RV-10 Heater for Liquid Cooled Engines

Everyone,

As you all know by now I am going to install a Corvette LS-1 Engine in my RV-10. I have chosen the conversion package from Geared Drives and will be receiving my engine package next summer.

In the mean time I have been working on all of the systems that need to be in place to support this beast. One of those is the cabin heater. I now have the use of hot liquid coolant from the engine to heat the cabin so I have made a heater box that its in the center tunnel just forward of the fuel valve.

I called the fine people at British American Transfer (BAT Inc) and ordered a 4 in. SPAL slim line puller fan, a 115mm 13 row oil heat exchanger and a couple of 8AN banjo fittings. I then crafted a plenum that enclosed the fan that is placed on top of the heat exchanger. This allows the fan to pull air upwards through the heat exchanger and the plenum has 2 in. outlets pointing for and aft towards the front and rear seat distribution tees.

I mounted the heat exchanger on a couple of long rectangular, looped mounting brackets that hold it about 8 in. off of the floor. I did this for a couple of reasons . First, I needed to allow air access to the underside of the heat exchanger and this was accomplished by rasing it up. Second, I needed to get the outlet positioned so that there were essntially straight runs to the distribution tees.

I have it mounted in the tunnel and haven’t taken pictures yet so they will have to come later. I will also talk about the hook ups for this heat exchanger in another post.

Dave

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