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Search: Posts Made By: jcaplins
Forum: RV-14 01-22-2020, 10:58 AM
Replies: 14
Views: 1,653
Posted By jcaplins
You could look for a garage unit near your condo....

You could look for a garage unit near your condo.

While living in an apartment for a little while I was able to rent a 2 car garage (2 1-car garages with the wall between them knocked out) within a...
Forum: Glass Cockpit 01-13-2020, 11:39 AM
Replies: 20
Views: 1,395
Posted By jcaplins
Another consideration for deciding single or dual...

Another consideration for deciding single or dual screens with the AFS is the number of serial ports.

I currently fly with a single AFS5600T and it works perfectly fine for me flying day/night VFR....
Forum: Glass Cockpit 01-05-2020, 05:41 PM
Replies: 26
Views: 2,021
Posted By jcaplins
2 different things?

I believe there may be 2 different things discussed in this thread.

Is the OP referring to this and not using another brand IFR navigator?...
Forum: Alternative Engines 12-13-2019, 05:53 PM
Replies: 8
Views: 1,384
Posted By jcaplins
haha thanks :D

haha thanks :D
Forum: Alternative Engines 12-13-2019, 01:20 PM
Replies: 8
Views: 1,384
Posted By jcaplins
i do

I fly an H6 powered RV7. You can message me if you want my full experience.

You will hear mostly negative comments here (and maybe rightfully so), and a lot of those will come from those who don't...
Forum: RV General Discussion/News 11-21-2019, 09:50 PM
Replies: 27
Views: 2,630
Posted By jcaplins
unintended consequences

My N number has brought me a minor unintended consequences annoyance. My number is only 4 characters instead of the more common 5 and starts with a 7. The aircraft is an RV7.

So when I call in...
Forum: Alternative Engines 10-17-2019, 05:42 PM
Replies: 479
Views: 75,305
Posted By jcaplins
Making progress. Cool. It looks like there are 2...

Making progress. Cool.

It looks like there are 2 fuel inputs; one with a filter (the black thing?) and one without. Are you running the return fuel straight back to the fuel pumps? if so, the...
Forum: RV General Discussion/News 10-09-2019, 05:22 PM
Replies: 37
Views: 6,585
Posted By jcaplins
Might want to check your ops limits. I think...

Might want to check your ops limits. I think mine says something about no glider towing, banner towing, or skydiving.
Forum: Engine Monitors 09-11-2019, 04:01 PM
Replies: 11
Views: 1,652
Posted By jcaplins
hard to imagine a transducer that needs 7 or 8...

hard to imagine a transducer that needs 7 or 8 wires.
looks like a standard T manifold that has something potted. If you know where the connector goes, it may provide some clues.
Forum: Glass Cockpit 08-31-2019, 11:35 AM
Replies: 7
Views: 962
Posted By jcaplins
I have zero faith in those little cards. I had an...

I have zero faith in those little cards. I had an exhaust leak once and my electronic co detector was alarming with readings well over 100ppm (don't quote me on the exact number) and the card showed...
Forum: Glass Cockpit 08-30-2019, 10:09 PM
Replies: 7
Views: 962
Posted By jcaplins
I look forward to hearing how this goes for you. ...

I look forward to hearing how this goes for you. I have arduinos and a couple of CO sensors and was planning to put something together myself. I plan to have it part of an engine monitor display i'm...
Forum: Alternative Engines 08-28-2019, 09:50 AM
Replies: 10
Views: 2,410
Posted By jcaplins
you'll probably get a lot of hate from non-alt...

you'll probably get a lot of hate from non-alt engine guys here on VAF. There are specific maint, limits and operating things that you will need to be aware of. There is a yahoo group that is still...
Forum: RV General Discussion/News 06-12-2019, 04:57 PM
Replies: 38
Views: 7,340
Posted By jcaplins
I have Infinity Grips and use the...

I have Infinity Grips and use the Perftech/Anti-splat's Ultimate Gust Lock without any issues. It clamps to the stick below the grip.
Forum: Alternative Engines 06-08-2019, 07:40 PM
Replies: 479
Views: 75,305
Posted By jcaplins
Ha ha... It's not a Lycoming! (somewhat kidding,...

Ha ha... It's not a Lycoming!

(somewhat kidding, and somewhat not.)
Forum: RV General Discussion/News 06-03-2019, 06:35 PM
Replies: 15
Views: 1,553
Posted By jcaplins
I stand corrected. Thanks.

I stand corrected. Thanks.
Forum: RV General Discussion/News 06-03-2019, 06:34 PM
Replies: 15
Views: 1,553
Posted By jcaplins
I installed the o-ring around the pin of the Male...

I installed the o-ring around the pin of the Male BNC connector.

Hopefully this image will...
Forum: ADS-B 06-01-2019, 06:08 AM
Replies: 8
Views: 1,265
Posted By jcaplins
Controlled from an AFS 5600T Efis. I'm not sure...

Controlled from an AFS 5600T Efis. I'm not sure how much this even applies to me and my setup, but I can deduce that it is version 2.4 based on when the transponder was purchased. Would be nice to...
Forum: ADS-B 05-31-2019, 08:52 PM
Replies: 8
Views: 1,265
Posted By jcaplins
Without me having to go look at the...

Without me having to go look at the transponder.... how do I know what software rev is installed?
(I don't have a remote head unit)
Forum: Alternative Engines 05-29-2019, 11:13 AM
Replies: 479
Views: 75,305
Posted By jcaplins
I've gotten anywhere from 10 to 50 hours on the...

I've gotten anywhere from 10 to 50 hours on the Bosch 4.7 wideband o2 sensors when using leaded fuel. (Also using decalin additive)

I've switched to the better Bosch 4.9 sensors but have not used...
Forum: RV General Discussion/News 05-27-2019, 10:56 AM
Replies: 15
Views: 1,553
Posted By jcaplins
Agree with using a dipstick. I time my flights...

Agree with using a dipstick. I time my flights and the fuel computer is a backup telling me how much is remaining. I never look at the fuel gauges other than to note they are there and...
Forum: RV General Discussion/News 05-26-2019, 02:44 PM
Replies: 15
Views: 1,553
Posted By jcaplins
Agree 100%. For 1 tank I either forgot to seal...

Agree 100%. For 1 tank I either forgot to seal the wires or I just didn't do a good enough job.

I put a tiny o-ring in the bnc connection, and a year later seams to still be working great.
Forum: RV General Discussion/News 05-26-2019, 05:25 AM
Replies: 15
Views: 1,553
Posted By jcaplins
I'm sure my setup is different; I have the Vans...

I'm sure my setup is different; I have the Vans plates, dynon converters and GRT eis4000, mine is only accurate at full and empty. I can only calibrate an offset and scaling factor, not specific...
Forum: RV-10 05-20-2019, 07:02 AM
Replies: 26
Views: 3,330
Posted By jcaplins
For height: can you remove the wheels? For width:...

For height: can you remove the wheels?
For width: I assume it's the gear itself that's too wide? Can you use a ratchet strap to pull them in a couple inches?
Forum: Safety 05-08-2019, 11:38 PM
Replies: 50
Views: 7,413
Posted By jcaplins
I'll throw in my opinion... A different approach...

I'll throw in my opinion...
A different approach sounds like a good idea. If she is afraid to fly, she will have no motivation to learn to fly. The first thing, as others have mention, is work on...
Forum: My RV Build Project 05-03-2019, 07:27 AM
Replies: 33
Views: 10,019
Posted By jcaplins
That is fantastic. How much does the frame weigh...

That is fantastic. How much does the frame weigh and how well does it ride?
Forum: Traditional vs. Alternative Powerplants 04-29-2019, 04:31 PM
Replies: 4
Views: 4,064
Posted By jcaplins
In my opinion the subaru package was oversold....

In my opinion the subaru package was oversold. "new" from Jan, It was no cheaper, not lighter, not as fuel efficient, not faster than a similar hp equipped Lycoming. And they weren't simply bolt on...
Forum: GPS 03-28-2019, 01:21 PM
Replies: 222
Views: 51,915
Posted By jcaplins
So, other than comm/Nav radios... what does the...

So, other than comm/Nav radios... what does the 175 do/not do compared to the GTN 650? (Are the radios what make the gtn650 cost twice as much?)

If all I wanted was an en route and precision...
Forum: RV-12/RV-12iS 03-03-2019, 11:29 AM
Replies: 28
Views: 5,009
Posted By jcaplins
I do want to be clear, I don’t know anything...

I do want to be clear, I don’t know anything about the Rotax or the Rotax gearbox. In my case the beat freq vibration (thrumming) was a collapsing timing chain tensioner(I have 2 chains and 2...
Forum: Safety 02-22-2019, 02:58 PM
Replies: 29
Views: 4,574
Posted By jcaplins
This may be a problem with the report writer. ...

This may be a problem with the report writer. Report says "lithium-ion phosphate" battery; which is not really a thing. "lithium-iron phosphate" is and I believe that is what Deltran lithium...
Forum: Propellers 02-15-2019, 07:31 AM
Replies: 19
Views: 1,280
Posted By jcaplins
I have an electric CS prop, but not an MT....

I have an electric CS prop, but not an MT.
Electric props in general are much slower to respond than hydraulic and have a tendency to "hunt". If you have an option to go hydraulic then I don't feel...
Forum: RV-12/RV-12iS 01-29-2019, 06:17 PM
Replies: 28
Views: 5,009
Posted By jcaplins
Just out of curiosity... how would you describe...

Just out of curiosity... how would you describe the vibration?

is it just roughness only at a certain rpm?
Roughness gets more or less noticeable as you move away from that RPM?
Is it a beat freq...
Forum: RV Ongoing Maintenance Issues 01-28-2019, 05:16 PM
Replies: 21
Views: 2,640
Posted By jcaplins
Similar thing here with local FBO, except they...

Similar thing here with local FBO, except they wouldn't work on anything experimental. When called out on this they shifted the blame from the FAA to their their insurance. Why that would be, I have...
Forum: Alternative Engines 01-28-2019, 09:35 AM
Replies: 479
Views: 75,305
Posted By jcaplins
I think Dan posted this link...

I think Dan posted this link earlier:
https://www.youtube.com/watch?v=osvshgbbuAA&t=179s

Right around the 2:50 mark: It was cut "in order for the torsional forces to be dampened correctly"

So,...
Forum: Engine Monitors 01-27-2019, 04:33 PM
Replies: 2
Views: 620
Posted By jcaplins
If it's one of the aux inputs: AuxDisplay =...

If it's one of the aux inputs:
AuxDisplay = (AuxVoltage * AuxScaleFactor / 2.5) + AuxOffset


http://grtavionics.com/media/VDO-80-and-150-Pressure-Sender-Aux-Input.pdf

other sensors are on their...
Forum: Electrical Systems 01-21-2019, 12:16 PM
Replies: 20
Views: 2,283
Posted By jcaplins
(Edited: Deleting invalid comment; pay no...

(Edited: Deleting invalid comment; pay no attention to me)
Forum: Electrical Systems 01-18-2019, 10:33 AM
Replies: 20
Views: 2,283
Posted By jcaplins
similar to Sam's.... My wig-wags are controlled...

similar to Sam's....

My wig-wags are controlled through the VPX by airspeed. I turn my taxi and landing lights on just before takeoff and leave them on within ~10 miles of the airport and/or in a...
Forum: Traditional Aircraft Engines 01-17-2019, 10:18 PM
Replies: 13
Views: 1,632
Posted By jcaplins
I would think the state would still try to get...

I would think the state would still try to get property tax if the aircraft spent more than 30 seconds in CA.

I shouldn't have to pay a use tax on a used engine or prop. When I paid taxes on my...
Forum: Traditional Aircraft Engines 01-17-2019, 09:45 PM
Replies: 13
Views: 1,632
Posted By jcaplins
yes, I still have that option. it will cost me...

yes, I still have that option. it will cost me about $45,000. (engine, prop, firewall kit, engine mount, gear legs, and cowling) + plus whatever else I can't think of.
Forum: Traditional Aircraft Engines 01-17-2019, 03:36 PM
Replies: 13
Views: 1,632
Posted By jcaplins
Sorry, I wasn't clear. I am not talking about...

Sorry, I wasn't clear. I am not talking about starting with a salvage aircraft or engine. I think Mel had an ideal situation there, knowing why the aircraft was damaged and knowing the engine was...
Forum: Traditional Aircraft Engines 01-17-2019, 02:12 PM
Replies: 13
Views: 1,632
Posted By jcaplins
taking an engine from donor aircraft

I'm doing some planning, and would like to hear some stories and experiences for those who have pulled an engine(/prop) from a donor aircraft for use on your RV. I hear talk about it, but does...
Forum: Alternative Engines 01-15-2019, 12:47 PM
Replies: 2
Views: 666
Posted By jcaplins
I'll take your word for it because I do believe...

I'll take your word for it because I do believe the temps will stabilize to the coolant temp.

If you'd care to expand on what I would see leading up to "oh ****, that was a bad idea!", I'm all...
Forum: Alternative Engines 01-14-2019, 04:11 PM
Replies: 2
Views: 666
Posted By jcaplins
CHTs and liquid cooled engine

I would like to re-ask a question about ring terminal spark plug temp probes for a different purpose. Originally asked here:
http://www.vansairforce.com/community/showthread.php?t=157048


Would...
Forum: Alternative Engines 12-30-2018, 07:54 PM
Replies: 3
Views: 620
Posted By jcaplins
Worked like a charm. New sensor installed with...

Worked like a charm. New sensor installed with new connector and changed settings in the SDS. Now the sensor is matching another MAP sensor and the altimeter.

Now I can get on with some...
Forum: Alternative Engines 12-29-2018, 11:11 PM
Replies: 3
Views: 620
Posted By jcaplins
Thank you Ross, I bought a new sensor before I...

Thank you Ross,
I bought a new sensor before I realized the original was a 2 bar. I also have a new connector already.

E-mail has been sent. (and there is no rush over the holiday)
Forum: Alternative Engines 12-29-2018, 09:29 PM
Replies: 3
Views: 620
Posted By jcaplins
SDS and MAP sensor

Is there a way change what MAP sensor the SDS system is setup for?

I believe I have a 2 bar sensor. It is reading 2" hg to high and is pretty much 2" too high through the full range compared with...
Forum: Alternative Engines 11-22-2018, 01:53 PM
Replies: 11
Views: 2,202
Posted By jcaplins
21 responses. I was limited to the number of...

21 responses.

I was limited to the number of questions to ask and you could only enter whole numbers. I made the mistake of not specifying engine vs prop rpm; most people put engine rpm, but for the...
Forum: Alternative Engines 11-21-2018, 08:07 PM
Replies: 11
Views: 2,202
Posted By jcaplins
I've gotten 20 responses so far. I posted some...

I've gotten 20 responses so far. I posted some of the earlier results on the other group, I'll post it all here soon.
Forum: Alternative Engines 11-13-2018, 11:03 AM
Replies: 11
Views: 2,202
Posted By jcaplins
subaru engine prop combo survey

For those of you running a subaru engine and not on the Yahoo subenews group, I have created a quick survey:
https://www.surveymonkey.com/r/QBCBMXY


Since I don't know all the combinations, I'll see...
Forum: Alternative Engines 11-07-2018, 04:53 PM
Replies: 479
Views: 75,305
Posted By jcaplins
Do you have a diagram of your cooling...

Do you have a diagram of your cooling setup?

From the video, it looks like a simple engine in/out, radiator in out. no overflow or bypasses. but I can't see everything from the video.

What are...
Forum: ADS-B 11-04-2018, 07:25 PM
Replies: 4
Views: 2,286
Posted By jcaplins
Same thing here. The Gov't spent over $5 to send...

Same thing here. The Gov't spent over $5 to send me a certified letter. Seems an e-mail would have sufficed.

Question is... what happens if my aircraft is filtered out of the system? what do I...
Forum: RV General Discussion/News 10-30-2018, 12:02 AM
Replies: 9
Views: 987
Posted By jcaplins
“The flight instructor’s manual” by William K....

“The flight instructor’s manual” by William K. Kershner, seems to have a pretty comprehensive section on spins and the basic aerobatic maneuvers.
Forum: Electrical Systems 10-19-2018, 03:54 PM
Replies: 66
Views: 7,426
Posted By jcaplins
I only have 1 screen, no backup instruments, and...

I only have 1 screen, no backup instruments, and the transponder, vpx, audio panel, radio, and autopilot are controlled from that screen. I do have a remote radio head, so I can still control the...
Forum: Electrical Systems 10-19-2018, 03:29 PM
Replies: 66
Views: 7,426
Posted By jcaplins
I run 2 busses, and "engine" and an "everything...

I run 2 busses, and "engine" and an "everything else" buss.
I use a VPX sport for the "everything else" buss and I like it for its features and interface with the EFIS.
Since my -7 is electrically...
Forum: RV-10 10-05-2018, 10:13 PM
Replies: 9
Views: 1,028
Posted By jcaplins
Rivet them together into the shape of a...

Rivet them together into the shape of a fuselage.
.
.
.
I'll get my hat
Forum: Tools 09-26-2018, 10:49 AM
Replies: 20
Views: 3,296
Posted By jcaplins
might consider looking for 10x reading glasses

might consider looking for 10x reading glasses
Forum: RV General Discussion/News 09-09-2018, 03:50 PM
Replies: 21
Views: 4,199
Posted By jcaplins
My dynon cap sensor converters are connected to a...

My dynon cap sensor converters are connected to a EIS4000 engine monitor and there is only a scaling factor and offset, which basically gives me a linear calibration as my only option. It would be as...
Forum: RV Building Tips/Techniques 08-27-2018, 11:21 AM
Replies: 10
Views: 1,681
Posted By jcaplins
On my slow built rv7, I would estimate I bucked...

On my slow built rv7, I would estimate I bucked 98% of rivets by myself. I wouldn't say any of it was "hard", just time consuming. When you do need a second person I'm sure it won't be an issue to...
Forum: Alternative Engines 06-21-2018, 12:07 AM
Replies: 127
Views: 36,597
Posted By jcaplins
Should all be here if the pics don't show up: ...

Should all be here if the pics don't show up: https://photos.app.goo.gl/dopAwCt9jDFeh5U78
Forum: Alternative Engines 06-20-2018, 01:21 PM
Replies: 127
Views: 36,597
Posted By jcaplins
Ross, I will take your advice and try to improve...

Ross,
I will take your advice and try to improve the volumetric efficiency first. (not sure what I can do about the exhaust… then later the cooling drag)
How did this setup workout? ...
Forum: Trip Write-ups 06-20-2018, 09:28 AM
Replies: 171
Views: 58,820
Posted By jcaplins
The tracking is still there. As far as I know it...

The tracking is still there. As far as I know it never went away.
Forum: Alternative Engines 06-17-2018, 09:44 PM
Replies: 127
Views: 36,597
Posted By jcaplins
I have the single ports heads.

I have the single ports heads.
Forum: Alternative Engines 06-15-2018, 04:33 PM
Replies: 127
Views: 36,597
Posted By jcaplins
Thanks, Ross. Much appreciated. That will give...

Thanks, Ross. Much appreciated. That will give me good idea of where to start. I figure if gear leg fairings can add 10 knots, cleaning up a wall of radiators has got to be worth another 10.

I’ve...
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