Defrost/windshield fogging issues

[res0wc18]

Well after three years took out my 68 in the first winter storm.

I have the fuel fired heater inside and it's toasty but the defrost is simply routed up a hose near the windshield but there is not a plenum or duct to force it to blow on the windshield to actually defrost etc.

Was there ever a duct plenum in these?

If not the only other thing I can think of would be a fan like in a school bus?

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[dmetalmiki]

That looks like a fun day out. We USED to get that "white stuff" fall from the sky...So..Many years ago!.
The ones used in Korea had full heaters and de misters as I recall. But it should be easy to *fabricate some ducting. Which I believe (tubing) *ran along the top of the dash close to the glass. With slots.

 

[res0wc18]

Well we have a few options here gentlemen.<br />
<br />
I found these from maradyne.<br />
http://maradynemobile.com/product/2454-1/<br />
<br />
There is also the option of some one who has the proper M715 defrost nozzles to take good pictures and measures for me to reproduce them on my 3D printer, or someone could loan me a set and I could reverse engineer them and 3D print some replicas for all to try at cost. I would be willing to absorb the engineering R&D cost if someone could provide them.<br />
<br />
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[res0wc18]

Got a hold of VPW. All gone. Gonna call every surplus place I can think of.<br />
<br />
After talking to mike at VPW he said that if he had a pair to loan to me to recreate and 3D print he would in a heartbeat.<br />
<br />
So looks like I need to find a set to reverse engineer, or the photo and pictures method.<br />
<br />
It sounds like it would be good to have 10 sets or so of these on hand to be able to sell to fellow owners.<br />
<br />
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[bert2368]

Electric defrosters???

I wanted to just go quick & dirty, find a 24 Volt electric auxilary defroster for our M35A2, which has no heater (it is only -4F this morning, it will be -19F here tomorow night...).

As much fun as it would be to go and scrounge scrap yards, wrench on fuel lines, be totally authentic- I need to just use the truck safely, and it fogs up as soon as I stick my head in the cab.

Any recomendations? Cheap-O chinese ones on eBay/Amazon, or anything better, more durable (safer!) that is easily available???

Here is an example of el cheap-O-Chinese, about 200 W?

https://www.amazon.com/TargetEvo-Po...coding=UTF8&psc=1&refRID=R3C6VJY1GAEMFP7BFYT3

 

[CMPPhil]

Love seeing people enjoy their MVs in the snow

Hi

Great to see M715 being enjoyed in the snow. Wonder if the big grin on the driver help cause windshield fogging?

None of my three MVS evan have heaters so I've been using RainX inside and out for years with good results. But then again almost never drive with the side curtians so there is lots of air flow.

Cheers Phil

 

[m715]

I have been down this path before.I could not find the m715 or m725 defroster. I found a old shop vac and modified it. I have a m715 defroster in my shop somewhere I can try to find it and post a pic if it will help you.

 

[res0wc18]

I'm working on sourcing some OEM defrost ducts to move forward with prototype 3D printed units.

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[country]

We have 24 volt NOS fans for sale

Dave
www.easternsurplus.net


ALL-5178 | Maradyne 24-Volt Dashboard Fan
Maradyne 24-Volt Dashboard Fan for M35, M54, M809, M939, M998, M911, M915, M920 Series Trucks and Variants
NSN #: 4140-01-303-8271
Part #: 3301-24V
$30.00

 

[bert2368]

Need a windshield defroster...

Because... Well, just look.

 

[res0wc18]

All

The source I had for OEM defrost nozzles has backed out of sending me one so I csn reverse engineer them....

Unless one of you can supply me one I will not be able to go forward with this.

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[m715]

Try the m715 zone, has lots of good people with info. someone will have them.