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Forum: Engines and Propulsion Systems 14-06-2008, 06:16
Replies: 32
Views: 12,189
Posted By mobetah
Thanks again Chief and Boracay, I'll check...

Thanks again Chief and Boracay,

I'll check the exhaust as is, then I'll take the hoses off and check after the pump, then after heat exchanger, then at the mixing elbow and then finally at the...
Forum: Engines and Propulsion Systems 13-06-2008, 18:59
Replies: 32
Views: 12,189
Posted By mobetah
Thanks Chief, I haven't but I will as soon...

Thanks Chief,

I haven't but I will as soon as I get back to the boat. The engine and exhaust elbow are basicly new (about 400 hours). I wouln't think that there would be scale or be corroded but...
Forum: Engines and Propulsion Systems 13-06-2008, 13:07
Replies: 32
Views: 12,189
Posted By mobetah
Hello everyone, I just talked to the folks...

Hello everyone,

I just talked to the folks at Oberdorper Pump Co. They say the 302m pump should pump about 18 gpm at 2800 RPMs. In addition, they stated that the 3/4" line should provide enough...
Forum: Engines and Propulsion Systems 13-06-2008, 06:44
Replies: 32
Views: 12,189
Posted By mobetah
Alan, Like I said, the temp would go higher...

Alan,
Like I said, the temp would go higher than 210 degrees if I let it (and it has on a couple of ocasions at 2300 or 2400 RPMs, not at the maximum 2800 RPMs).I don't think it would be wise to...
Forum: Engines and Propulsion Systems 12-06-2008, 19:28
Replies: 32
Views: 12,189
Posted By mobetah
Prior to installation of the large raw water pump...

Prior to installation of the large raw water pump .... at near maximum RPMs (2400/2800) the temp would rapidly reach 210 degrees F (or more if you let the engine run at that speed - I would shut it...
Forum: Engines and Propulsion Systems 06-06-2008, 15:59
Replies: 32
Views: 12,189
Posted By mobetah
Boracay, No, the pump is upstream from the...

Boracay,

No, the pump is upstream from the heat exchanger .it pumps water downstream to the heat exchanger.

Thanks, Bill A.
Forum: Engines and Propulsion Systems 06-06-2008, 09:35
Replies: 32
Views: 12,189
Posted By mobetah
Thanks Don, Yes, the new waterpump which...

Thanks Don,

Yes, the new waterpump which Phasor installed relaced the old Oberdorper pump.

The new pump (as well as old pump) was mechanical powered (NOT belt driven).

The new (as well as...
Forum: Engines and Propulsion Systems 06-06-2008, 05:42
Replies: 32
Views: 12,189
Posted By mobetah
Overheating Kubota - I Need Advice

Now that the new fuel and water tanks are in it's time to tackle the overheating Kubota.

Background:
I have a 50hp kubota marineized by Phasor. At higher RPMs, the engine has ran hot from day...
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