck time was 78 min during the morning dive window and 86 min during the afternoon dive window. We were only limited by no stop and the open time for diving. You are correct in inquiring what the Horizon policies are regarding bottom time and surface interval for no stop dives.

Doing deco above the Spiegel on the down line is less than thrilling. The light tech divers on our trip were mainly doing it for practice for more substantial dives. @The Chairman was on this dive trip with us. One of the light tech divers joined my son and I for most of the trip to maximize bottom time (the Duane, Eagle. Thunderbolt, Adolphus Busch, and the Vandenberg).
 
Hi @sharko108

Just to make sure you understand why I posted. The trip I did on the Spree was a rec/light tech trip. It was quite clear to me that I got more time on the Spiegel than the divers doing light tech. I went back to look at my profiles.

My bottom time/wreck time was 78 min during the morning dive window and 86 min during the afternoon dive window. We were only limited by no stop and the open time for diving. You are correct in inquiring what the Horizon policies are regarding bottom time and surface interval for no stop dives.

Doing deco above the Spiegel on the down line is less than thrilling. The light tech divers on our trip were mainly doing it for practice for more substantial dives. @The Chairman was on this dive trip with us. One of the light tech divers joined my son and I for most of the trip to maximize bottom time (the Duane, Eagle. Thunderbolt, Adolphus Busch, and the Vandenberg).
Ok thanks ! So for you deco dive ain't really a good plan ? But i agree i dont want to do deco hanging on the Line , that's why i asked if could be possible to do part of off gazing while exploring the upper part .

With 78 and 86min dive with no deco it was some big Time on upper part i guess? I will ask horizons but i think if i'm doing double dip dive i will ask for my own guide otherwise i don't think we could do such a long dive if with more less Advanced divers, Big SAC or anything else
Last time i asked them about what kind of profile they did they told me they go up to stay in no deco zone and when it's not possible anymore or 1000 psi , dive is over
 

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