[TR] Was Smiths Heater Core Rebuilding/Now Maradyne Heaters

Geo Hahn ahwahneetr at gmail.com
Tue Sep 27 14:11:30 MDT 2016 

Pictured was the 7" model.

On Tue, Sep 27, 2016 at 10:00 AM, Wbeech at flash.net <wbeech at flash.net> wrote:

> Geo,
> Looks very neat indeed.  Is that the 7" or 8" square model?
> B
>
> Sent from my Altair 8800
>
> On Sep 27, 2016, at 8:47 AM, Geo Hahn <ahwahneetr at gmail.com> wrote:
>
> Randall -
>
> Here is mine after I reversed the box as Bill describes (Harbor Freight
> step drills work great for this):
>
> <Heater2.JPG>
> ​
> For trial fitting while waiting for delivery I worked with a cardboard
> mock-up:
>
> <Heater1.JPG>
>
> Here is the unit in place:
>
> <Heater3.JPG>
> ​
> I did not connect a defroster as it seemed unnecessary with my climate and
> driving style:
>
> <Brrr.JPG>
>
> Geo
> ​
> ​
>
>
> On Mon, Sep 26, 2016 at 9:43 PM, Bill Brewer <billbrewer59 at yahoo.com>
> wrote:
>
>>      Just run the regular thermostat. I regularly drive the car with the
>> temperature in the teens and am comfortable. It might be a different story
>> when it is below zero.
>>
>>      Haven’t noticed a big change in the engine running temperature.
>>
>>      I bought smooth defroster hoses from McMaster Carr thinking that it
>> would aid in airflow to the defroster vents. The Maradyne heater has
>> closeable flaps that should force the air through the defroster vents.
>> Alas, it is not so. Not sure why. I have considered rigging a 12 volt hair
>> dryer to the defroster vent to defrost the windscreen.
>>
>>      And Randall, my bro-in-law lives in Wasseon, Ohio and I had to go to
>> Whitehouse to eat steaks at the Whitehouse Inn last summer. We also went to
>> Grand Rapids to look at the water (a fantasy come true for a Californian).
>> Later we bought about $500 in fireworks and let all of our pyromaniac
>> fantasies come true, another treat for a family whose state is always
>> catching fire.
>>
>>
>>
>>      -Bill in Tehachapi
>>
>>
>>
>> *From:* Reihing, Randall S. [mailto:Randall.Reihing at utoledo.edu]
>> *Sent:* Monday, September 26, 2016 1:42 PM
>> *To:* William Brewer
>> *Subject:* RE: [TR] Was Smiths Heater Core Rebuilding/Now Maradyne
>> Heaters
>>
>>
>>
>> Hi Bill,
>>
>>
>>
>> Wow, I am very impressed how well the Maradyne has worked for you.  I
>> have not driven the TR3 much at all once temps are below40F as it's not all
>> that comfortable.  That Maradyne 25,000 BTU heater may change all that.
>>
>>
>>
>> Since it's cold enough to snow at your place, like here, that Maradyne's
>> 25,000 Btu's is about 5 times more than the stock heater so I am wondering
>> if you have noticed any change in engine operating temperature when the
>> heater is at full output.
>>
>>
>>
>> Do you need to install a higher temp engine thermostat for winter use?
>>
>>
>>
>> Randall in Whitehouse, Ohio, 26 miles SW of Toledo.
>>
>>
>>
>>
>> ------------------------------
>>
>> *From:* William Brewer [billbrewer59 at yahoo.com]
>> *Sent:* Monday, September 26, 2016 2:16 PM
>> *To:* Reihing, Randall S.
>> *Subject:* Re: [TR] Was Smiths Heater Core Rebuilding/Now Maradyne
>> Heaters
>>
>> Hi Randall,
>>
>>      Yes, I mounted the larger heater (25,000 BTUs) and it fit fine. It
>> is almost the same size as the smaller heater but has a more powerful fan
>> and larger heater core. It puts out a lot of heat. It snows where I live
>> and it keeps me comfortable regardless of the outside temperature.
>>
>>      If you need more information, just ask.
>>
>>      I rebuilt my TR3 engine and transmission 2 years ago and didn't
>> re-install the heater until yesterday. My Honda died and I have been
>> driving a 1952 Triumph Renown until I get the heater working in the TR3 and
>> then the TR3 will be my work car until I get another "real" car. Once I had
>> to use my TR3 as my work car for 2 years!
>>
>>
>>
>>      -Bill in Tehachapi, California
>>
>>
>>
>> On Monday, September 26, 2016 10:24 AM, "Reihing, Randall S." <
>> Randall.Reihing at utoledo.edu> wrote:
>>
>>
>>
>> Hi Bill,
>>
>>
>>
>> Thank you for sharing your results with the Maradyne heater. I very much
>> like the way you mounted your Maradyne. I have flushed out the stock TR3A
>> greater and it is working about as well as expected. I believe the stock
>> TR3A heater is rated at very close to a 5000 BTU output. Maybe it was
>> intended to be a bit of a mental deception in that feeling the modest
>> output of slightly warm air with your frozen finger tips would have you
>> believe you were warmer than you really were.
>>
>>
>>
>> Triumph did offer a very rare option in heaters for far northern climates
>> but I have never been able to find one.
>>
>>
>>
>> Anyway, I am curious which of the two Maradyne heaters you used. There
>> are some dimensional differences between the two in the link you very
>> kindly shared. The smaller one is rated at 12,000 BTU's with the slightly
>> larger one rated at 25,000 BTU's, more than double the output for a
>> modest increase in size.
>>
>>
>>
>> Hoping you might have time for a reply.
>>
>>
>>
>> Thank you.
>>
>> Sincerely,
>>
>> Randall Reihing
>> ------------------------------
>>
>> *From:* Triumphs [triumphs-bounces at autox.team.net] on behalf of Bill
>> Brewer [billbrewer59 at yahoo.com]
>> *Sent:* Monday, September 26, 2016 12:09 AM
>> *To:* 'David Friedlander'
>> *Cc:* triumphs at autox.team.net
>> *Subject:* [TR] Was Smiths Heater Core Rebuilding/Now Maradyne Heaters
>>
>>       Maradynes are aftermarket heaters designed for farm tractors or
>> maybe a pickup truck. They almost slide straight in to where the original
>> TR3 heater was.
>>
>>      To make the Maradyne fit the TR3 better you need to disassemble it
>> and reverse the heater core so the intake/exhaust is on the front of the
>> heater and not the back. This way you can mount it flush against the
>> battery box. I also cut out a notch to better clear the TR3 choke cable.
>> Make the notch a lot bigger than you think it should be to avoid the choke
>> cable having to bend. I used copper plumbing fittings from Lowes to reduce
>> the fittings down to 3/8” rigid copper pipe which has a 0.5” OD to fit the
>> TR3 heater hoses.
>>
>>      I have seen Maradynes mounted to the trans tunnel, but I don’t like
>> the look.
>>
>>      I mounted my Maradyne to the back of the battery box using #10 SS
>> sheet metal screws. I held it in place using double-sided tape while I was
>> drilling the holes. I lined the bottom of the Maradyne even with the bottom
>> of the battery box. You can barely see it under the dash. You can paint or
>> upholster the heater to match your interior.
>>
>>      The Maradyne seems to put out about 2 or 3 times as much heat as the
>> original TR3 heater. Even with smooth defroster hoses I barely can get an
>> ants fart to come out the defroster vents.
>>
>>
>>
>>             https://www.amazon.com/Maradyne-H-803012-Phoenix-Floor-
>> Heater/dp/B00DZEZ0KS/ref=pd_lpo_263_tr_t_3?ie=UTF8&psc=1&
>> refRID=JT51F1QH1ANE406VY6DQ
>>
>>
>>
>>      They have two sizes of heaters. I would try to put in the bigger one
>> (25,000 BTU) if possible.
>>
>>      Good luck!
>>
>>
>>
>>      -Bill Brewer
>>
>>
>>
>> *From:* David Friedlander [mailto:forzion7 at gmail.com <forzion7 at gmail.com>]
>>
>> *Sent:* Sunday, September 25, 2016 6:36 PM
>> *To:* Bill Brewer
>> *Subject:* Re: [TR] Smiths Heater Core Rebuilding
>>
>>
>>
>> Bill;
>>
>> Don't know the answer to your question but where does one get a Maradyne
>> heater for their TR3? Do you know a part number? I've had my radiator
>> cleaned and rebuilt but the heater core is in rough shape....
>>
>> Thanks!!
>>
>> Dave Friedlander
>>
>> '59 TR3A
>>
>>
>>
>> On Sun, Sep 25, 2016 at 5:06 PM, Bill Brewer <billbrewer59 at yahoo.com>
>> wrote:
>>
>>      The heater core in my Triumph Renown is leaking. Does anyone know of
>> a rebuilder for TR3-type Smiths heaters? I would go with a Maradyne heater
>> like I have in my TR3, but it is very visible in the Renown and wouldn’t
>> look right.
>>
>>      TIA,
>>
>>
>>
>>      Bill Brewer
>>
>>
>>
>> ** triumphs at autox.team.net **
>>
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>>
>>
>>
>>
>>
>>
>> ** triumphs at autox.team.net **
>>
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>>
>>
>
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