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1. 12:23 AM - Re: Cowling Update (teamgrumman@AOL.COM)
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| Subject: | Re: Cowling Update |
I'm glad you brought up the different throttle cable length and
location. Those things, though needing to be resolved, are doable.
Yes, I'm taking the air off the back of #3.
-----Original Message-----
From: flyv35b@minetfiber.com
Sent: Sun, 5 Nov 2006 6:52 AM
Subject: Re: TeamGrumman-List: Cowling Update
<flyv35b@minetfiber.com>
Will your initial STC include the AG5B then, provided it conforms to
the AA5B inlet and airbox design? This might raise some other issues
like the throttle cable length and location coming out of the firewall.
Does your engine induction air come off the back of cylinder #3 as it
does on the AA5B?
Cliff A&P/IA
----- Original Message ----- From: <teamgrumman@aol.com>
To: <teamgrumman-list@matronics.com>
Sent: Sunday, November 05, 2006 1:03 AM
Subject: TeamGrumman-List: Cowling Update
>
> Well, there is good news and bad news.
>
> First, the good news: The DER has finally accepted my drawings and
the > stress analysis is done. It looks like the drawings and Project
Plan and > Test Plan and PMA paperwork and hell I forget what else,
will be submitted > within a few weeks. Finally.
>
> The bad news: I was going to just include all of the planes built
under > the AA5, AA5A, AA5B, and AG5B type certificate. Then, one of
the three > DERs working on the project said, "I was reading the TCDS
(Type > Certificate Data Sheet) and it says the AA5 and AA5A have an
O320. Do you > have to change anything to make your cowling work on
these planes?" Ah, > well, (dancing as best I could) . . . . Probably.
"Then, you'll have to > do those under a different STC, but, now it''l
be easier because you > already know what to do."
>
> Bad news continued. "Question." the DER says. "You were telling us
that > the AG5B has a carbon fiber cowling. Are there any other
differences > between the AA5B and the AG5B?" Ah, well, the inlet air
induction is > different. I went on to explain how American General
screwed up the inlet > and airbox design. "So, then, it doesn't use the
same airbox as used on > an AA5B Tiger?" I told them, "No. ... BUT....
I could use the AA5B > airbox, but I'd have to get used ones or have
them made."
>
> So, unless the AG5B drivers that want my cowling can find an AA5B
airbox, > they will have to wait until I get a NEW design approved with
a carb air > inlet that can use the AG5B airboxes (2, yes, they have
two.)
>
> So, the bill to finish the project is a tad under $10,000.
>
> Any more takers on a PRE-certification sales price of $6,000?
>
> I would imagine the finished cowling will be around $8,000. I'm
going to > try and hold the price down.
>
> Gary
>
>
>
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