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Message-ID: <2e24f88d0702210626m76165b57m216b6919e91d5f9@mail.gmail.com>
Date: Wed, 21 Feb 2007 07:26:27 -0700
From: "Hans Conser" <hansconser@gmail.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: Cowling and engine installation RV 7A
In-Reply-To: <list-1852267@logan.com>
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References: <list-1852267@logan.com>

Here are some strobes that will go fast enough, not the $10 DJ model:

http://www.mltest.com/PDF/R606_Eng_priced.pdf

On 2/20/07, al p wick <alwick@juno.com> wrote:
>
>
> Hey Dennis.
> Sorry for not getting back to you. I work at science museum on Tuesdays
> (today) and waited to get model number from strobe I use there. It has
> adjustment from 0 to 8k flashes per minute. Highly flexible. But we
> obviously bought it from some low volume supplier...."Way Cool Products". I
> couldn't find it on the web.
> Here is link to good price.
>  http://www.eliminatorlightingdirect.com/Mini_Strobe_Light_Eliminator_Lighting_p/e-105.htm
> Not sure of flashes per second, I was looking for 40 to 50 but nothing out
> there. Should work fine though if it's 20 fps, as we want to use it at 1/4
> or 1/2 the engine rpm. That allows you to see the movement. If you operate
> strobe at engine rpm, then you don't see anything.
>
> This is important safety concept that's normally invisible to us. Glad you
> are pursuing.
>
>
> -al wick
> Cozy IV powered by Turbo Subaru 3.0R with variable valve lift and cam
> timing.
> Artificial intelligence in cockpit, N9032U 240+ hours from Portland, Oregon
> Glass panel design, Subaru install, Prop construct, Risk assessment info:
> http://www.maddyhome.com/canardpages/pages/alwick/index.html
>
>
>
> On Sun, 18 Feb 2007 12:01:58 -0600 Dennis Haverlah
> <clouduster@austin.rr.com> writes:
>
>
> To answer some questions on the fuel plumbing at the fuel regulator -
>
> The fuel system feeds from the left tank using 3/8 al. tubing into parallel
> high pressure fuel pumps each with it's own outlet side GM filter.  The
> pumps and filters are mounted on the floor between the rudder pedals (RV
> -7A).  Output from the pumps and filters goes to the firewall using 3/8 al.
> tubing.  From there 3/8 SS. Airquip hose feeds the primary fuel rail.  Out
> of the fuel rail a 3/8 al. pipe connects the lower primary fuel rail to the
> upper secondary injector fuel rail.  (Based on comments I will install an
> Adle clamp on this tube.)  A 3/8 SS. Airquip hose connects from the
> secondary injector fuel rail to the inlet of the pressure regulator.  The
> regulator return line exits the bottom of the regulator and returns fuel
> via. 1/4 al. tubing to the left tank by being tee'd into the fuel line from
> the right tank.   The right tank fuel is pumped to the left tank - copied
> from Tracy.   The regulator is also plumbed with a small-orifice bypass al.
> tube tee'd into the fuel return line.  This line exits left side of the
> regulator.  This bypass orifice was installed to quickly get rid on any air
> or vapor lock in the system.
>
> I will check into replacing the 1/4 al. tubes at the regulator and from it
> to the firewall with SS Airquip hose.  If this can't be done on some of the
> short hose I'll add dampening or additional support. I believe I have enough
> hose and fittings left over to accomplish this!!
>
> Did Al Wick or someone else have an inexpensive source for a variable
> frequency strobe?  I may be able to borrow one but don't know if it is still
> available.
>
> I want to THANK EVERYONE for the review and all the comments.   I hope to
> assemble the A/C and have it in the air within 90 days.
>
> Dennis H.
>
> Rich wrote:
>
> I see your rubber engine mount in the second photo.  I appear to be getting
> some engine vibration through my rubber mounts which are much thinner than
> yours.  What mount are you using?
>
> Answer:  Fred at Conversion Concepts built the motor mount and supplied the
> rubber motor mounts.  They appear to isolate the engine vibration real well.
> It appears we need a new source for motor mounts!!
>
>
>
>
> -al wick
> Cozy IV powered by Turbo Subaru 3.0R with variable valve lift and cam
> timing.
> Artificial intelligence in cockpit, N9032U 240+ hours from Portland, Oregon
> Glass panel design, Subaru install, Prop construct, Risk assessment info:
> http://www.maddyhome.com/canardpages/pages/alwick/index.html
>