REFLECTOR:Vortex Generators on XL

[reflector@tvbf.org]

The CCI VG's are $55 for 100, which is close to 0.55$ a piece.  Not a buck
each.

Replacing them is a pain in the rear.  I saw one Velocity with 4 year old
factory VG's that were in sad shape from UV degradation.  They had been
painted but with just the same paint as the plane's topcoat, not UV
resistant like the primer.  They were literally crumbling apart.

So, I figured pay a bit more now and save alot later.  The time alone to
replace a set is worth a whole lot more than the additional $40.

I think somebody on the list made his own from aluminum 'L' angle.  That
certainly will stand up to the sun!  I beleive his cost's were pennies
apeice in COGS, but the time involved??

Scott

> Somewhere, (Ronnnie, was that you?) that had bought some of them and they
> were almost a buck apiece?  If my recollect was correct, that seems pricey
> for just a plain old injected plastic part, though the UV resistance is
> certainly valuable.  The ones I got from the factory ($0.10 ea) were the
> old
> style...at least I think they were.  Whichever ones you use, take time to
> round off the trailing corner of the sail.  No more rag snagging..time
> well
> spent.
>
> Chuck Jensen
>
> -----Original Message-----
> From: reflector-admin@tvbf.org [mailto:reflector-admin@tvbf.org]On
> Behalf Of scott@tnstaafl.net
> Sent: Tuesday, December 02, 2003 11:20 AM
> To: reflector@tvbf.org
> Subject: RE: REFLECTOR:Vortex Generators on XL
>
>
> CCI sells VG's that do not need to be painted, UV will not effect them
> like the factory ones.
>
> I bought the clear ones. I think they sell white ones too, they are a
> solid polycarbonate and virtually unbreakable.  I think you can order any
> color but there is a minimum quanity which I don't know. The color all the
> way through the VG, not painted.
>
> I couldn't see any difference in my top airspeed after installing them on
> a Standard RG.
>
> I had thought the factory was going to change over to CCI's VG's but maybe
> they have to sell all the current stock first or they changed their minds.
>
> Being unbreakable and not effected by UV makes them a winner in my book.
>
> Scott
>
>> Jack,
>>
>> Everything I do is trial and error.....though I did use the patterns
>> provided by Velocity.  They are installed on both the canard and wing
>> (and
>> both sides, naturally).  I don't remember the exact count but buy a 100
>> (they're cheap) and use the extra for replacements.  To paint them,
>> after
>> scuffing the bottom on sandpaper, I just stuck them on packing tape and
>> gave
>> a few light coats of enamel for UV protection.
>>
>> Do us a favor.  Before you install, do a few altitude stalls and see if
>> you
>> can nail a number.  After installation, repeat and see what difference,
>> if
>> any, you note.  Maybe you already have a hard number for touchdown IAS
>> that
>> you can reference---that would make a before/after comparison even
>> simpler.
>> Most seem to think it reduces touchdown by 5 to 7 kts.
>>
>> Chuck Jensen
>>
>> -----Original Message-----
>> From: reflector-admin@tvbf.org [mailto:reflector-admin@tvbf.org]On
>> Behalf Of Jack Sheehan
>> Sent: Tuesday, December 02, 2003 9:51 AM
>> To: reflector@tvbf.org
>> Subject: RE: REFLECTOR:Vortex Generators on XL
>>
>>
>> Chuck,
>> Do you have them on both the canard and the wing? Did Velocity
>> provide installation pattern or was it trial and error eyeball
>> Jack
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>
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