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[TR] TR3A Defrosters

To: Triumphs <triumphs@autox.team.net>
Subject: [TR] TR3A Defrosters
From: William Brewer <wsb1960tr3a@att.net>
Date: Mon, 25 Oct 2010 07:43:43 -0700 (PDT)
     Last year I put a Maradyne heater in my TR3. I really like the heater and 
stay toasty warm on my way to work and the fan blows pretty hard. The Maradyne 
has dual 1.75" diameter defroster outlets. The TR3 defroster hoses are 1.25" 
diameter, so I made adapter fittings out of PVC on my lathe and hooked up the 
TRF sources 1.25" corrugated defroster hoses. The ducts have no sharp bends or 
90 degree angles. I only hooked up the driver's side as a test. Driving to work 
this morning I configured the vents so 100% of the heater air would go through 
the drivers defroster. Man, barely any air would come out. As a matter of fact, 
it was hard to tell if ANY air was coming though. The vent is clear of 
obstructions. What gives? I am thinking that the rough corrugated hose may have 
friction losses. I am considering buying an aluminum hose from MMC(item 
5262K21). I am also considering trying to open the defroster vent up a little 
bit.
     Anyone else have this problem?
     It seems like it should blow like crazy out the vent. 
     TIA,

     -Bill in Tehachapi
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