Hi Evangelos,
The flow is correct as you stated. Now possibly the blower is spinning
but not throwing any air. I had this happen in my Jeep once, it turned
out to be the fan blades had rusted completely away. Also butterfly's
have a habit of spinning without moving the vane. From the out side
everything looks fine, inside nothing moves.
As I understand and remember it on my 67, It was very similar to my
Bugeye. The way to get air into the cockpit was through small doors in
the tranny hub. They had to be openned by hand. Just forward of this
should be the defroster tubes running to the windscreen. From the heat
box air is sent down though a thin duct between the tranny and tranny
hub. From there it is sent via the above methods.
Hope this helps
Rick
52 MGTD (No Heater at all), 74 B, 76 XJ12C, & Puddles (60 Frogeye)
Evangelos G. Makris wrote:
>
> I am still getting no air (cold or warm) in my Sprite.
>
> I have established that the motor sucks air fine by
> placing a paper tissue over the motor grille and it
> was going in towards the fan.
>
> Linking the motor to the large black Smiths heater box
> is a tube with a swinging butterfly "door" (much like
> a carb throttle valve). It is operated by a push-pull
> knob on the dashboard. The motor is engaged by a
> two-position (on/off) toggle switch elsewhere on the dash.
>
> The water tap is open and I can feel the water hoses linked
> to the black box being warm, ok.
>
> I haven't opened the black box yet. What should I do?
>
> I understand air enters the box through the motor and valve.
> Warm water enters the box & matrix through the hoses.
> Here's my question: How does warm air enter the cabin?
> I cannot see any other hoses. And how does one chose footwell
> vents or windscreen demisters as the warm air delivery point?
>
> Regards
>
> Evangelos
> 66 Sprite 1275
> 78 Mini 998
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