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08-Feb-2009
Catégorie: Engine : Firewall forward

One hour to assemble the front left side.



And then the usual dissassembling, countersinking and deburring.




Working time on this subpart
Today :  1h (Total : 26h)

Lectures (2335)
07-Feb-2009
Catégorie: Engine : Firewall forward

Another work session on the baffles. I first rivet the parts I worked on yesterday. Here is one of the parts with the doublers riveted after deburring, dimpling and some priming



I then deburr all the small parts as the production process leaves them quite rough



Then I begin working on the forward parts, with the right side. There are five parts to assemble.



On this part I have to install a grommet for the propeller regulation oil line. The engine is equipped for constant speed, but I will install a fixed pitch propeller.




Working time on this subpart
Today :  3h (Total : 25h)

Lectures (2230)
06-Feb-2009
Catégorie: Engine : Firewall forward

Next big step will be installing the engine, but two or three people will be needed for this operation? so I begin by having a look at the engine equipment.
As the engine is air-ccoled, the air must be forced through the engine and this is done by installing the baffles and their seals.
The whole parts are in the firewall kit. Ths instructions are very clear and allow to do some work with the parts on the work bench.
This begins with some cutting and deburring. The two parts in the picture will help create seven parts.



And the result after the cutting and debuuring. In the background the step by step instructions.



And this are all the parts to built the rear part of the baffles. On the left one can make out the shape of a cylinder cover.




Working time on this subpart
Today :  2h (Total : 22h)

Lectures (2229)
06-Feb-2009
Catégorie: Finishing : Landing gear

Before putting the fairings back into storage for the time being (it's too cold to work with epoxy), I finish the tyre opening on the right fairing and install another nutplate which would have been difficult to do before the lower intersctions fairings were positionned.



The small upper tabs on the gear leg fairings look a bit too flimsy for my liking. Vans suggests to epoxy a few layers of fiberglass, but I decided to sandwich a small aluminium tab that will help spread the load.




Working time on this subpart
Today :  1h (Total : 46h)

Lectures (2365)
05-Feb-2009
Catégorie: Finishing : Landing gear

In fact I first begin adjusting the left gear lower intersection fairing. After some cutting and sanding it looks OK.
I also installed the upper intersection fairing, some tweaking oto be done once the wing is installed.



Then I duplicated all the opérations for the right side. This is a picture showing the use of the small plastic tubing , the trailing edge is not aligned correctly as it is not centered between the strings.



Here the right upper intersection fairing. There is a 1/8" gap between the lower skin and the fairing, I will fill it up later in the installtion process.



As usual, once everything is complete all is disassembled again. I begun giving some parts a better finish and enlarging the lower holes for the wheels. One side is still to be done.
Here The right wheel fairing with the two halves of the lower intersection fairing to be epoxied.
All the final préparation of the parts can now be done in small working sessions.




Working time on this subpart
Today :  5h (Total : 45h)

Lectures (2440)

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