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Old 02-07-2018, 10:34 PM   #41 (permalink)
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Glad to hear the book's coming along nicely.

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2. Grille block, preferably one that is removable if conditions require that.
Just mailed you some high res pics of the easily removed blocks I made for my Insight:


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Old 02-08-2018, 12:59 AM   #42 (permalink)
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Thanks Darin. I've used one of your pics.
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Old 02-09-2018, 09:13 PM   #43 (permalink)
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OK, now have undertray and grille block pics. Still after added separation edges, especially on a sedan (three box) vehicle.
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Old 02-11-2018, 03:02 AM   #44 (permalink)
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I have a story (the pics are bad and don't show detail) of a Suzuki Mighty Boy that was overheating after an engine swap and a bodykit.

I'll have to find my notes but I think the pressure drop across the radiator at 80 km/h went from 0.15 to 0.25 inches of water. Went from overheating constantly at low speeds to thermofans only operating when stopped for over a minute (*really* small water capacity in a 550cc three-pot). It also dropped coolant temps at 80 by 5 degrees C

That was via sealing the lower intake to the radiator area and mostly blocking off the other side of the engine bay (it had one of those half-radiators, so I covered most of the gap). It was crudely done with Coroplast. I can find the photos and notes if you wish.

I have an instructable on prototyping undertrays http://www.instructables.com/id/How-...-for-your-car/ that you are free to use, although your own work is superior.
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Old 02-11-2018, 03:05 AM   #45 (permalink)
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Also I have an unfinished coroplast velomobile that I intended to do tufting on when I finish the body. Is that of interest?
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Old 02-11-2018, 03:39 AM   #46 (permalink)
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Thank you, but the chapter on improving flow through heat exchangers is completed, and I am not covering HPVs.
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Old 02-11-2018, 04:27 AM   #47 (permalink)
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All good then. By the way, what's to become of Autospeed? I saw there was a blog post up for a single day a short time after the last issue, but don't recall what it said. Do you intend it to stay up indefinitely, hopefully paid for by ad revenue? Or should I download everything to my own archive before it gets lost?
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Old 02-11-2018, 04:48 AM   #48 (permalink)
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All good then. By the way, what's to become of Autospeed? I saw there was a blog post up for a single day a short time after the last issue, but don't recall what it said. Do you intend it to stay up indefinitely, hopefully paid for by ad revenue? Or should I download everything to my own archive before it gets lost?
My arrangement with the owners of AutoSpeed (Web Publications) finished some time ago - quite amicably, I must add - so I am not involved with the site now. I'd imagine they will leave it up while they get more ad revenue than it costs to host, but just like pretty well any website, I'd never assume it's going to be up there forever.
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Old 02-11-2018, 05:20 AM   #49 (permalink)
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Ok I'll copy it all myself then. Having copies of your experiments has been useful for my own reference already and I'd hate to look one day and find it all gone. I also intend to go through many of the topics in video format on a (yet to be created) youtube channel, so it would be to my detriment if I didn't try and archive it.

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