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Search: Posts Made By: Dave_Boxall
Forum: RV General Discussion/News 11-21-2017, 11:52 PM
Replies: 16
Views: 2,460
Posted By Dave_Boxall
The MBU-12 is designed for a demand oxygen...

The MBU-12 is designed for a demand oxygen system (like a scuba mask), not a constant flow system as most GA aircraft use. Demand systems use a LOT of oxygen, up to 25 litres/ minute compared to 2-4...
Forum: Electrical Systems 04-24-2017, 11:10 PM
Replies: 29
Views: 4,327
Posted By Dave_Boxall
Perihelion Design make a device to absorb the...

Perihelion Design make a device to absorb the energy from an alternator load dump. A "Whackjack". Cost Is $29.50
http://http://www.periheliondesign.com/whackjack18.htm...
Forum: RV General Discussion/News 02-09-2017, 10:57 AM
Replies: 13
Views: 4,018
Posted By Dave_Boxall
Our hangar doors are two 5m wide (16ft) roller...

Our hangar doors are two 5m wide (16ft) roller shutter doors with a sliding central pillar. Very economical and works pretty well.

Example here....
Forum: RV-12 01-06-2017, 03:26 PM
Replies: 25
Views: 7,260
Posted By Dave_Boxall
I'm a big fan of acrylic adhesive. It dries...

I'm a big fan of acrylic adhesive. It dries slightly flexible so doesn't tend to crack.
Forum: Trip Write-ups 09-20-2016, 11:21 PM
Replies: 7
Views: 2,981
Posted By Dave_Boxall
What engine is fitted to D-EKPM. That doesn't...

What engine is fitted to D-EKPM. That doesn't look like a Lycoming cowl...
Forum: RV-9/9A 07-03-2016, 05:31 PM
Replies: 19
Views: 2,158
Posted By Dave_Boxall
I fitted the 4-point harness to my 9 originally. ...

I fitted the 4-point harness to my 9 originally. After hitting some turbulence and banging my head on the canopy I replaced them with the 5-point harnesses. Much more secure.
Forum: RV-8/8A 04-26-2016, 11:14 PM
Replies: 27
Views: 10,197
Posted By Dave_Boxall
Smile Hey Scott, If Vans ever start supporting the...

Hey Scott,
If Vans ever start supporting the Rotec I'll be building another RV!

(I think once is enough for a home-Brewed engine installation).
Forum: RV General Discussion/News 04-04-2016, 05:46 AM
Replies: 10
Views: 2,785
Posted By Dave_Boxall
I've used some some other unsupported tapes at...

I've used some some other unsupported tapes at work. try peeling the tape off the reel by taking the free end right back on itself so the tape does a 180 as it leaves the reel. you might get a...
Forum: RV General Discussion/News 09-22-2015, 12:38 PM
Replies: 66
Views: 12,921
Posted By Dave_Boxall
If there is a suitable transceiver it shouldn't...

If there is a suitable transceiver it shouldn't be too hard to substitute.
Forum: RV General Discussion/News 09-22-2015, 05:15 AM
Replies: 66
Views: 12,921
Posted By Dave_Boxall
These guys (http://www.pilotaware.com//) in the...

These guys (http://www.pilotaware.com//) in the UK are producing an ADSB receiver to give traffic information to 3rd party devices (running software like SkyDemon and Runway HD) at a pretty low...
Forum: RV-14 09-14-2015, 10:12 AM
Replies: 26
Views: 8,781
Posted By Dave_Boxall
We fitted a 500 x 5 nose wheel to our 9A and had...

We fitted a 500 x 5 nose wheel to our 9A and had the same problem. We did find a tyre with a short stem (made for gliders) but it was very expensive.

In the end we drilled a hole for the valve...
Forum: RV General Discussion/News 06-23-2014, 09:56 AM
Replies: 8
Views: 1,046
Posted By Dave_Boxall
There was a spitfire displaying over Torquay (a...

There was a spitfire displaying over Torquay (a bit south of Dawlish) as we flew home on Saturday afternoon . After completing that display it transited along the cost between 500 ft & 1000 ft to do...
Forum: RV General Discussion/News 06-23-2014, 05:38 AM
Replies: 8
Views: 1,046
Posted By Dave_Boxall
Dawlish RV flyover

I flew down the airstrip at Salcombe (Bolt Head) on Saturday at lunchtime. I was in a red & white -9A with a Wilksch diesel engine & was a bit more inland, so I doubt it was mine you saw and heard. ...
Forum: RV-9/9A 03-22-2014, 12:58 AM
Replies: 51
Views: 10,595
Posted By Dave_Boxall
I had 4-point harnesses in my 9A. I replaced them...

I had 4-point harnesses in my 9A. I replaced them with 5-points after banging my head in the canopy in turbulence.
Forum: RV General Discussion/News 12-11-2013, 09:37 AM
Replies: 6
Views: 1,415
Posted By Dave_Boxall
I connected my cigarette lighter socket to my...

I connected my cigarette lighter socket to my "always live" bus so that it's always connected to the battery. I put a matching plug on my battery conditioner & plug it in there.

Dave
Forum: RV General Discussion/News 06-04-2013, 11:15 PM
Replies: 31
Views: 10,272
Posted By Dave_Boxall
I admire the nerve of a guy who owns an aeroplane...

I admire the nerve of a guy who owns an aeroplane & describes his wife as expensive. I guess she's not a regular reader of these forums...
Forum: RV-9/9A 06-03-2013, 02:56 PM
Replies: 2
Views: 1,185
Posted By Dave_Boxall
These ones...

These ones (http://vansaircraft.com/cgi-bin/store.cgi?ident=1370292803-356-618&browse=am&product=brake-pads)
Forum: RV General Discussion/News 05-13-2013, 06:04 AM
Replies: 7
Views: 1,824
Posted By Dave_Boxall
Despicablimp.

Try here

http://www.despicablimp.com/

Dave
Forum: Alternative Engines 05-10-2013, 12:29 PM
Replies: 92
Views: 22,792
Posted By Dave_Boxall
Both the WAM & the Deltahawk have indirect...

Both the WAM & the Deltahawk have indirect mechanical injection for simplicity & easier certification. Direct injection especially with electronic control would probably improve the SFCs of the...
Forum: Alternative Engines 04-28-2013, 02:11 PM
Replies: 17
Views: 9,009
Posted By Dave_Boxall
WAM-120

Wilksch have around 20 of their direct-drive 2-strokes flying now. At least 7 of them in RV-9s.

Dave.
Forum: RV-12 04-17-2013, 11:45 PM
Replies: 8
Views: 1,434
Posted By Dave_Boxall
I'll be there on Saturday. PM sent. Dave

I'll be there on Saturday. PM sent.

Dave
Forum: RV-12 04-16-2013, 11:54 PM
Replies: 8
Views: 1,434
Posted By Dave_Boxall
Aero Expo Sywell

I'll be there, weather permitting, in my diesel 9A.
Forum: RV General Discussion/News 04-16-2013, 11:47 PM
Replies: 20
Views: 3,974
Posted By Dave_Boxall
Dynon AOA

I have the Dynon AOA & no stall warner. The audio output on the Dynon changes to solid tone a few knots above the stall, so it is a stall warner also. Additionally it sounds through the intercom so...
Forum: RV-9/9A 10-01-2012, 10:56 PM
Replies: 5
Views: 3,607
Posted By Dave_Boxall
Here's a photo

Here's a photo of the results. I'm on holiday & it's all I have access to at the moment.

I hope this...
Forum: RV General Discussion/News 09-23-2012, 12:57 AM
Replies: 7
Views: 1,902
Posted By Dave_Boxall
Not enough pressure

I don't think that here's enough pitot pressure to get the fuel to the engine. Stagnation pressure at 60 knots Is about 2 inches water gauge, so at 120 knots it'd be 8 inches, or enough to lift a...
Forum: RV-9/9A 09-15-2012, 12:32 AM
Replies: 16
Views: 3,107
Posted By Dave_Boxall
Six years, day VFR panel and an alternative...

Six years, day VFR panel and an alternative engine (Wilksch WAM-120 diesel).

I think the alt engine added over a year - as soon as you go "off plan" the hours add up - especially if you build a...
Forum: RV General Discussion/News 09-06-2012, 01:57 PM
Replies: 13
Views: 2,549
Posted By Dave_Boxall
Mine is there too.

Mine is there too.
Forum: International 08-11-2012, 11:33 PM
Replies: 4
Views: 1,127
Posted By Dave_Boxall
I have a 9A near Bath & would be happy to chat...

I have a 9A near Bath & would be happy to chat about it. It wouldn't take long or get up to somewhere around Bicester / Oxford on a nice day.

Dave
Forum: RV General Discussion/News 06-28-2012, 11:43 PM
Replies: 11
Views: 2,106
Posted By Dave_Boxall
Superglue

I used a dab of superglue (Cyanoacrylate) on each end. Works so far.

Dave
Forum: RV-9/9A 06-18-2012, 11:45 PM
Replies: 6
Views: 1,832
Posted By Dave_Boxall
Easy, fly for 100 hours. It all loosens up...

Easy, fly for 100 hours. It all loosens up nicely!

Also try a little light oil or ACF 50 on the pins.

Dave
Forum: RV General Discussion/News 06-18-2012, 05:42 AM
Replies: 7
Views: 1,509
Posted By Dave_Boxall
1/8" rivet

Would a full head 1/8" rivet cover the damage? if so you could enlarge teh hole to 1/8", enlarge the dimple and fit an 1/8" rivet in there.

Dave
Forum: Glass Cockpit 05-21-2012, 11:35 PM
Replies: 4
Views: 985
Posted By Dave_Boxall
And it self powers if you have the internal...

And it self powers if you have the internal battery, so no need for the keep alive at all.
Forum: RV General Discussion/News 05-20-2012, 01:32 PM
Replies: 11
Views: 2,662
Posted By Dave_Boxall
Car mats

I use rubber car mats. The ones for the rear seat footwells are square. I got mine from Poundland (everything costs 1 UK Pound - and they came in a pack of two).

Dave
Forum: RV General Discussion/News 03-26-2012, 04:47 AM
Replies: 83
Views: 20,604
Posted By Dave_Boxall
I had some prescription sunglasses made with a...

I had some prescription sunglasses made with a graduated tint - the lenses are dark at the top - light at the bottom. It darkens the view out of the cockpit, but I can still the GPS, EFIS & map etc...
Forum: Alternative Engines 02-20-2012, 01:26 PM
Replies: 51
Views: 28,784
Posted By Dave_Boxall
They'd be waiting a long time if nobody was...

They'd be waiting a long time if nobody was prepared to go first...
Forum: Alternative Engines 12-30-2011, 09:04 AM
Replies: 6
Views: 2,967
Posted By Dave_Boxall
Installed weight of the Wilksch WAM-120 Diesel

The installed weight of the Wilksch WAM-120 120HP Diesel engine is 112.9 kg (248 lbs).

That weight is engine, oil cooler & hoses, coolant bottle & hose, Exhaust system, oil and coolant.

(weights...
Forum: RV General Discussion/News 11-04-2011, 05:30 AM
Replies: 5
Views: 1,405
Posted By Dave_Boxall
For the letters..

I used the 2/3 - 1/3 trick and it worked pretty well, though I used a helper to hold the 2/3 end instead of using shot bags.

For the bits in the middle of the letters & numbers - the little...
Forum: RV-8/8A 09-27-2011, 01:40 AM
Replies: 74
Views: 22,250
Posted By Dave_Boxall
Firgelli Linear Actuator

We have a cowl flap on our (Wilksch Diesel) RV. We use a Firgelli Linear Actuator firgelli.com (http://firgelli.com/index.php)

We use an L-16S with the 150:1 gearing and it is fine so far. The...
Forum: Alternative Engines 09-25-2011, 08:43 AM
Replies: 3
Views: 2,279
Posted By Dave_Boxall
Wilksch.net is back up, Wilksch.com still...

Wilksch.net is back up, Wilksch.com still forwards to it.

Dave
Forum: Alternative Engines 09-03-2011, 09:25 AM
Replies: 12
Views: 3,598
Posted By Dave_Boxall
The WAM-120 bleeds the air out down the fuel...

The WAM-120 bleeds the air out down the fuel return lines. I've not run a tank dry & attempted a restart in flight, though others have without problems. On the ground even with the fuel lines full...
Forum: RV General Discussion/News 09-01-2011, 05:41 AM
Replies: 20
Views: 4,582
Posted By Dave_Boxall
Call me cheap

I bought a 25 kg bag of sand and split it into a number of smaller plastic bags. I double bagged it & taped them up tight...

Dave
Forum: Alternative Engines 08-31-2011, 05:24 AM
Replies: 12
Views: 3,598
Posted By Dave_Boxall
Thomas I've taken a look - but I can't find the...

Thomas

I've taken a look - but I can't find the photos.

We fitted the return line through the end rib using a bulkhead fitting, one of the Vans reinforcing disks and a bit of proseal, although it...
Forum: Alternative Engines 08-01-2011, 11:13 PM
Replies: 12
Views: 3,598
Posted By Dave_Boxall
Sorry, the senders are Airworld, not Andair. You...

Sorry, the senders are Airworld, not Andair. You can order them with either an output that mimics a resistive gauge or 0-10V so I expect you can link to Skyview.

I'll take a look for pics of the...
Forum: Alternative Engines 08-01-2011, 09:19 AM
Replies: 12
Views: 3,598
Posted By Dave_Boxall
We kept the fuel filler the same size. Many...

We kept the fuel filler the same size. Many Jet-A1 nozzles are small enough to fit & for the few that aren't you can use a nozzle adaptor or a funnel.

The Wilksch engine needs a fuel return. We...
Forum: RV-12 07-17-2011, 12:59 AM
Replies: 79
Views: 19,664
Posted By Dave_Boxall
Let's remember that without the early adopters...

Let's remember that without the early adopters nothing new will come on stream. We should celebrate Jan's efforts and the risks taken by the early installers for the benefits they may bring to us...
Forum: RV-9/9A 07-12-2011, 08:38 AM
Replies: 12
Views: 2,875
Posted By Dave_Boxall
Flyboy accessories

We used bits of the Vans UHMW tape all over the place during the build, we made some thin shims from it, around the canopy secondary latch, all sorts of places. What we used on the LE of the flaps,...
Forum: RV General Discussion/News 07-09-2011, 11:46 AM
Replies: 4
Views: 1,124
Posted By Dave_Boxall
We fitted an alternative engine and the oil door...

We fitted an alternative engine and the oil door is way too far forward to reach hinge pins. We used Skybolt fasteners on the upper cowl to fuselage joint - and they've been great. We even put a...
Forum: RV General Discussion/News 03-22-2011, 12:29 AM
Replies: 50
Views: 22,026
Posted By Dave_Boxall
I have an engine master alarm and a...

I have an engine master alarm and a low/over-voltage light.

Dave
Forum: Glass Cockpit 03-07-2011, 06:59 AM
Replies: 8
Views: 1,767
Posted By Dave_Boxall
It sounds like the voltage drop across the E-bus...

It sounds like the voltage drop across the E-bus diode. I noticed a similar voltage drop on my e-bus system. Try turning your e-bus switch on to connect the e-bus direct to the main battery line...
Forum: RV-10 02-22-2011, 02:32 PM
Replies: 5
Views: 2,129
Posted By Dave_Boxall
Don't worry be happy.

No, don't worry.

Our 9A is like this...(maybe worse). We worried for several minutes, then walked around the hangar looking for a "Factory Aeroplane" with 2-piece elevators. After we'd found at a...
Forum: Alternative Engines 02-20-2011, 01:19 PM
Replies: 25
Views: 7,171
Posted By Dave_Boxall
Kurt has a Wilksch WAM-120 diesel in his RV-9A....

Kurt has a Wilksch WAM-120 diesel in his RV-9A.

Dave
Forum: RV General Discussion/News 02-07-2011, 09:41 AM
Replies: 29
Views: 3,740
Posted By Dave_Boxall
Doing anything that's not in the plans...

Doing anything that's not in the plans just burns time. Any kind of modification seems to take an age.

It was also surprising how long it took to get to go from a "finished airframe" to a flying...
Forum: RV-9/9A 12-20-2010, 09:25 AM
Replies: 7
Views: 1,485
Posted By Dave_Boxall
Sorry but you're backwards. With a long arm a...

Sorry but you're backwards. With a long arm a set linear displacement (from the vernier cable) will result in a smaller angular motion of the trim tab than with a short arm.

Dave
Forum: Glass Cockpit 12-20-2010, 02:53 AM
Replies: 4
Views: 1,178
Posted By Dave_Boxall
I've got my D-100 on the master. Seems just fine...

I've got my D-100 on the master. Seems just fine there.

Dave
Forum: Propellers 11-20-2010, 07:58 AM
Replies: 11
Views: 3,992
Posted By Dave_Boxall
MT prop

I have an MT and the prop itself is great. Where it falls down in the service. We hit a Pheasant last autumn & damaged the blades. It took MT over three months to fix the blades. It seems like 12...
Forum: RV General Discussion/News 11-05-2010, 08:58 AM
Replies: 13
Views: 4,186
Posted By Dave_Boxall
Polytunnels

Check out polytunnels. There is a company in the UK that markets to the aircraft segment. They are cheap and you can move them if you have to.

I'm sure you can find a polytunnel supplier in the US...
Forum: Alternative Engines 10-28-2010, 12:09 PM
Replies: 28
Views: 10,254
Posted By Dave_Boxall
We checked that the fuel cap seals, tank sealant...

We checked that the fuel cap seals, tank sealant & fuel hoses were compatible. No problems there. We did fit capacitance sensors in the tanks because we don't through-vent them so resistance gauges...
Forum: RV General Discussion/News 09-16-2010, 12:15 AM
Replies: 7
Views: 1,490
Posted By Dave_Boxall
Based on a 600m turf strip. Most of our local...

Based on a 600m turf strip. Most of our local jaunts end up on turf. We did fit a 500x5 nose wheel to give ourselves the best chance.

Dave
Forum: RV-9/9A 09-07-2010, 01:09 PM
Replies: 2
Views: 1,002
Posted By Dave_Boxall
Have you got a calculator?

Ken

I have the numbers you want - but only in metric!

The numbers are millimeters from the bottom of the tank and litres of fuel.

I hope they help!

Dave
Forum: RV General Discussion/News 06-15-2010, 12:45 AM
Replies: 25
Views: 5,076
Posted By Dave_Boxall
9A

I got my licence while building my -9A. I had 70 hours TT when I made my first solo flight in the 9A. I had about 2 hours of Transition Training.

Dave
Forum: Alternative Engines 05-25-2010, 03:39 PM
Replies: 147
Views: 41,991
Posted By Dave_Boxall
Many gasoline engine installations include a fuel...

Many gasoline engine installations include a fuel return line. Its very common on Fuel Injected systems, and is fitted on some carburetted systems (especially ones designed for Mogas) to reduce the...
Forum: Alternative Engines 04-19-2010, 12:03 AM
Replies: 28
Views: 9,005
Posted By Dave_Boxall
WAM-120

Wilksch WAM-120 in an RV-9A.
120 kt IAS cruise at 16 litres/hour (that's about 4.2 gal/hr).
70 hours so far. I love it!

Dave
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