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Search: Posts Made By: chris mitchell
Forum: RV-8/8A 07-09-2018, 03:37 AM
Replies: 6
Views: 520
Posted By chris mitchell
Now that's a challenge. Its not easy just to...

Now that's a challenge. Its not easy just to drill through from below, tempting tho it might seem. THere are two sets of things to align - the holes in the angle, and the location of the angle...
Forum: RV-4 06-20-2018, 05:49 AM
Replies: 5
Views: 1,065
Posted By chris mitchell
Clint is very helpful...

So the offending pipe is now with Clint for modification. Very easy to contact, very helpful about what needed to be done.

Since this problem seems to be fairly common and Clint knows about it, I...
Forum: RV-4 05-21-2018, 04:22 PM
Replies: 5
Views: 1,065
Posted By chris mitchell
Problem with exhaust fitting

Im not sure if this section is the bes one or engines. ANyway - I received my 4-pipe Vetterman exhaust via Van's. I am fitting the pipes to a Lycoming IO-320 that has a Superior cold air sump and...
Forum: Traditional Aircraft Engines 04-24-2018, 01:12 AM
Replies: 1
Views: 514
Posted By chris mitchell
And here’s the answer from those nice folk at...

And here’s the answer from those nice folk at Superior. The plug in particular is aLOT cheaper than the ludicrously priced equivalent from Lycoming!

P/N 69335 has been superseded by LW-12545. The...
Forum: Traditional Aircraft Engines 04-23-2018, 12:06 PM
Replies: 1
Views: 514
Posted By chris mitchell
Suction oil screen and plug, semi-inverted system.

After a lot of messing about and thought I have decided against installing the full Raven inverted oil system, in favour of the half system. Its a combination of weight, complexity and cost, plus a...
Forum: Reviews 04-18-2018, 03:28 PM
Replies: 2
Views: 520
Posted By chris mitchell
Another vote for Bill at Upnorth. ...

Another vote for Bill at Upnorth. Excellent.

Chris
Forum: RV General Discussion/News 03-21-2018, 05:47 AM
Replies: 26
Views: 4,515
Posted By chris mitchell
Setrab proline oil coolers - burst pressure and size

I was planning on using a Setrab Proline 115mm matrix 10 row for my RV-4 with an injected IO-320. Probably baffle mount. I have read through all the threads about Setrab/Mocal etc coolers and...
Forum: Electrical Systems 02-20-2018, 12:34 PM
Replies: 7
Views: 516
Posted By chris mitchell
Keith - thanks - but I can't access anything in...

Keith - thanks - but I can't access anything in the Dropbox....?

Thanks

Chris
Forum: Electrical Systems 02-19-2018, 11:12 AM
Replies: 7
Views: 516
Posted By chris mitchell
Great, thank you for the info. Chris

Great, thank you for the info.

Chris
Forum: Electrical Systems 02-19-2018, 05:36 AM
Replies: 7
Views: 516
Posted By chris mitchell
Yes, internally regulated. Pin 1, which is where...

Yes, internally regulated. Pin 1, which is where the low volt signal would come from, is empty ie no white wire.

Chris
Forum: RV-4 02-19-2018, 01:17 AM
Replies: 2
Views: 648
Posted By chris mitchell
Talking Knots2U have old style -4 lenses!

Thanks John.

My tips are already bonded in place and will be a pain to remove and repalce.

Happily, I discovered that Knots2U can supply the lenses for the old style tips :D

Just prior to that...
Forum: Electrical Systems 02-19-2018, 01:06 AM
Replies: 7
Views: 516
Posted By chris mitchell
PlanePower FS1-14B alternator and low voltage light

I am planning to run an FS1-14B as my main alternator in my RV-4 (day VFR only).

When I installed it on my engine I noticed that the lead has the field wire to pin 3, a jumper from pin 3 to pin 2,...
Forum: Glass Cockpit 02-18-2018, 02:53 PM
Replies: 11
Views: 1,363
Posted By chris mitchell
Not that I would ever advocate doing something...

Not that I would ever advocate doing something contrary to manufacturer’s instructions; if that’s what Garmin says, fine. However MGL suggest just a twisted pair. Shielding is just one aspect of...
Forum: Glass Cockpit 02-17-2018, 04:11 PM
Replies: 11
Views: 1,363
Posted By chris mitchell
My understanding is that the CANBUS can just be a...

My understanding is that the CANBUS can just be a twisted pair of 22awg wires, and that they do not need to be shielded. Simpler and cheaper - assuming the information is correct!

Chris
Forum: RV Ongoing Maintenance Issues 02-17-2018, 04:07 PM
Replies: 21
Views: 2,751
Posted By chris mitchell
Indeed, Knots2U, Jake Bailey on 262 763...

Indeed, Knots2U, Jake Bailey on 262 763 5100.

Part numbers RMD-RV1001-R and -L.

Alternatively, one can buy eg RV10’lensrs, heat them and reshape over a mild of the desired shape.

I was about to...
Forum: RV-4 02-13-2018, 09:08 AM
Replies: 2
Views: 648
Posted By chris mitchell
Lenses for old style wing tips

I’d like to install lights in my wing tips which are the old-style flat topped ones (W-415 I think).

FlyLED have just sold their last set; Vans don’t have any. Does anyone know of a company that...
Forum: ADS-B 02-05-2018, 03:52 AM
Replies: 3
Views: 814
Posted By chris mitchell
KLN-89B for ADS-B OUT?

I have just replaced an old KT76A transponder with a Trig TT-31, to provide a mode S device. It occurs to me that I could also enable ADS-B by connecting the TT31 to a suitable GPS.

The aircraft...
Forum: RV-4 12-11-2017, 10:00 AM
Replies: 15
Views: 1,619
Posted By chris mitchell
Paul, I completely agree with you about Vans...

Paul, I completely agree with you about Vans design, and as you say there are many RVs of all flavours flying with nylocked control linkages. Now that Daddyman has told us that the original bolt was...
Forum: RV-4 12-10-2017, 03:45 PM
Replies: 15
Views: 1,619
Posted By chris mitchell
Castle nuts and cotter pins rather than nyloc nuts??

Daddyman, that's a nightmare.... its exactly what I worry about with fastenings in the control linkages that I cannot visually inspect before flight. I am now thinking of replacing the less...
Forum: RV-4 12-07-2017, 11:33 AM
Replies: 15
Views: 1,619
Posted By chris mitchell
Thank you Scott - that all makes perfect...

Thank you Scott - that all makes perfect sense!

So if one imagines the F399 in use (the push rod within the stick mixer assembly) it just moves forward and back. The F440 has to deal with that...
Forum: RV-4 12-07-2017, 06:51 AM
Replies: 15
Views: 1,619
Posted By chris mitchell
Control linkages and washers

I am trying to install the various control linkages from the sticks back to the elevator. There seems to be a shortage of information on the plans, though I might well be missing something. Not...
Forum: RV-4 11-14-2017, 02:02 PM
Replies: 43
Views: 13,608
Posted By chris mitchell
An O-360 or IO-360? Also I can't help but wonder...

An O-360 or IO-360? Also I can't help but wonder if the pound per horsepower equation works out or whther you might not be albe to extract more HP from an IO320 without the weight penalty of the...
Forum: RV-4 11-14-2017, 01:58 PM
Replies: 10
Views: 2,241
Posted By chris mitchell
THere is nothing so bad, almost, that you...

THere is nothing so bad, almost, that you couldn't fix it, if you have the time, the skills and the cash. Its just frustrating to have to do it.

You can use pulled rivets in the triangular brace...
Forum: Traditional Aircraft Engines 07-21-2017, 07:07 AM
Replies: 17
Views: 2,399
Posted By chris mitchell
Sump change - The practical details!

This job was easy though I approached it with a bit of trepidation - not a bad frame of mind to be in I suppose! Anyway, here, for those of you who are contemplating the same "upgrade", are the...
Forum: Traditional Aircraft Engines 07-17-2017, 02:21 PM
Replies: 17
Views: 2,399
Posted By chris mitchell
I'm hoping for more power (cold air = denser...

I'm hoping for more power (cold air = denser charge) and less weight. Plus I think the front induction looks better than vertical induction and there is the option of some ram air effect = a little...
Forum: Traditional Aircraft Engines 07-17-2017, 09:23 AM
Replies: 17
Views: 2,399
Posted By chris mitchell
Simple job!

Thanks for the information.

The oil pipe was at the back of the sump, so it was indeed a simple unbolt and reboot task. The only minor point was that the original, Lycoming, sump has 4 studs on it,...
Forum: Traditional Aircraft Engines 07-15-2017, 05:26 AM
Replies: 17
Views: 2,399
Posted By chris mitchell
Changing sumps = Lycoming to Superior

I have a Lycoming IO-320 with the original Lycoming sump installed. I want to change it to the Superior cold air sump. AS far as I can see from internet searches, it should be a simple matter of...
Forum: RV General Discussion/News 05-29-2017, 09:29 AM
Replies: 4
Views: 742
Posted By chris mitchell
Checked that - the piston is right back into the...

Checked that - the piston is right back into the calliper.
It seems like the calliper itself is a little too far away from the disc so that the inner pad binds and the calliper is canted.

Any more...
Forum: RV General Discussion/News 05-27-2017, 07:44 AM
Replies: 4
Views: 742
Posted By chris mitchell
Binding brake

I'm in the process of assembling the wheels and brakes on the RV-4 legs. The first one (right) went together very nicely and the wheel spins without any binding on the brake pads. The left one is...
Forum: RV-4 05-16-2017, 02:11 PM
Replies: 4
Views: 898
Posted By chris mitchell
You may have a problem with the aft lower plate -...

You may have a problem with the aft lower plate - the longitudinal said that abut the aft side of the spar box will interfere with getting the splice plate into position unless you have planned ahead...
Forum: RV General Discussion/News 12-20-2016, 02:39 AM
Replies: 6
Views: 3,273
Posted By chris mitchell
Single piece skins

Just looking at this thread as I contemplate my next build - tho I'm still working on the current one!
One change I would really like to make is to single piece wing skins.

I guess everyone who does...
Forum: RV General Discussion/News 08-04-2016, 04:22 AM
Replies: 7
Views: 1,840
Posted By chris mitchell
Talking I've loaded lots of 16 foot sailing dinghies into...

I've loaded lots of 16 foot sailing dinghies into containers for transcontinental trips. I also brought an RV-4 (HAh!!!) in from Idaho in a 20 footer.

If at all possible get the container off the...
Forum: RV-4 06-15-2016, 12:42 AM
Replies: 16
Views: 3,921
Posted By chris mitchell
useful little addition

When you do the replacement you might want to put a couple of countersunk rivets through the newly assembled F-412 and through the rear flange of the weldment, which I think is what the RV-8 plans...
Forum: RV-4 06-13-2016, 03:09 AM
Replies: 1
Views: 1,047
Posted By chris mitchell
High-back or Rocket canopy frame info

I have reached that happy point where I am beginning to work on the canopy. I have a lovely canopy from Todd Silver which I have put in place on the fuselage to help me gauge what I need to do.

I...
Forum: Safety 04-10-2016, 02:08 PM
Replies: 31
Views: 7,776
Posted By chris mitchell
Actually it's ketone bodies that excreted -...

Actually it's ketone bodies that excreted - acetoacetate, beta-hydroxybutyrate and acetone. Just have to sniff a patients breath!

MEK is also an anesthetic.

Nasty stuff; beware!

Chris
Forum: RV-4 04-06-2016, 03:39 AM
Replies: 10
Views: 1,837
Posted By chris mitchell
Talking Found it!!

It's not in the plans!
Apparently drawing SK-54 - I have to search it out.
18 inches in front of the HS, centred vertically on the fuselage. Steve Sampson raised the issue of the bulkhead (F-409)...
Forum: RV-4 04-05-2016, 10:20 AM
Replies: 10
Views: 1,837
Posted By chris mitchell
Position of static ports

I don't see the position of the static ports indicated on the plans anywhere but maybe I'm just missing it. Anybody know the answer please? Otherwise I'm guessing that about 2 inches in front of...
Forum: Electrical Systems 03-29-2016, 10:27 AM
Replies: 3
Views: 1,069
Posted By chris mitchell
Wiring up MGL iEFIS Explorer and various modules..

I have my iEFIS explorer, SP6 magnetometer, Sp7 AHRS, RDAC and iBox out on teh dining room table whhile I try to figure out the wiring; I'm not finding the manuals totally clear. I have established...
Forum: RV General Discussion/News 03-24-2016, 04:46 AM
Replies: 5
Views: 1,688
Posted By chris mitchell
MS21042 nuts

Thanks guys. As ever, VAF is the fount of all knowledge!

Chris :D
Forum: RV General Discussion/News 03-19-2016, 07:08 AM
Replies: 5
Views: 1,688
Posted By chris mitchell
Alternatives to AN365-1032 nuts?

Because of a lack of foresight and intelligence on my part I have some conflicts between the nuts/bolts that tie the engine mounts to the longhorns and the nut plates for the screws that hold the...
Forum: RV-3 03-06-2016, 02:32 PM
Replies: 11
Views: 4,065
Posted By chris mitchell
If it's like the RV-4, there is no predrilling...

If it's like the RV-4, there is no predrilling anywhere. The plans and instructions are, um, primitive and replete with contradictions and errors. Building a predrilled kit like an -8 is a doddle. ...
Forum: RV-6/6A 03-02-2016, 05:23 AM
Replies: 10
Views: 2,989
Posted By chris mitchell
I suppose it depends on how happy you are with...

I suppose it depends on how happy you are with epoxy work.

No problem hacking the scoop off. If it is then just a matter of filing the defect and making good you could use some mat and epoxy to...
Forum: RV-4 03-02-2016, 12:54 AM
Replies: 1
Views: 1,106
Posted By chris mitchell
RV-4 and RV-8 common parts

Building the -4 is definitely a challenge compared with a pre punched QB -8!
Recently I have been helping repair an -8 and was impressed at how good the parts are and how they have improved even...
Forum: Glass Cockpit 02-10-2016, 08:34 AM
Replies: 6
Views: 1,421
Posted By chris mitchell
Another supporter of Bill at UpNorth - worked...

Another supporter of Bill at UpNorth - worked very well with me, very patient and took the time to make sure it was all laid out correctly, then buzzed out the panel -n very neat, very...
Forum: COMM 02-06-2016, 09:49 AM
Replies: 4
Views: 1,271
Posted By chris mitchell
Harry, Vic, thanks, that's really helpful. My...

Harry, Vic, thanks, that's really helpful. My mistake - KI-204; it definitely has a glide slope bar.
Since there was definitely no multi-pole switch or relays when I took it all apart, I think the...
Forum: COMM 02-06-2016, 03:05 AM
Replies: 4
Views: 1,271
Posted By chris mitchell
Connecting two NAV/COM radios to a single KI-203 nav indicator

I've nearly completed rewiring an RV-8, but am left with one final problem. There are two KX-155 nav com radios, a KA-24 audio panel and a single KI-203 navigation indicator. There is a single VOR...
Forum: RV-4 02-04-2016, 10:40 AM
Replies: 9
Views: 2,604
Posted By chris mitchell
Found the instructions in the proverbial safe...

Found the instructions in the proverbial safe place - grind off the overlong bit of the F-406 and also you may need to file the end of the actuator to fit into the jaws.

Hope that helps.

Chris
Forum: RV-4 02-03-2016, 06:13 AM
Replies: 9
Views: 2,604
Posted By chris mitchell
Hi - I'm installing in a new build and just did...

Hi - I'm installing in a new build and just did the flap installation. A bit gash, not as tidy as the RV-8 system. Definitely comes across as an afterthought.

I can't find my instructions just...
Forum: RV-4 12-27-2015, 12:26 AM
Replies: 2
Views: 1,321
Posted By chris mitchell
Trim it level with the longeron top surface

I think this anomaly dates from the time when F-410 and F-410-A were co-located.

Drawing 30 seemed to me to indicate that F410 had to end flush with the top of the longerons. There is a piece of...
Forum: COMM 12-17-2015, 12:51 AM
Replies: 2
Views: 833
Posted By chris mitchell
Thank you!

......so much! Once again, VAF is the go-to site!
Forum: COMM 12-16-2015, 02:51 PM
Replies: 2
Views: 833
Posted By chris mitchell
Wiring PM2000 to KMA24 - help!!!

I am trying to rewire an RV-8. The avionics stack is a colection of old-ish Bendix King equipment. I have rewired/ reconnected everything but I am completely stumped(sorry - is that an English...
Forum: RV-4 12-05-2015, 11:34 AM
Replies: 8
Views: 1,528
Posted By chris mitchell
Greg - the plane had also been ground-looped -...

Greg - the plane had also been ground-looped - needed replacement/repair of all 4 longerons!

It had been flown in this state - I was impressed that everything had stayed attached despite the...
Forum: RV-4 12-05-2015, 03:28 AM
Replies: 8
Views: 1,528
Posted By chris mitchell
What Greg says. One each side,held in place by...

What Greg says. One each side,held in place by the same bolts that hold the front edge of the HS assembly in place. In due course you might want to make the shims thinner or thincker to decrease or...
Forum: RV General Discussion/News 10-05-2015, 10:05 AM
Replies: 33
Views: 9,688
Posted By chris mitchell
Thanks - I'll just wait a little I guess. Chris

Thanks - I'll just wait a little I guess.

Chris
Forum: RV General Discussion/News 10-03-2015, 03:46 AM
Replies: 33
Views: 9,688
Posted By chris mitchell
Todd's canopies

A group of us here in England need 8 canopies in total, of various types (RV-8, Harmon Ricket, Fournier RF4), and have been trying to get them from Todd. Initial response was good but now, for...
Forum: COMM 09-24-2015, 04:59 PM
Replies: 4
Views: 1,388
Posted By chris mitchell
Bob, thanks, sitting staring at the...

Bob, thanks, sitting staring at the manuals.....
Com1 mic and mic key, pins P and R are inputs to the audio panel from the radio; pins Y and 8 are the inputs from the mic and PTT to the audio panel (...
Forum: COMM 09-24-2015, 12:38 PM
Replies: 4
Views: 1,388
Posted By chris mitchell
Rewiring KX155 Nav/Comm to KMA24 audio panel

Sorting some wiring on an avionics stack that I suspect came out of another aircraft and was never really properly wired in the first place..... It consists of a KMA24 audio panel , two KX155 radios...
Forum: RV-4 08-05-2015, 11:15 AM
Replies: 12
Views: 3,895
Posted By chris mitchell
Things to check

Based on experience of an Rv-4 and an RV8, two things that I would inspect in VERY close detail - were I ever to buy a near completed kit or even a finished, flying plane - are:

Fuel tank...
Forum: RV-4 03-25-2015, 06:16 AM
Replies: 1
Views: 788
Posted By chris mitchell
F404 wing fuselage attach, drawing 13

I don,t understand how the f404e side plate attaches to the rest of the assembly. Does it goon the outside of the flanges but under the skin, which seems like the most logical arrangement? The only...
Forum: RV-4 03-11-2015, 12:13 PM
Replies: 3
Views: 1,227
Posted By chris mitchell
Fuselage F-405A and F-406A

Could someone please clarify for me the lengths of these components? The plans show F405 as 21" and F-406 as 21 1/8". That's not what I have nor what would seem to fit - I think the F-405s are...
Forum: RV-4 03-11-2015, 12:08 PM
Replies: 389
Views: 239,567
Posted By chris mitchell
Looks like really neat work Greg. Chris

Looks like really neat work Greg.

Chris
Forum: RV-4 03-09-2015, 07:37 AM
Replies: 0
Views: 1,197
Posted By chris mitchell
A thing of beauty - instrument panel

Just received my panel, cut by Bill Morrelli at UpNorth Aviation. Worked with Bill on the layout, which went through a few iterations, then when finalised cut by laser. The finish is great and...
Showing results 1 to 62 of 338

 
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