Is a honeycomb radiator generally more efficient than a stock round or flat tube radiator?
Is a vintage honeycomb radiator a good thing on a Model T or do they have problems, like bad cooling or being easily plugged up over the years?
About 6 times more efficient than the others, that said it must be clean and they can only be boiled out as it is impossible to rod them as you would a tube type. My old twenty four had one in good shape and I ran it with out a fan for about five years. It is cost prohibitive to buy a new honey comb core. KGB
They can be good or bad. I struggled too long with the one on my 1923 touring. The car now has a new Berg's and no more overheating.
I had an Overland on my speedster, first endurance run a fan blade went into it. On the side of the road it was packed with rags and bars leak. After the run I filled in the holes and ran the radiator for years with no overheating problems. I never had a waterpump.
How were honeycomb radiator cores made originally? I picture a bunch of zigzag brass wafers soldered together but if it were that simple someone else would do it.
Vinegar is your best friend for cleaning any of these old radiators. Lay it face down, seal off of neck and dump a couple of gallons into it. Walk away for a day. Carefully drain into a container, flush with lots of water and inspect the core. See how well the water flows through it. If you still see build up in it, then strain the vinegar and do again with the used stuff. The nice thing is the vinegar is unlikely to cause a leak and if it does, the leak area will be cleaned and ready to solder
I resurrected one last year. Chased five leaks in it and got them dammed up. Now it is ready to mount in my Tudor. We'll see how it performs now that it is all cleaned out and re-finished. Just one caveat: if you're going to paint it, use radiator paint. I get mine in spray cans from Eastwood. Regular paint protects nice but doesn't transfer heat well.
Thanks for posting that video it was very interesting.
Scott, that car was stored all those years with the radiator dry. I back flushed it a while back and only got one tiny rust flake. The radiator itself did not leak but the pet cock and hoses did. That pump is an atlas. Hope that helps, it was always empty for fear of freezing.
I have a Hexcel honeycomb radiator in my 24 Touring.
Have yet to run it but I did flush it a few days ago and got almost nothing out of it. Thankfully, it appears to have been stored dry for the last 50 years.
They just don't look right on a T, and they don't have the bar going across, because they can't!
Mine looks really cool....I hope it works well.