> > Has anyone, or IS anyone building these type mounts for an RV-7?
(Not
an
> "A")?
> I'm trying to not re-invent all the wheels, just finish before I
can't
fly
> anymore.
> Thomas Phy
>
> Nothing flying yet. Doc is building a 9.
> I also think the fire wall hard points are all pretty much the
> same from A to non A.
>
> I think the RV7, 8, and 9, are all pretty much similar firewall
forward.
> I have stuff for the 8 and 9. Minor variations.
>
> Does this look familiar?
>
> Paul Lamar ...No rotor no motor.
I am building an RV9-A. Presently working on the fuselage - fitting the
wings. Also working on 13B engine parts.
The RV6s, 7s and 9s all share the same firewall, including the A models
(I
think, as I have not seen the plans for a tail wheel aircraft). My 9-A
firewall has a part number indicating it is for a 6 model. Many of the
parts
for the 9-A have 6 and 7 part numbers.
The 9 and 9-A have very different engine mounts. The 9s have the gear
legs
positioned aft of the firewall, I think - not sure; I looked at a 7
tail
wheel aircraft that flew in at Copperstate, but the pix didn't turn
out.
(As
a result I bought a Panasonic FZ-50.) The 9-As have the main gear leg
supports attached to the firewall. The 9-As have that spider web of
tubing
forward of the firewall to support the nose gear strut. And of course
the
9s
have no provision for a nose wheel. My guess is that the 9s and 7s
share a
good deal of design and parts, both tail wheel and nose wheel models.
I am in the process of building a jig to make 13B engine mounts that
will
fit the A model 6s, 7s, and 9s.
My long term goal is to provide a firewall forward package for the
RV6-A,
7-A and 9-A aircraft. I would like to include the tail wheel versions,
but
have no source of information. If you could provide that information,
we
could collaborate.
Thomas, if you would like to collaborate with Paul and me, I would be
willing to modify the jig and build an engine mount to Paul's design,
should
he be willing to do that.
As part of the program, I intend to offer a cowling per Paul's design.
Let
me know what you decide.
Doc Custer
Retired Software Engineer and sometime Audiologist
Sure Doc. We need a good firewall forward package.
Hey how about a retractable nose gear if we mount it on
the Schertz beam? :) There is an outfit here in SZP making
replacement Questair nose struts NC milled out of billet.
Paul Lamar
The main landing gear for the -7, fits into sockets built into the
engine
mount.
I think I remember what the cowling looked like, similar to a turbine
cowling?
That's the look I was hoping for. If you build them, I'll buy it!
Again, I'm not trying to re-invent too many wheels, and a firewall
forward
package would speed things up quite a bit.
Thomas Phy
Thomas, I can build the s-beam/rear beam engine mount for any
aircraft (with Paul's drawings it needs to be added.) Jerry
Paul, Doc, and Thomas
Just a cautionary note on an engine mount for an RV-9. My recollection of
when Van's first talked about building a -9, either in the RVator or other
source, the indication was that it would require a different engine mount
and gear legs because of the different main gear wheel placements with the
9/9A wing. Although my RV-9A uses an RV-6A nose gear leg, both the main gear
mounts ( because of the different spar ), and the gear legs themselves are
specific to the RV-9A. My aircraft would also use an RV-6A engine mount
were I not installing a 13B rotary. Doc, I suspect that your RV-9 drawings
call out a specific RV-9 engine mount P/N and specific RV-9 main gear leg
P/N's as well. My guess would be that the gear leg sockets are set at a
somewhat different angle that those for an RV-6 or -7.
Dean Van Winkle
RV-9A Fus/Finish/FWF "89 13B, RD-1B, EC2, EM2, Mistral Intake
Manifold, James Rotary Cowl
I just took some pictures of the RV9A main gear sockets.
I think they can be rotated for a tail dragger and use the
same gear legs.
Paul Lamar ...No rotor no motor.
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