<font face="arial" size="3"><p style="margin:0;padding:0;font-family: arial; font-size: 12pt; word-wrap: break-word;">On Sunday, September 23, 2018 1:13pm, "David Bloom" &lt;dwskb@att.net&gt; said:</p>
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<p style="margin:0;padding:0;font-family: arial; font-size: 12pt; word-wrap: break-word;">&gt; I thought you were using plywood?&nbsp; Recall my fins vibrated into shreds due to<br />&gt; large size.&nbsp; Are you reinforcing plywood with carbon fiber or are the fins<br />&gt; fiberglass? How many layers and are you doing anything special to reduce<br />&gt; vibration?</p>
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<p style="margin:0;padding:0;font-family: arial; font-size: 12pt; word-wrap: break-word;">Oh no Bloom.. this is my all fiberglass 5.5" Black Brant:</p>
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<p style="margin:0;padding:0;font-family: arial; font-size: 12pt; word-wrap: break-word;">The fins are 3/16"&nbsp;G10.. so they're plenty tough. The problem is that the aft part of the fin is "floating" (not even physically rooted to the body tube):</p>
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<p style="margin:0;padding:0;font-family: arial; font-size: 12pt; word-wrap: break-word;">On my L3 flight last spring, it landed a little hard and cracked those rear fillets (made with microballoons.. they were too brittle).&nbsp; So now I'm:</p>
<p style="margin:0;padding:0;font-family: arial; font-size: 12pt; word-wrap: break-word;">-switching to rocket poxy fillets</p>
<p style="margin:0;padding:0;font-family: arial; font-size: 12pt; word-wrap: break-word;">-then doing a two to three layer aft-fin tip-to-tip CF over the rocketpoxy</p>
<p style="margin:0;padding:0;font-family: arial; font-size: 12pt; word-wrap: break-word;">-then doing an internal fincan fillet CF layer (up to the inside of the BT that slides on over the fincan)</p>
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<p style="margin:0;padding:0;font-family: arial; font-size: 12pt; word-wrap: break-word;">Tweeks</p>
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<p style="margin:0;padding:0;font-family: arial; font-size: 12pt; word-wrap: break-word;">&gt; --------------------------------------------<br />&gt; On Sat, 9/22/18, Thomas Tweeks Weeks &lt;tom@theweeks.org&gt; wrote:<br />&gt; <br />&gt; Subject: [NRVR-Members] Glassing - Best suppliers for peel ply?<br />&gt; To: "nrvr-members@nrvr.org" &lt;nrvr-members@nrvr.org&gt;<br />&gt; Date: Saturday, September 22, 2018, 11:44 PM<br />&gt; <br />&gt; Doing<br />&gt; a non-bagged (probably just weighted)&nbsp; fin, CF, tip to<br />&gt; tip job on my 5.5" Black Brant.. and need some<br />&gt; supplies. I'm using West Systems and a course weave CF<br />&gt; (not for looks.. it's just what I have).&nbsp;<br />&gt; <br />&gt; Also.. I would love to hear discussion on preferences of the<br />&gt; various types of peel ply.&nbsp; The nylon kind,<br />&gt; plastic/rayon/paper kinds, or the kind the red lines in<br />&gt; it..<br />&gt; &nbsp;<br />&gt; Do<br />&gt; you use bleeder cloth (for catching excess epoxy)?<br />&gt; &nbsp;<br />&gt; Tweeks<br />&gt; &nbsp;<br />&gt; &nbsp;_______________________________________________<br />&gt; NRVR-Members mailing list<br />&gt; NRVR-Members@mail.nrvr.org<br />&gt; http://server2.nrvr.org/mailman/listinfo/nrvr-members<br />&gt; -----Inline Attachment Follows-----<br />&gt; <br />&gt; <br />&gt; <br />&gt; _______________________________________________<br />&gt; NRVR-Members mailing list<br />&gt; NRVR-Members@mail.nrvr.org<br />&gt; http://server2.nrvr.org/mailman/listinfo/nrvr-members</p>
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