See full version: Silencing an inboard
The silent rider muffler is very good, significantly quieter than the twin straight ones. To add to an existing system, there are muffler inserts that will fit in to the stainless tips if your boat is equipped with those (CP Performance carries them). Good rubber baffles on the tips also help quiet exhaust noise.
I would certainly ponder the holeshot performance impact of the FAE, I would think it would take some time lag to actually impact the performance of the exhaust, there should be enough volume to absorb some low speed restriction, but perhaps enough builds up at idle to impact the launch. I can certainly see the low pressure side at higher velocity, I have used a crank evacuation system on cars and it certainly works there, same principle applied. I agree on the wake impact, simply the added weight hanging off the back will have a negative effect for slalom. here
Thanks guys. 2 questions then - where is best place to exhaust? - i know im going to have to make a hole somewhere! anyone know of a suitable blower supplier in uk? thanks steve more
steve. i have no idea what the laws is uk are. however your on the right track. for your and everybody else's safety, DO put a blower in it if it don't have one, even if there's no law that says ya have too. i'm a power squadron memeber here in nebraska and i can't tell you how adimate they are about useing your blower. 4 minute min. before every start. open the engine cover and sniff for fumes. fuel vapors in the bilge is a very serios situation. look in these fourms and your sure to find pics of boats burned to the waterline for one little mistake. not ventalteing the engine compartment. fuel vapors and any spark equal one big explosion. <br />dune is right about the vents being one faceing forward, one back. the one faceing forward is the ram air for when your moving, the one faceing back is the one the blower mounts too and blowes out that vent. mine and most I/O's are mounted on the top of the back deck. i don't know where you put them on a inboard as the engine compartment is in the middle of the boat. but there has to be a good answer, perhaps looking around at some newer inboards can give you some ideas. jim [links]
I always flip the blower switch on while taking off the tie downs waiting for my turn at the ramp. This usually allows it to run a minimum of 5 minutes.<br /><br />DougV>
Exhaust for the blower? You can get shell shaped vent plates almost anywhere, different styles and materials to suit your taste (or more importantly your partners taste ) Usually they are mounted up high on the horizontal part of the transom. Its common to have 2 vents, one facing out and one facing in, the blower connects to the one facing out.<br /><br />Little tip: When I turn my blower on I stick my ample snooz in front of the vent (only takes half a second) that way I know immediately if I have a fuel leak. Its a simple first line of defence.<br /><br />Aldo here
While you’re at it, feel free to do a routine check for each of these systems and parts:
The most common type are 4- or 6- cylinder engines. Another option is to have a marine V-drive engine, which is located closer to the stern. Inboard engines are the types of engines we will be focusing on, so I’ll delve deeper into this a little later. more
In addition, car engines don’t heat up as much as marine engines do, because they don’t have to work as hard. [links]
These pistons are connected to crankshafts (otherwise called drive shafts). As the pistons are pushed down, the drive shaft spins, which moves the vehicle. here
The 23′ Dusky 233 inboard has a hull made of fiberglass and is made for skiing and fishing. It comes with: more
Except that, instead of setting wheels in motion, a boat motor turns the propeller, via the drive shaft. more
Ventilation is crucial for an inboard motor and should be continuously checked; otherwise overheating could cause a fire. Constant checks and maintenance are essential to ensure the engine performs at optimal levels for a longer period.
An outboard engine can run on an average of about 1500 hours. Although every outboard engine is different, as long as it’s maintained well, it is bound to last longer but only if it is used regularly.
What else should you consider before buying a used boat? You should also always thoroughly check the current condition of the boat. When checking the boat, make sure to look out extensively for leaks, no matter how small. Check the bolts on the engines to ensure there haven’t been any undisclosed maintenance. The idea is to have an accurate picture of the boat’s condition depicted in your mind so you can accurately gauge how much impact the usage hours have on it. It is normal for a high hour boat to have had some repairs or need some repairs, however disclosure and proof that these repairs have been handled correctly is crucial in your purchase of one.
So what are the average hours a boat engine has? Gasoline boat engines run for an average of 1500 hours before the need for an extreme overhaul. While the average marine diesel engine will run more than three times the gasoline engine will and can log about an average of 5000 hours under the same conditions.