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Old Nov 14, 2012, 08:59 AM
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United States, CT, Cheshire
Joined Mar 2012
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Zenoah 23cc Need info.

Hi all, I am very new to r/c boats,infact this is my first one.Does any have a diagram of how to hook up the water lines? I have a 57" signature Aeromarine that I just bought and I just bought a Zenoah 23 cc engine for it,and I have no clue on how to hook up all the water hoses. The hull has a dual water pickup in it.Any help would be appreciated
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Old Nov 15, 2012, 02:09 AM
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Helsingborg, Sweden
Joined Jul 2005
262 Posts
Bigger pics would help!!!

One tube from the water pick-up to the lower of the two nipples on the head. Higher nipple to over the side.
Other pick-up to the lower nipple on the exhaust flange, higher nipple over the side.
Can't really see from the pics but if you have a watercooled connector on the pipe (don't think you do) then you can connect it after the exhaust flange or alternatively before the head.
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Old Nov 15, 2012, 06:14 AM
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Many thanks!!!!!!!!!!!!!
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Old Nov 15, 2012, 09:06 AM
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United States, OR, Hillsboro
Joined Jun 2010
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They have a water pump out there that is powered by the vacum pulses of the motor that would pump water while its just at idle.I have one on my boat because it gets warm real quick
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Old Nov 15, 2012, 09:12 AM
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I will I dont want to ruin the engine Thanks for the advice
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Old Nov 16, 2012, 03:59 AM
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Helsingborg, Sweden
Joined Jul 2005
262 Posts
If you are not running a clutch the water pump is not needed.
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Old Nov 16, 2012, 04:30 AM
Complete RC Idiot Savant
The Netherlands
Joined Nov 2009
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Quote:
Originally Posted by flyboy4422 View Post
They have a water pump out there that is powered by the vacum pulses of the motor that would pump water while its just at idle.I have one on my boat because it gets warm real quick
You have any info on that pulse driven waterpump? Home made? (drawings?) If not, where to buy?

I am looking for exactly that for my watercooled helicopter....

Brgds, Bert
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Old Nov 16, 2012, 06:19 AM
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Helsingborg, Sweden
Joined Jul 2005
262 Posts
Here's one from Warehouse Hobbies. Tap the case or the inlet manifold for pulse or buy the inlet ready to go.

See you are in Europe so here or here.
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Last edited by w3bby; Nov 16, 2012 at 06:25 AM.
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Old Nov 16, 2012, 08:48 AM
Complete RC Idiot Savant
The Netherlands
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2,730 Posts
Anybody has any figures on what delivery capacity of these pumps will be at 11000 RPM and 15000 RPM? and what temperatures they can handle? as I am intending to run them in a closed circuit and water return temperature would typically be in the area of 80 degrees C.

I am looking for a minimum of 10 grammes/second over the full RPM range, preferrably more....

Brgds, Bert
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Old Nov 21, 2012, 06:50 AM
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United States, CT, Cheshire
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23 Zenoah cc

How does the connections go for this engine connect to the fuel tank??????Which one goes where? Thanks
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