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Purchased 444, Few questions
- RussC243
- Scurvy Dog
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Purchased 444, Few questions
There is a list of things I want to fix after I take possession. Most of the list I have a handle on. I am very much a DYI type, long time motor head but never touched a diesel.
1. I want to add the ability to monitor fuel flow. What are my options?
-Can I go with Flow Scan, or does the TAMD63' have a tank return?
-Is there any way to get injector pulse width data from the engine computers? I am a electrical/software engineer by trade and can cobble together and calibrate a flow monitoring system if this data is available from the engine computers and the format of the data is available.
2. How to identify manufacturer and source of a few things I want to replace such as a few cracked access ports (~8" rings with disk that unscrews from ring), A few salon lights that don't light up, various hoses in engine room that a starting to look a bit shabby.
3. What is your normal top speed and RPM ? Previous survey list about 26 MPH at about 2800 RPM, five adults on
board. Fuel tanks read 1/8 aft and 3/4 main tanks. Water gauge read 0/4. Waste gauges read 0/4. A web search suggests that is close to what is expected... perhaps a couple MPH low. This will be that main item I will look for when I have my survey done. Seller is replacing worn cutless bearings before sea trial.
Thank you
Russ
- Tireless
- Commander
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- Vessel Info: 2006 Carver 44 CMY
Volvo Penta D6 370 HP - Location: Port Severn, Ontario
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Re: Purchased 444, Few questions
As for finding out who the source of this on your boat, contact Carver directly and provide them with your serial number and they will have the spec’s for your boat. Carver 1-920-822-3214. As for mechanical parts, like hoses, filters and other stuff, most Volvo Penta dealers will have access to these.
My boat has the VP D6’s and it does 3600 rpm’s at WOT. I get about 26 MPH at WOT. Depending on the weight of fuel and other factors I can get more. I did my Sea Trial with minimal water and fuel on board and I got it up to 29 MPH. When I am at planning speed, 3200 RPM’s I am travelling at 20 MPH +- depending on weight from fuel, water and my dinghy, consuming 23 G.P.H. (Imperial gallons)
With the spec you provided about your TAMD63’s, with you RPM’s at 2800 your getting 26 mph, it sounds like my spec’s may not assist you very much as I believe my Volvo Penta D6’s a newer version and a different engine, not sure. There are others on this forum that will jump in to assist you.
I see the boat currently has minimal fuel in the auxiliaries. I only fill the aux.’s when I am doing a long crossing and I burn that first. Full aux. tanks create a significant amount of drag which has a tendency to keep the bow up, even with full tabs set for bow down. This can impact your speed from 1-2 MPH. I also have a 12’ foot centre console hanging off the back.
I hope this helps you, and congrats on the purchase. They are a great boat, we love ours.
Greg
- RussC243
- Scurvy Dog
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Re: Purchased 444, Few questions
Thank you for the great response. I looked at adding the EVC but concluded/assumed it needed engine computers from later model years than 2003. I will research that approach again and well as if there is a return line to the tank which I think precludes flow scan. The easiest (and sub $10) approach for me might be to tap/sense the voltage applied to one injector on each engine, measure the pulse widths and display via a 2x16 LCD display.
I will contact Carver to see what items on my list they can help with. Great tip on not filling the tanks as I will typically be making short trips.
Russ
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Suspicious Fishes !
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Re: Purchased 444, Few questions
- RussC243
- Scurvy Dog
- Posts: 7
- Joined: September 14th, 2020, 3:04 am
- Location: NY
- Has thanked: 2 times
Re: Purchased 444, Few questions
After a few hours learning about diesels, I think the TAMD 63's have direct injection rather than common rail injection so there are no wires to tap.
Tom, Thank you... Return line sensors... I don't know how I missed that. Flow Scan shows it in their documentation. That will be my fall back plan if I hit a brick wall getting data from the engine computers.
As is usually the case, others had my same goals and took the time to share. While researching the EVC approach, I came across this article linked below of someone who went down the same path. So now I can jump to my end goal. I 1st thought the format was J1939 but it is probably J1708. I will wait until I take delivery of the boat and see exactly what interface is available from the engine computers.
https://panbo.com/yacht-devices-j1708-e ... nmea-2000/
Russ
- bud37
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Re: Purchased 444, Few questions
- RussC243
- Scurvy Dog
- Posts: 7
- Joined: September 14th, 2020, 3:04 am
- Location: NY
- Has thanked: 2 times
Re: Purchased 444, Few questions
Thank you
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