REFLECTOR: Epoxy question

Tue Oct 9 10:37:27 CDT 2012

Sorry about that..........

On Tue, Oct 9, 2012 at 11:07 AM, Scott Durham <bsdurham at charter.net> wrote:

>   In the post with the pictures he says one is 90, the other 45 (emphasis
> added by me) .  In the earlier post below he says he uses the 90 only for
> cosmetic items, and that it is not as strong.
>
>  *From:* Lawrence Epstein <ljepstein at hotmail.com>
> *Sent:* Tuesday, October 09, 2012 5:02 AM
> *To:* Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
> *Subject:* Re: REFLECTOR: Epoxy question
>
> The heavier tape looks like a 45 degree bias. Is the lighter one on a 45
> deg bias?
> If not, I wouldn't think it would perform the same function (structurally).
>
> Larry
>
>
> On Mon, Oct 8, 2012 at 4:22 PM, Reiff Lorenz <Reiff at lorenz.com> wrote:
>
>>  ****
>>
>> Here's a photo of the thin *90-degree* bid from Aircraft Spruce and the
>> thick *45-degree* BID from West Marine.****
>>
>> ****
>>
>> [image: Description: C:\Users\Reiff\Pictures\From RLPhone\Camera
>> roll\WP_000313.jpg]****
>>
>> ****
>>
>> ****
>>
>> ****
>>
>> *From:* reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] *On
>> Behalf Of *Reiff Lorenz
>> *Sent:* Saturday, October 06, 2012 10:08 AM
>> *To:* Velocity Aircraft Owners and Builders list
>> *Subject:* Re: REFLECTOR: Epoxy question****
>>
>> ****
>>
>> ****
>>
>> Do you have any pictures of the bid tape?****
>>
>> ****
>>
>> ****
>>
>> Ron,****
>>
>> ****
>>
>> It is: West Marine #727 (Episize Biaxial Tape, 4" x 20 yard roll.)  Here
>> is the link to the part on West Marine's site.****
>>
>> ****
>>
>>
>> http://www.westmarine.com/webapp/wcs/stores/servlet/ProductDisplay?productId=14880&catalogId=10001&langId=-1&storeId=11151&storeNum=50218&subdeptNum=50219&classNum=50226
>> ****
>>
>> ****
>>
>> (If the above link is broken, try:    http://goo.gl/iHedd   )****
>>
>> ****
>>
>> It is 50% heavier than the stock Velocity BID, so where the plans call
>> for 5 layers of (woven 8.9oz) BID, I've been using 3 (straight 15oz) plies
>> of this. It doesn't stretch or contort as much as standard BID (due to the
>> non-structural, in-line stitching that holds it together), which is great
>> when trying to place a long strip in position, but be aware that it won't
>> conform to tight corners very well.****
>>
>> ****
>>
>> West has free shipping on orders of $99 or more.****
>>
>> ****
>>
>> For cosmetic applications, I've been using the Aircraft Spruce fiberglass
>> tape. It's lighter that Velocity BID and it's laid out at 90-degrees, so
>> it's not as strong. Good for keeping seams from cracking or as a smooth
>> layer of glass on top of a structural layup.****
>>
>> ****
>>
>> http://www.aircraftspruce.com/catalog/cmpages/etapes.php****
>>
>> ****
>>
>> While you're there, get some peel-ply tape, too. So much easier than
>> trying to cut 4-inch strips from a long roll. I got this from another
>> builder and have used it almost exclusively.****
>>
>> ****
>>
>> http://www.aircraftspruce.com/catalog/cmpages/peelply.php****
>>
>> ****
>>
>> DISCLAIMER: I'm not a fiberglass expert. Most of my fiberglass work at
>> this stage consists of fairings and flanges. I have no qualms about using
>> the West fiberglass for things like holding on canard tips or making cowl
>> flanges. I'd check with Velocity HQ or an engineer, though, before I used
>> it in load-supporting applications like bulkhead reinforcements.****
>>
>> ****
>>
>> Hope this helps!****
>>
>> ****
>>
>> ****
>>
>> *Reiff Lorenz, Dayton, OH*
>>
>> Velocity XL-RG, 37% complete****
>>
>> Currently working on: Creating a large-radius wing root fairing on the
>> engine cowl.****
>>
>> ****
>>
>> ****
>>
>> *The Velocity Builders' Virtual Hangar is available 24/7 at:*
>>
>> *
>> https://liveconferencepro.com/guest/loginguest.php?id=86a48563bb517ade0abf1a7ee1f38e65
>> *****
>>
>> ****
>>
>> ****
>>
>> ****
>>
>> ****
>>
>> *From:* reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] *On
>> Behalf Of *Ron N VelocityXLFG
>> *Sent:* Thursday, October 04, 2012 12:23 PM
>> *To:* Velocity Aircraft Owners and Builders list
>> *Subject:* Re: REFLECTOR: Epoxy question****
>>
>> ****
>>
>> Do you have any pictures of the bid tape. And a part number . Sorry I can
>> not picture what you are using.
>> I would love to not have to cut bid tapes
>>
>> Ron****
>>
>> On 10/3/2012 9:54 PM, Reiff Lorenz wrote:****
>>
>> ****
>>
>> I'm now using West exclusively. I use the fast hardener and mix it in
>> small batches. Layups gel within an hour. If I hit it with a heat gun after
>> it has gelled (and the exotherm danger has passed) it is fully set and
>> sandable within a few hours. It keeps me building instead of waiting. I
>> switch to the slow hardener for larger batches or projects that I don't
>> expect to work on again in the next for 24 hours.****
>>
>> ****
>>
>> While we're talking about West products, their 4-inch 45-degree BID tape
>> saves a ton of time cutting tape strips! It's 50% heavier than the 8.9
>> ounce BID that the kit calls for and its fibers are not woven ( they're
>> held in place with a non-structural thread, like triax), so they are
>> supposedly even stronger than woven BID. Anyone else using this?****
>>
>> ****
>>
>> ****
>>
>> *Reiff Lorenz, Dayton, OH*****
>>
>> Velocity XL-RG, 37% complete****
>>
>> Currently working on: Fitting cowl to wings.****
>>
>> ****
>>
>> ****
>>
>> *The Velocity Builders' Virtual Hangar is available 24/7 at:*****
>>
>> *
>> https://liveconferencepro.com/guest/loginguest.php?id=86a48563bb517ade0abf1a7ee1f38e65
>> *
>>
>> ****
>>
>> ****
>>
>> ****
>>
>> ****
>>
>> ****
>>
>> ****
>>
>> *From:* reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org<reflector-bounces at tvbf.org>]
>> *On Behalf Of *Lou Stedman
>> *Sent:* Wednesday, October 03, 2012 6:04 PM
>> *To:* Canard Aviators; Velocity Reflector
>> *Subject:* REFLECTOR: Epoxy question****
>>
>> ****
>>
>> I got a lot of different answers to my question about epoxy from
>> everyone. They were much appreciated. Today I called Velocity and asked
>> them. They told me that I used the wrong hardener, which you all told me.
>> They said that I could use the West as long as I used the slower hardener.
>> In my case it is the 206. He did say that the 209 would be better but if I
>> mixed more micros, they would take away some of the heat. He also suggested
>> that instead of trying to fill the entire void which was created, that I
>> epoxy in close cell foam to fill the original area. He told me to let it
>> dry using the 206 and the next day I can cut a slot just a bit larger the
>> the horn and epoxy it into place. The last thing he suggested was to put
>> one layer of bid over the repaired area, sand , and paint. ****
>>
>> ****
>>
>> So today I followed his instructions and had no problem. Tomorrow I will
>> cut my slot and epoxy in the control horn. So not others know the “right”
>> way to do this repair. Thanks again for all of your comments. It helped a
>> lot.****
>>
>> ****
>>
>> Lou Stedman
>> Velocity SEFG
>> N7044Q
>> Olean, NY****
>>
>>
>>
>> ****
>>
>> _______________________________________________****
>>
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>> ****
>>
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>
>
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