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Author Topic:   1992 Outrage Drain Replacement

yellowlab posted 10-17-2014 06:13 PM ET (US)
I am replacing the old flap scuppers on my [1992] Outrage II [of unknown length]. Are there benefits to brass transom drain tubes? Or, should I keep the same uniform white plastic fitting? Am I missing something [about the brass drains] other than higher cost and needing a flange tool? I am replacing the flap scuppers with the TH Marine FloMax ball scuppers.
Thanks,
Yellowlab
jimh posted 10-17-2014 08:26 PM ET (US)
What is a "flap scupper"?
I don't think there is any intrinsic advantage to a through hull drain made with the thin brass tubes used on the older Boston Whaler boats compared to ones made with plastic tubes on the more modern boats.
yellowlab posted 10-18-2014 01:12 PM ET (US)
Jim, the flap scupper is what 90% of the boats I see out there have. http://www.jmsonline.net/scupper-valve.htm?gclid=CNPXisnYtsECFbRzMgodlEgAqQ
The flomax ball scupper is supposedly better and won't allow water back in when at rest or heavier load towards the transom. Also claims of 70% more water flow.
http://www.jmsonline.net/flow-max-ball-scupper.htm?gclid=CKaxzPzYtsECFbRzMgodlEgAqQ
However, I had to remove the plastic transom drain fittings to allow for the proper fitment on the ball scuppers, so will have to buy some longer plastic fittings.
jimh posted 10-18-2014 01:31 PM ET (US)
OK--a combination of a scupper and a one-way flapper valve fitted to the exhaust port of the scupper. (I think that is a better definition than defining it as the one used by nine of ten boaters in a region.) I understand now. Does that affect the choice of whether to replace the drains with brass tubes or plastic tubes?
yellowlab posted 10-18-2014 06:53 PM ET (US)
Yes, it does. The plastic motorwell drain tubes have a raised portion on the outboard side. Going with a brass flanged fitting would look cleaner. I ended up cutting a portion off the exit tubing so the new ball scupper fitting would seat up flush with the transom. Will have to let it dry out before water testing.

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Author	Topic: 1992 Outrage Drain Replacement
yellowlab	posted 10-17-2014 06:13 PM ET (US) I am replacing the old flap scuppers on my [1992] Outrage II [of unknown length]. Are there benefits to brass transom drain tubes? Or, should I keep the same uniform white plastic fitting? Am I missing something [about the brass drains] other than higher cost and needing a flange tool? I am replacing the flap scuppers with the TH Marine FloMax ball scuppers. Thanks, Yellowlab
jimh	posted 10-17-2014 08:26 PM ET (US) What is a "flap scupper"? I don't think there is any intrinsic advantage to a through hull drain made with the thin brass tubes used on the older Boston Whaler boats compared to ones made with plastic tubes on the more modern boats.
yellowlab	posted 10-18-2014 01:12 PM ET (US) Jim, the flap scupper is what 90% of the boats I see out there have. http://www.jmsonline.net/scupper-valve.htm?gclid=CNPXisnYtsECFbRzMgodlEgAqQ The flomax ball scupper is supposedly better and won't allow water back in when at rest or heavier load towards the transom. Also claims of 70% more water flow. http://www.jmsonline.net/flow-max-ball-scupper.htm?gclid=CKaxzPzYtsECFbRzMgodlEgAqQ However, I had to remove the plastic transom drain fittings to allow for the proper fitment on the ball scuppers, so will have to buy some longer plastic fittings.
jimh	posted 10-18-2014 01:31 PM ET (US) OK--a combination of a scupper and a one-way flapper valve fitted to the exhaust port of the scupper. (I think that is a better definition than defining it as the one used by nine of ten boaters in a region.) I understand now. Does that affect the choice of whether to replace the drains with brass tubes or plastic tubes?
yellowlab	posted 10-18-2014 06:53 PM ET (US) Yes, it does. The plastic motorwell drain tubes have a raised portion on the outboard side. Going with a brass flanged fitting would look cleaner. I ended up cutting a portion off the exit tubing so the new ball scupper fitting would seat up flush with the transom. Will have to let it dry out before water testing.