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Old 22 October 2014, 05:51   #11
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Thanks, as i read the seller's description again carefully it says the engine was used by " inshore rescue, Midlands area, never used in seawater". That would explain why it is not fitted with inversion proof system, I imagine they are fitted only in units going to sea. Still hope it is a good engine and will prove its value (wasn't cheap and I didn't negotiate at all it seemed to be in very good condition).
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Old 22 October 2014, 09:51   #12
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I've never seen an RNLI inversion proof system in private hands-IIRC they remove them all when they sell the motor on as they are very expensive.
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Old 22 October 2014, 10:19   #13
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all the emersion kit is, is a hose connection in the carb drain plug hole, a hose pipe from the carb to a tap, then out through the bottom tray.There was an instruction sheet inside the top cowl,but the obmswere put back to standard when they came back to barrus, thats why you can see grommets in the bottom cowl.Myself and the service manager used to do the finall inspection on those R.N.L.I. obms, before they were boxed, they are a bloody good obm, ive always liked them, they can be a bit fiddly to set up though.use it and enjoy it.
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Old 22 October 2014, 11:26   #14
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Ex RNLI Mariner 40 outboard- is it inversion proof?

Quote:
Originally Posted by Polspear View Post
Thanks, as i read the seller's description again carefully it says the engine was used by " inshore rescue, Midlands area, never used in seawater". That would explain why it is not fitted with inversion proof system, I imagine they are fitted only in units going to sea.).

Cant think of any inland lifeboat stations in the Midlands , south broads would have been the nearest though its now closed ,
Only rnli boats in the Midlands with a 40 hp could be a Publicity D Class but the engines are Dummy ones ( powerhead removed ) .
As well as expense of the inversion parts another reason why the institution removes them as well as other kit is in private ownership strict maintenance routines are often not adhered to possibly leading to failure.
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Old 23 October 2014, 03:53   #15
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As I said above ,we at barrus used to remove all the extra stuff that the R.N.L.I. had fitted,and fitted an extension to make them a long shaft before selling them on to the dealer net work. Polspears obm must have been a special order as the leg wasnt extended. You used to be able to buy the old inshore boats from the R.N.L.I. at the end of the boats service life.
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Old 23 October 2014, 04:45   #16
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Ex RNLI Mariner 40 outboard- is it inversion proof?

Some of the early inversion proofing with the old Evinrude outboards (pre mariner ) & before cd ignition came out had Flaps inside the exhaust leg & on the air intake ect , a lot was trying to keeping water out of the engine hood with points ignition .
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Old 23 October 2014, 10:59   #17
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m chappelow you are right I remember looking at them when I went to Cowes, to see the (gents?) in the outboard shop, they also said that they designed and built them for the Evinrude, they had enough spare for them to last years.
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Old 26 October 2014, 04:03   #18
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Ex RNLI Mariner 40 outboard- is it inversion proof?

Dont forget as well as engine inversion proofing the fuel tank will also need to be inversion proofed too for it to be of any use .
Once the boats upside down If the fuel tank gets dunked cold water contraction of the petrol will often cause water to be sucked into the fuel tank via the breather pipe or vent screw,
Flexible fuel bladders don't need or have breather vents & so are not prone to this as once the filler cap gets screwed down it is in effect a sealed unit .
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Old 26 October 2014, 12:03   #19
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Thanks Mchappelow, great point mate.

Cheers
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Old 11 November 2014, 16:21   #20
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Since I presented the engine and i know there are some professionals among you... I found few threads about it and some info but perhaps you could clarify it to me... How do I connect battery to charge in this engine?
I know there is a coil in flywheel, two green cables going out. I checked and I dont have any voltage there, does t mean the coil is busted? As I understand i cannot connect these cables directly to battery, it must go through rectifier (?) Is that the thingy:

How to connect.
If you know of a thread with good description let me know
Any help would be appreciated
Thanks
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