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Permalink Reply by Loren Warner on November 29, 2017 at 8:48am

I tested two other products and found they both adhere to the rubber and plexiglas very well.  These are

- 3M 847 Nitrile High Performance Rubber and Gasket Adhesive

- 3M 1300 Neoprene High Performance Rubber and Gasket Adhesive

We have decided to use the 3M 1300 as it appears to have better outdoor environmental qualities.  I purchased both of these products locally at Aviall.  These products are HAZMAT and have a relatively short shelf life; mine expire in 12 months.  Each 5 fl oz tube cost around $17 here in Anchorage, but well worth it to me if the corner windshield trim stays put.

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Permalink Reply by Phil Smith on November 29, 2017 at 11:22am

Another idea,

Went to my local auto windshield / glass replacement dealer.  Explained what I was trying to do - put in windshield on the CH 701 - he gave me several pieces of sample sizes to try.  The best explanation is that it is a "rubber" material with a cross section that has a sealing lip and then a small groove that has it's own sealant. Pushed the windshield into the groove, sealed the lip to the plane with grey  caulk and haven't had any problems in 240 hours.

I think that I might have put this up before in a blog.

Still grinning!!!!

Phil Smith

CH 70wonderful

Buhl, ID

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Permalink Reply by Loren Warner on November 29, 2017 at 12:12pm

Thanks Phil.  I'll search for your info.  

Not sure how similar the lower windshield corner trims are between a 701 and 750, but to get the lower windshield trim to lay flush against the fuselage, we decided to remove the inner wall of the groove, and use a fastener to pull it in even more.  Several people I have spoken with share being frustrated that the trim typically falls away from the sides.  Our search has been to find an adhesive that will not allow this to happen.  When all done, we'll post pictures of how we did it.

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Permalink Reply by Loren Warner on November 30, 2017 at 10:09pm

Looks promising.  Thanks for sharing.

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Permalink Reply by Loren Warner on December 1, 2017 at 8:09pm

I tested the DAP Weldwood recommended by Kenneth, and found after around 5 hours it was holding as well as 3M 847 and 3M 1300 did when set overnight. Like the 3M products, the DAP is also rated for -40 to +180 degrees. When comparing all other differences, the DAP seems to provide the benefits of both 3M products, but more readily available and much cheaper. Longer set time of all products may show different results, but for me the 3M 1300 and DAP Weldwood are looking most favorable.

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