Nitro water cooling ? - RC Groups
Summary
For cooling during test run,I connected small brass tubing out the rear of the boat where there was already a hole there.Made some simple fittings and hose,ran fresh water through the head and it flows nicely out the side port of the boat.I started the motor and it idled perfectly and the responce was a tad sluggish,but really crank the RPM`s...was incredible.Using 15% fuel I understand I may be better with 30% for better response. I have a hole in the rear of the boat high near the top to run hose or tubing,but where will it be best to mount the intake part? Here is a photo of this boat,looks in solid condition even though not modern...cool anyhow.Note my home brew starter There is so much to sort in this forum may be easier if I post a new thread about this topic.I have a ready to run RC Nitro boat and have tested the motor yesterday.I only had 15% Omega fuel for my airplane motor but it fired up the old OPS .21 3.5cc boat motor in a few minutes.I bought the entire system for only 20 bucks and so far only replaced all battery packs and radio works 100%.For cooling during test run,I connected small brass tubing out the rear of the boat where there was already a hole there.Made some simple fittings and hose,ran fresh water through the head and it flows nicely out the side port of the boat.I started the motor and it idled perfectly and the responce was a tad sluggish,but really crank the RPM`s...was incredible.Using 15% fuel I understand I may be better with 30% for better response.My question here is where can I find methods to mount my water intake ? I see very little on this subject online and could use some tips and methods for this.This boat looks and sounds really fast....can not wait to get it ready for actual run on a large pond or lake. FYI...rudder does not have a connection for water intake like I have seen on you tube.Most are electric motor examples.Here is a photo of this boat,looks in solid condition even though not modern...cool anyhow.Note my home brew starter
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