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TECHNICAL MOTOBRICK WRENCHING In Remembrance of Inge K. => The Motobrick Workshop => Topic started by: Sonu on May 23, 2011, 01:12:35 AM

Title: The Johnny Blanket
Post by: Sonu on May 23, 2011, 01:12:35 AM

Some like it hot.  Others think that excessive heat from the LT's engine is one of it's few limitations.  Johnny O came up with an easy, inexpensive mod which I shamelessly copied.  The basic idea is to use a reflective material below the seat & tank to (guess what ?) REFLECT the heat from the engine back down.

Here's a picture tutorial.  It really is as simple as it looks......

Start with a 24" roll of reflective roll (available at Home Depot in the US, in the building materials section)
(http://i264.photobucket.com/albums/ii175/SanjivKapoor/24inchwidereflectivemat.jpg)

Similar tape is handy but not absolutely required (electrical tape is a substitute)
(http://i264.photobucket.com/albums/ii175/SanjivKapoor/Reflectixtape.jpg)

Take off the seat, the tank, and the side panels.  Roll the material along the length of the bike, trim to size.
(http://i264.photobucket.com/albums/ii175/SanjivKapoor/Layouttheblanket.jpg)

Tank & seat back on
(http://i264.photobucket.com/albums/ii175/SanjivKapoor/Tankandseatreplaced.jpg)

Side panels back on.  Ready to go for a long ride......

To someplace like this....
(http://i264.photobucket.com/albums/ii175/SanjivKapoor/IMG_0123.jpg)

Sanjiv

Title: Re: The Johnny Blanket
Post by: WayneDW on May 23, 2011, 09:19:10 PM

Nice mountains, I wanna ride there!

Title: Re: The Johnny Blanket
Post by: johnny on May 23, 2011, 09:41:20 PM

greetings waynedw...

me too...

(http://i236.photobucket.com/albums/ff192/owrstrich/Kinkos/3a8bf221.jpg)

j o

Title: Re: The Johnny Blanket
Post by: voodooskin on July 15, 2011, 01:20:46 AM

Ha, I was _just_ there.  Great year to see Yosemite, 200% of typical snowfall = booming waterfalls.

Way too many tourists however.  Present company excepted of course.

Does the blanket here make the bike motor and electronics etc. get overhot?  That heat's not just uncomfortable for you but probably bad for all the parts under the tank that also need that heat elsewhere.  Curious what those of you who've tried this think.

Title: Re: The Johnny Blanket
Post by: mystic red on July 15, 2011, 07:09:28 PM

Quote from: voodooskin on July 15, 2011, 01:20:46 AM

Ha, I was _just_ there.  Great year to see Yosemite, 200% of typical snowfall = booming waterfalls.

Way too many tourists however.  Present company excepted of course.

Does the blanket here make the bike motor and electronics etc. get overhot?  That heat's not just uncomfortable for you but probably bad for all the parts under the tank that also need that heat elsewhere.  Curious what those of you who've tried this think.

No noticeable effect on your steed. The johnny blanket is tested and approved. If you can plug up the gaps around the stock rubbers it will be ever mo better.

Title: Re: The Johnny Blanket
Post by: Sonu on July 21, 2011, 04:48:20 PM

Quote from: voodooskin on July 15, 2011, 01:20:46 AM

Does the blanket here make the bike motor and electronics etc. get overhot?

Up & running since May 2008.  No electronics issues whatsoever.  Just keep swallowing up the miles each year.  The Johnny Blanket plus a mesh jacket allows me to ride all through the summer.  My 15+yr old Kilimanjaro is good for rest of the year.

Get your Blanket quick before Johnny patents this idea :D

Sanjiv

Title: Re: The Johnny Blanket
Post by: orforester on October 25, 2012, 10:15:35 PM

So do you keep the stock reflectors on the fuel tank when you install the Johnny blanket, or do you take them off.  Lacking a response I would assume you take them off, otherwise the tank may not fit back on.  It is a tight fit anyway. 

Title: Re: The Johnny Blanket
Post by: frankenduck on October 26, 2012, 10:53:49 AM

Leave the factory stuff on.

Title: Re: The Johnny Blanket
Post by: orforester on October 27, 2012, 12:16:40 PM

Thanks!

Title: Re: The Johnny Blanket
Post by: frankenduck on October 27, 2012, 12:38:53 PM

For my K75 Frankenbrick I used this stuff.  It's 3/16" synthetic rubber with foil. It has an adhesive back so I doubled it up adhesive side to adhesive side.

(http://classickbikes.com/ckb/99_K75F/k75f_build_pics/k75f_796_frankenblanken.jpg)

It's pretty thick so it did take some "coaxing" to get the tank back on but even with that thickness of insulation you can get the tank back on.

(http://classickbikes.com/ckb/99_K75F/k75f_build_pics/k75f_820_frankblank2.jpg)

I call it the "FrankenBlanken."  :giggles

Title: Re: The Johnny Blanket
Post by: Brad-Man on March 07, 2013, 02:33:20 PM

And where did you get the foam-filled stuff?

Title: Re: The Johnny Blanket
Post by: frankenduck on March 07, 2013, 04:54:48 PM

Quote from: Brad-Man on March 07, 2013, 02:33:20 PM

And where did you get the foam-filled stuff?

Found it on Fleabay.

Title: Re: The Johnny Blanket
Post by: Sonu on March 14, 2013, 06:10:39 PM

Quote from: Brad-Man on March 07, 2013, 02:33:20 PM

And where did you get the foam-filled stuff?

Brad-man,

Source is listed in the original posting.  Here it is again....
"Start with a 24" roll of reflective roll (available at Home Depot in the US, in the building materials section)"

My original blanket is going.. 

-s-

Title: Re: The Johnny Blanket
Post by: Brad-Man on March 14, 2013, 08:36:24 PM

Thanks for the info Duck.

HD has something that probably wouldn't be as tough to get the tank back in place - mini plastic bubbles between foil - pretty thin.

I've used that on my garage door, then used the Owens Corning garage door insulation kit over that to minimise heat and cold conduction in my garage.

The foam-filled stuff I would have another use for.

I'll look for that on Fleabay....