Re: Durban designs new closeing thermostat for rad con
I don't understand the motivation. The reason for the original setup is simplicity and reliability. The only moving parts are the pump impeller splined to the drive shaft (simple and reliable), some spring operated thermostats (simple and reliable), and a bi-directional water control valve (simple and reliable); nearly all of the components of the system are contained within the powerhead and thus are protected from accidental damage; the water supply is pre-cooled and limitless; there is no electrical requirement; there are no fans; replacement parts are easy to come by anywhere and can be changed with simple hand tools.
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What you're describing has many custom made moving parts which would be difficult or impossible to come by in a bad situation, would require electric fans which are a serious potential point of failure, recirculates water that could overheat the motor if a problem arises, introduces the risk of not having enough coolant due to a surprise leak, adds critical external hoses which are more potential points of failure especially with a cowling going on and off regularly, and so on.
As a pure fabrication project it seems very interesting but from a practical standpoint it seems like you're taking a simple reliable effective mechanical system and making it complicated and electrical.
That said, it'll be interesting to see what you come up with here so keep the pictures coming
I will tell you a story k , When i launched my boat one morning in South Africa , the beach & gradient of the sand where it meets the water can be anything from 30 degrees & up , depending on the tides , the waves that break on the beach can be 1meter & up , when you launch you face your boat to wards the sea , when the wave breaks it washes up the beach , then 2 guys push the boat in the water fast , before the next wave comes , & make sure you keep the nose towards the waves all the time , then once you in the water start the motors & GO
On this particular morning the motor did not start fast enough , it was cold , the next wave came & turned my boat side ways , the next wave after that , turned me upside down on the beach , my boat looked like a helicopter with the 2 props sticking up in the air , my mate went to fetch the tractor & TURNED IT BACK UP ON THE BEACH . this was a very costly day for me ,
now coming to your side of the story , if i had a radiator fitted , i could have warmed the motors up on the beach , then it would have started first shot , now this is a common occurrence you see on south African beaches , once it is in the water I will then switch over to the impeller . to circulate the water , so my plan is merely for the south African beaches , where you can warm your motor up on the beach , using the radiator , & then switch over to impeller , that gave me the idea to do this , i learned from the experience i had ,
