Wednesday, February 5, 2020

Section: engine
Hours: 4

The adel clamps arrived from Aircraft Spruce and I installed the new oil breather tubing. The new tubing replaces the 90 rubber elbow and aluminum tubing that came with the firewall forward kit. The new tubing routes around the oil filter and clamps to the firewall using the screw holes already in place for the previous tubing. I had to replace the previous adel clamps with larger ones to accommodate the new rubber tubing.

Here is the view from the bottom looking up. I used the end of the old aluminum tubing in the end of the rubber tubing. The end of the aluminum extension directs the output to the top of the exhaust which may prevent some the oil from accumulating on the belly of the fuselage?

Space in the engine compartment is limited for reaching the adel clamp screws with a screwdriver. The screws go into nut plates so a lot of force is required to screw them in. Necessity is the mother of invention and I came up with this method for driving the screws:
Socket wrench, 1/4 in socket, philips head insert- fits in the limited space available and provides enough leverage to screw into the nut plates.

Tuesday, February 4, 2020

Section: avionics
Hours: 4

I installed a dome light at the back of the luggage storage area. This light is on the map light circuit and is controlled by a dimmer on the control panel. The light is locally grounded to the airframe and the power line comes from the dimmer circuit board in the panel. I discovered I had missed riveting the center 3 rivets in canopy top brace so I tackled that first.

Then I created a support plate and attached the light with 2 screws. I also drilled a wiring hole in the fuselage bulkhead and inserted a through hole plastic insert. The support plate attaches to the canopy brace using 2 more screws with lock nuts. The light is slightly tilted forward so the light nicely illuminates the baggage area. I may build a shade to limit the LED glare to just illuminating the baggage floor.

Sunday, February 2, 2020

Section: 47
Hours: 6

I have not had any success closing the cowling since I added the rubber baffling. I could not get the upper and lower cowling halves to join. Some of my friends advised putting heavy sand bags on top of the cowl to force it closed, but I don't think that is the problem. Today I spent some time investigating what was causing the gap and discovered that the baffling on the upper side of the air inlets was getting stuck on the epoxy/flox dam build up on the upper cowl. I got out the dremel with a sanding drum and whittled back the dams.

The rubber gasket now smoothly fits inside the inlet side and it is easy to close the cowl halves! Through trial and error I have now discovered an order for attaching the cowl halves that works. First install the lower cowl. Then place the upper cowl on the fuselage. Match up the piano hinge along the top fuselage then make sure the rubber gaskets are in place around the air inlets at the front. Then press down and match up the piano hinge along the lower edge of the cowl. Push the piano hinge pins in from the front to join the lower and upper halves. Finally, insert the cowl to fuselage piano hinge pins through the oil door.

Wednesday, January 29, 2020

Section: engine
Hours: 5

I pulled the backup alternator off of the engine and then installed the new oil adapter with a new gasket and gasket seal. Here's a picture of the adapter with the vernatherm installed and the new gasket before bolting to the engine.
With the alternator removed it wasn't too bad bolting on the adaptor. Next I torqued the vernatherm to 300 in pounds (25 foot pounds). Then I installed the temperature probe. There isn't room to fit a wrench on the probe so I threaded the probe wires though a long socket and used a pipe wrench to twist the socket to tighten the probe 180 degrees from the first contact point.

Then I reinstalled the backup alternator with new lock washers. It was actually a little easier getting to the lower left nut this time. I still had to use the special low profile crow foot wrench to reach it.

There is now more room between the firewall and the back of the engine and the oil filter is easily accessible.

The oil filter just barely clears the engine mount tubing, but I think it will be workable. Much easier access than the original installation.

If you are planning to add the B&C backup alternator, I would highly recommend installing the B&C oil adapter BEFORE you install the alternator.

Tuesday, January 28, 2020

Section: avionics
Hours: 3

The epoxy hasn't cured enough on the canopy so I will let cure for another day.

I decided to wire the connector to the GMU22 today. I pulled out the mounting kit studied the wiring diagram.

The wiring harness leads in the wing already had pins attached.

All I had to do was sort out which wire goes in which connector pin position and insert it.

Section: engine
Hours: 3

I spent some time evaluating how to route the various lines around the new oil adapter. The oil breather has to be rerouted so I purchased a length of Parker push-loc 801 size 12 tubing from Summit Racing. I've tried a couple routings and I am getting close. More later...

I also pulled the vernatherm off of the Lycoming oil adapter. It must have been torqued when it was hot because it was very difficult to break free.

Monday, January 27, 2020

Section: engine
Hours: 4

It's time to re-evaluate the firewall forward layout. I've installed everything per Van's firewall forward with the addition of a B&C backup alternator. The backup alternator takes up additional space between the engine and the firewall to the point that it is now going to be very difficult to change the oil filter.
As the above photo shows, between the breather tube, oil cooler line and backup alternator the oil filter is pretty much boxed in and not easily accessible. I do plan to make regular oil changes so it will be important to be able to easily change the oil filter.

I've done some research and there are two solutions, the AirWolf remote oil filter or the B&C oil filter adapter. I installed an AirWolf on my Mooney and really liked it. It made changing the oil filter a breeze. Unfortunately, I couldn't find enough room on the RV14 firewall to easily install one so I decided to install the B&C oil filter adapter. After talking to tech support at B&C, I learned that the RV14 installation does not require any spacer plates, so I ordered just the oil filter adapter. The kit provided by B&C includes the adaptor, replacement gasket, crush ring for the temp probe, new washer for the vernatherm, new bolts and lock washers for installation and even a little dab of Locktite gasket sealer. Very complete kit.

Today I pulled the oil filter and the existing Lycoming oil filter adapter off of the engine. To reach the nuts and bolts holding on the adapter I had to first pull off the pmags. I also discovered that the oil cooler line would be in the way so I replaced the straight AN fitting with a 45 degree fitting to route the oil line around the B&C adapter. I also removed the existing oil breather tube as that will also be in the way.
I've now discovered that it will be impossible to reach the lower right bolt for installing the B&C oil adapter because the backup alternator is in the way. I really did not want to remove the alternator because the lower left nut that holds it on was just about impossible to install. But it is what it is :-(

Thursday, January 23, 2020

Section: shop
Hours: 5

We loaded up the wings and horizontal stablizer in a rented U-Haul truck and delivered them to the airport. Deb helped me load the truck. When we got to the airport several people wandered over to see the new arrival and immediately volunteered to help unload the truck. It's going to be great to be at the airport!

Monday, January 13, 2020

Section: avionics
Hours: 2

I installed the pitot/static plumbing to the ADAHRS. I had been stumped about how to install the elbows because they ran into each other while screwing them in. Then I discovered that the threaded end twists without rotating the entire elbow body. Duh! White line is static, green is pitot and blue is the AOA.

Friday, January 10, 2020

Section: shop
Hours: 4

Today I took the tail feathers out to the airport and surveyed the shop area. We have an RV6 and an RV7 in the hanger already. The RV7 was just recently completed and work tables and other "stuff" is covering the area I will be using for assembling the RV14. We will have a hanger work party this weekend to clear out junk and rearrange the work area to make room for the 14.

Wednesday, January 1, 2020

Section: wings
Hours: 4

The standard wiring harnesses are set up for AeroLed nav lights so I had to make modifications to hook up my AeroLeds. I completed rewiring the connector on the wire bundle coming from the fuselage.

Then I connected the remaining lines to the connectors at the ends of the wings.

I ran a twisted pair of black/red wire for the power going to the pitot heat regulator to mitigate interference with the magnetometer. I tied this ground to the root rib just above the other ground. Hopefully this will work- check in later after magnetometer calibration...