Today's Message Index:
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1. 12:25 AM - Re: Another aileron mass balance question (Lance Sandford)
2. 03:31 AM - Re: Another aileron mass balance question (Graham Singleton)
3. 03:26 PM - Re: stalls & spins (Mark Burton)
4. 03:34 PM - Re: Araldite 420 / Epibond 420 / Redux (Jeff B)
5. 05:03 PM - FW: fuel hose (William Daniell)
Message 1
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| Subject: | Re: Another aileron mass balance question |
Andrew
Having taken note of the amount of lead removed by other builders, I cut
1/4 from the rear face of all the weights and extended the foam arms by
the same amount.
At this stage I have my ailerons filled and primed and they will be very
close to balanced by the time I put on the shiny stuff.
Lance Sandford in OZ
>
>
> The manual does not say anything about lateral balancing of the
> aileron. I am guessing that I should attempt to make the inboard and
> outboard weights roughly equal. But I was not entirely sure about this.
>
> Since aerodynamic flutter is not something I want to fooling around
> with, I want to make sure I understand this correctly.
>
> Thank you for any input!
>
>
> Andrew Sarangan
> http://www.sarangan.org
>
>
>
Message 2
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| Subject: | Re: Another aileron mass balance question |
Andrew
It's a good question. Unfortunately I don't know the answer. Rutan had
us add a limited amount of any extra weight to the outboard end of the
elevator only (Long EZ) but didn't explain why.
Must be something to do with the torsioanl resonance. I once bonked the
stick (in roll) on my glider at around 90 kts, one wing bent up and the
other one down. The resulting oscillation was weird, the fuselage rolled
each way 2 or 3 times (damped) but the wings stayed level.
Moral is don't assume you know what will happen.
Graham
Andrew Sarangan wrote:
>
>
> The manual does not say anything about lateral balancing of the
> aileron. I am guessing that I should attempt to make the inboard and
> outboard weights roughly equal. But I was not entirely sure about this.
>
> Since aerodynamic flutter is not something I want to fooling around
> with, I want to make sure I understand this correctly.
>
> Thank you for any input!
> Andrew Sarangan
> http://www.sarangan.org
--
Graham Singleton
Tel: +441629820187
Mob: +447739582005
Message 3
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| Subject: | Re: stalls & spins |
Folks,
Thinking back to the conversation last year on stall+spins and the recent article
in GASCO Flight Safety about cheese (you have to read the article to understand).
Some of you may be interested to know that I am now producing Mk2 SmartASS units
that not only provide the features of the MK1 units (talking ASI, and audible
speed director) but it also features an accelerometer that measures the G you
are pulling and factors that into the speed director calculation. It works very
well as an aid to preserving the "stall speed margin" as well as making flying
a stabilised approach ridiculously easy.
I must stress that the SmartASS is not a stall warning device.
The Mk2 units also feature audible undercarriage and general alerts.
As ever, technical blurb, prices, etc. can be found at www.smartavionics.com
Cheers,
Mark
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=101278#101278
Message 4
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| Subject: | Re: Araldite 420 / Epibond 420 / Redux |
For you guys who aren't "married" to Araldite, I used Aeropoxy 6228.
After 263 hours, some of it in pretty bumpy stuff, I've had zero
problems. I used it in bonding the wings and windscreens. Aeropoxy's
tech guy was very helpfull and says that the same product is used in the
construction of the Velocity. Working time is an hour and it can be
mixed with flox. Price, a mere $39 for a quart kit (two full quarts of
material - parts A & B)...
Jeff - Baby Blue
263 hours
DuaneFamly@aol.com wrote:
> I got my Araldite 420 A/B from Graco also. But the number I have is
> 817 535-3200
>
> Mike Duane A207A
> Redding, California
> XS Conventional Gear
> Jabiru 3300
> Sensenich R64Z N
> Ground Adjustable Prop
Message 5
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I see rather belatedly that the fabric co vered fuel hose is not recommended
for installation. Is this so?
If so what is recommended? What is the most durable stuff (for trigear)? I
plan to run on AVGAS.
Will
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