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Search: Posts Made By: larosta
Forum: VAF Classifieds (posts in here deleted after 30 days) 01-15-2020, 10:41 AM
Replies: 8
Views: 607
Posted By larosta
I have one of the low cost crimping tools and the...

I have one of the low cost crimping tools and the adapter for the high density D-sub pins from our friends at Steinair. Not the lowest price but it comes with the great support of a company that...
Forum: RV General Discussion/News 01-13-2020, 12:55 PM
Replies: 48
Views: 3,781
Posted By larosta
Dutch John , UT! Wow, that witness protection...

Dutch John , UT! Wow, that witness protection program is getting pretty Flaming Gorge serious.

-larosta
Forum: RV General Discussion/News 01-13-2020, 11:50 AM
Replies: 48
Views: 3,781
Posted By larosta
If you are working with an organization...

If you are working with an organization (municipality or other government) that has access to grants or other $$ you might consider something like one of the AWOS systems.

We have been using a...
Forum: RV General Discussion/News 12-21-2019, 10:31 AM
Replies: 61
Views: 5,825
Posted By larosta
Interesting and informative. - larosta

Interesting and informative.

- larosta
Forum: RV Building Tips/Techniques 10-21-2019, 12:18 AM
Replies: 4
Views: 836
Posted By larosta
Some information available on the OnSpeed Project Website

Some interesting things and information Related to AoA happening with the OnSpeed project. Check out flyonspeed.org

Some interesting videos and papers on the subject. The project is entirely a not...
Forum: RV-12/RV-12iS 10-11-2019, 10:35 PM
Replies: 1
Views: 610
Posted By larosta
Should be pretty straightforward on the -12. ...

Should be pretty straightforward on the -12. Remember that these are active sensors as opposed to passive/resistive sensors. They need a supply voltage (+12VDC) and current (a few mA) to make the...
Forum: RV General Discussion/News 09-11-2019, 06:23 PM
Replies: 26
Views: 3,772
Posted By larosta
Follow along...

Follow along here:

http://reports.airrace.org/index.html


-larosta
Forum: RV General Discussion/News 09-11-2019, 05:44 PM
Replies: 26
Views: 3,772
Posted By larosta
Add the Hometown Cafe, 9251 Lemmon Dr, Reno, NV...

Add the Hometown Cafe, 9251 Lemmon Dr, Reno, NV 89506 to the list for breakfast and lunch. They open early (630 AM) during race week for the crews and die hard race fans, Good you 'betcha food,...
Forum: RV General Discussion/News 08-16-2019, 04:01 PM
Replies: 10
Views: 1,079
Posted By larosta
Here are some observations from my experiences at...

Here are some observations from my experiences at Reno:

1) Lodging, many of the race team crews stay downtown in the casino hotels. Why, because they are on low budgets. Just checked and Circus...
Forum: RV General Discussion/News 08-13-2019, 02:49 PM
Replies: 10
Views: 607
Posted By larosta
There are commercial solvents for removing RTV...

There are commercial solvents for removing RTV like this:
Goo Gone Caulk Remover
https://googone.com/caulk-remover

I have used vinegar in the past and found this link that might be of...
Forum: Acts of Charity (using your RV) 07-04-2019, 01:05 PM
Replies: 1
Views: 4,394
Posted By larosta
Magnitude 6.4 earthquake near Ridgecrest, CA - Axel Country

A magnitude 6.4 earthquake (a pretty big one) was reported near Ridgecrest, CA. @ 2019-07-04T17:33:48Z. This is Axel’s backyard. Fortunately this is somewhat remote but a lot of folks live in...
Forum: RV Photo/Video URLs 06-13-2019, 12:22 PM
Replies: 15
Views: 2,471
Posted By larosta
Best guess - Arizona...

Best guess - Arizona <GRIN>

https://en.m.wikipedia.org/wiki/Flag_of_Arizona


-larosta
Forum: Safety 06-01-2019, 06:06 PM
Replies: 24
Views: 3,327
Posted By larosta
I have heard good things about Bonehead...

I have heard good things about Bonehead Composites. I would suspect that they are much lighter than a Mil Helmet. I have been a customer of Flighthelmets.com in the past and always have had good...
Forum: Traditional Aircraft Engines 05-16-2019, 01:36 PM
Replies: 11
Views: 2,243
Posted By larosta
Dan, If you can slip an extra gasket in place...

Dan,

If you can slip an extra gasket in place you might be able to position a thermocouple across the diameter and centered in the airflow. The extra gasket would electrically insulate and provide...
Forum: Glass Cockpit 05-05-2019, 02:23 AM
Replies: 12
Views: 1,771
Posted By larosta
Breaking the shields between two runs especially...

Breaking the shields between two runs especially in a current mode topology may not be a problem. I don’t claim to be an expert but I would not hesitate to do it in a small aircraft.

If you wNt to...
Forum: Electrical Systems 05-04-2019, 05:14 PM
Replies: 9
Views: 647
Posted By larosta
For a given series number the crimp pins that are...

For a given series number the crimp pins that are used with a CPC connector are the same as standard D-Sub connectors.

-larosta
Forum: Glass Cockpit 05-04-2019, 05:11 PM
Replies: 12
Views: 1,771
Posted By larosta
You should be OK just grounding one end of each...

You should be OK just grounding one end of each shield segment individually to the airframe. Note that in order to eliminate ground currents in the shield only terminate one end of a shielding run. ...
Forum: Electrical Systems 05-04-2019, 02:36 PM
Replies: 9
Views: 647
Posted By larosta
Here is what we use for D-Sub Crimp...

Here is what we use for D-Sub Crimp Connectors.

All Digi-Key Parts but easily cross referenced to other distributers.


Male crimp pins (20-24 AWG)
626-1073-ND...
Forum: COMM 04-23-2019, 07:14 PM
Replies: 25
Views: 2,866
Posted By larosta
GARMIN GTX 335 ADS-B RS-232 Serial Data to Artex ELT 345 Format

We are considering installing an ARTEX ELT 345 and sending it position data from a GTX 335. We are currently trying to figure out what serial dat format out of the 335 is compatible with the ELT. ...
Forum: Reviews 02-17-2019, 10:20 PM
Replies: 65
Views: 15,305
Posted By larosta
Not sure if the Bluetooth adapters from Crazed...

Not sure if the Bluetooth adapters from Crazed Pilot would accomplish what you are looking for but they do allow each headset to be connected to a different Bluetooth link. I use one to link the...
Forum: Instrument Flight Rules 01-31-2019, 08:49 AM
Replies: 8
Views: 1,008
Posted By larosta
You might want to take a look at what Rod Machado...

You might want to take a look at what Rod Machado has to offer.

https://rodmachado.com/collections/instrument-rating-collection


- larosta
Forum: Safety 12-16-2018, 06:51 PM
Replies: 103
Views: 32,719
Posted By larosta
Gen 2 Onspeed Question - Display

Vac,

I really like the Gen 2 concept and packaging. Just out of curiosity. Are you intending to have some sort of visual display of AoA in this design?

-larosta
Forum: RV-12/RV-12iS 11-04-2018, 10:04 AM
Replies: 27
Views: 6,114
Posted By larosta
You may need to check the calibration of your...

You may need to check the calibration of your bubble level. A web search for “how to calibrate a spirit level” should return several written and video procedures. If your level is out of...
Forum: ADS-B 11-02-2018, 07:15 PM
Replies: 35
Views: 6,997
Posted By larosta
OP - Whats a decent used transponder that can be upgraded to ADSB Out?

This has become an interesting and informative thread. I am not sure that we have provided the information that Gary was looking for in his original post. I was under the impression that he was...
Forum: ADS-B 11-02-2018, 11:15 AM
Replies: 35
Views: 6,997
Posted By larosta
I believe that a NEW Garmin GDL82 installed and...

I believe that a NEW Garmin GDL82 installed and fed by an existing (read used) Mose C transponder meets the requirements for the...
Forum: ADS-B 11-02-2018, 12:43 AM
Replies: 35
Views: 6,997
Posted By larosta
Would a used King KT76 or KT76a with an altitude...

Would a used King KT76 or KT76a with an altitude encoder work. Looks like a lot of these will be available for a couple of hundred dollars as aircraft are upgraded to Mode S installations. It would...
Forum: RV Building Tips/Techniques 10-22-2018, 12:33 PM
Replies: 7
Views: 1,805
Posted By larosta
CiES Fuel Sending Unit for RV

I cannot speak directly regarding the state of the CiES fuel sending units for the RV. However, when I do get to that point my aircraft will use their technology.

I cna speak to the companies...
Forum: RV General Discussion/News 10-15-2018, 05:30 PM
Replies: 20
Views: 2,762
Posted By larosta
May have a use for it near to your location. ...

May have a use for it near to your location. Sent PM

-larosta
Forum: RV General Discussion/News 10-12-2018, 06:14 PM
Replies: 46
Views: 5,864
Posted By larosta
Something to consider. We were looking at the...

Something to consider. We were looking at the GDL 82 as the best option for an aircraft that we have. Once we realized that we would be using the existing existing KT76a with a pretty old Klystron...
Forum: Engine Monitors 09-28-2018, 05:33 PM
Replies: 12
Views: 2,433
Posted By larosta
On the subject of the battery change. You may...

On the subject of the battery change. You may want to check the supply voltage to the signal conditioners. A few years ago we were certain that a instrumentation package was supplied by a regulated...
Forum: RV-12/RV-12iS 09-19-2018, 07:05 PM
Replies: 23
Views: 3,581
Posted By larosta
"WAS designed for it" that makes a big...

"WAS designed for it"

that makes a big difference in the implementation, if VANS ever elected to design in a BRS as an option I am sure that it would be done right and that many potential builders...
Forum: RV-12/RV-12iS 09-18-2018, 09:24 PM
Replies: 23
Views: 3,581
Posted By larosta
Here is a paper that may be of interest to anyone...

Here is a paper that may be of interest to anyone considering a BRS. It primarily addresses the application of a BRS to a hang glider but much of it may be applicable to a light experimental...
Forum: RV General Discussion/News 09-17-2018, 12:28 AM
Replies: 39
Views: 6,455
Posted By larosta
Here is the link to the race reports for all of...

Here is the link to the race reports for all of the classes. Not news, just timing and positions for each race in each class.

http://reports.airrace.org/


It was a good week, sad to see fewer and...
Forum: Engine Monitors 09-02-2018, 06:43 PM
Replies: 25
Views: 4,832
Posted By larosta
Expermentalavionics.com EMS Project

It appears that this project from Australia, as many well intended amateur product developments efforts do, has gone cold. Looks like the developer got a job that has made it difficult for him to...
Forum: RV General Discussion/News 08-25-2018, 12:18 PM
Replies: 39
Views: 6,455
Posted By larosta
RARA Announces Racer Lineup for 2018 STIHL National Championship Air Races

Should be an interesting year in all classes. Several dominant planes and pilots missing from this years lineups could make for the beginning of a new era for...
Forum: ADS-B 08-16-2018, 12:32 PM
Replies: 42
Views: 14,938
Posted By larosta
I have looked at both the wing and tail models of...

I have looked at both the wing and tail models of the uAvionix and have wondered about the potential for theft. Granted they are registered with the manufacturer and once installed the FAA so they...
Forum: RV Building Tips/Techniques 08-15-2018, 06:41 PM
Replies: 7
Views: 1,805
Posted By larosta
Based on what I have seen with the CiES design...

Based on what I have seen with the CiES design and installation, changing the float arm geometry would not be a problem as the sensor and display are calibrated together with fuel after the sensor is...
Forum: RV General Discussion/News 03-12-2018, 06:22 PM
Replies: 173
Views: 111,409
Posted By larosta
Strange Glow Between Barsto and EAFB

Could have been the Solar One demonstration project that was near Barstow back in the day.

https://en.wikipedia.org/wiki/The_Solar_Project

It created some strange glowing light across the desert...
Forum: RV Ongoing Maintenance Issues 02-15-2018, 07:27 PM
Replies: 21
Views: 4,174
Posted By larosta
Plastic Blow Molding or Oven Drape Shop

If there are lenses available that could be used to pull the tools from you may want to consider having a shop do a short run.

I used this company several years ago to make some lenses for an...
Forum: RV-10 02-03-2018, 03:04 PM
Replies: 27
Views: 6,904
Posted By larosta
With regards to mounting the temperature sensor...

With regards to mounting the temperature sensor in the NACA inlet. My first reaction is that by design the inlet has some compress-ability in the throat or slightly forward of that area. As we know...
Forum: California 01-29-2018, 01:46 PM
Replies: 11
Views: 2,119
Posted By larosta
Probably the old McDonnell Douglas Grey Butte Radar Cross Section Range

Tejon

The Tejon RCS test range is owned and operated by Northrop-Grumman (previously Northrop, before the merger). Located 35 miles west of Edwards AFB, the Tejon RCS range consists of two separate,...
Forum: RV General Discussion/News 11-22-2017, 01:04 AM
Replies: 16
Views: 3,195
Posted By larosta
You might want to give the guys over at Human...

You might want to give the guys over at Human Systems near your facility a call.

FlightHelmet.com has a lot of parts ant they might be able to help. You can also pick up that g suit and ejection...
Forum: ADS-B 11-11-2017, 03:22 PM
Replies: 27
Views: 5,053
Posted By larosta
An Arduino will work just fine. When you have a...

An Arduino will work just fine.

When you have a nail to drive, just find the right hammer.

-larosta
Forum: ADS-B 11-11-2017, 12:16 PM
Replies: 27
Views: 5,053
Posted By larosta
Use a terminal emulator instead of a scope

Consider using a serial to USB adapter like this one from Sparkfun. There are others out there and you may find them on amazon or eBay.

SparkFun USB to Serial Breakout -...
Forum: RV General Discussion/News 09-17-2017, 10:08 AM
Replies: 48
Views: 12,612
Posted By larosta
Reno Lap Length Changes Between 2016 and 2017

The official results are at: http://reports.airrace.org/

Keep in mind that the method of calculating lap length changed this year. To the best of my knowledge the pylon positions did not change so...
Forum: RV General Discussion/News 09-17-2017, 12:25 AM
Replies: 25
Views: 6,523
Posted By larosta
Reno 2017 Almost In the Can See You Next Year

We finished our support to the airplanes with too many wings today. So far it has been a great year here at Reno and I trust that Sunday will bring the same.

Axel and all of the other RV guy's out...
Forum: RV General Discussion/News 09-13-2017, 11:33 PM
Replies: 25
Views: 6,523
Posted By larosta
RENO Biplanes -Phantom

Not RV related but still experimental.

If you are at Reno this week. Get out there a bit early and watch a purpose built race 230 MPH biplane in action. Phantom, Race 62 is an incredible example...
Forum: West (and Southwest) 09-09-2017, 04:55 PM
Replies: 0
Views: 492
Posted By larosta
Forum: Engine Monitors 08-22-2017, 12:26 AM
Replies: 7
Views: 823
Posted By larosta
There are some poorly Manufactured EGT Probes Out There

Yep, I have run across another very expensive ($195 ea.) EGT TC probe out there that failed within 25 hours. Broken wire in the transition from the probe to the extension lead, no abuse or external...
Forum: Engine Monitors 08-21-2017, 09:46 PM
Replies: 7
Views: 823
Posted By larosta
Thermocoule Wiring Problem

If I were diagnosing this problem I would first look for three things:

1) Do I have any metal in the thermocouple path that is not of the same alloy as that side of the thermocouple? That is, is...
Forum: RV General Discussion/News 08-12-2017, 01:41 AM
Replies: 43
Views: 12,325
Posted By larosta
CiES fuel sending units for RV

I would like to weigh in on the CiES fuel sending unit product. I have spen a great deal on time on a fuel sending unit prounrelated to the RV application but similar. In the process I have spent...
Forum: ADS-B 08-09-2017, 12:48 PM
Replies: 12
Views: 3,802
Posted By larosta
Check your PM's. -larosta

Check your PM's.

-larosta
Forum: RV-12/RV-12iS 07-26-2017, 01:19 AM
Replies: 102
Views: 30,392
Posted By larosta
Temperatures vs. Fuel Burn Rate

Perhaps the difference in temperatures is,one of the measurement technique(s) and procedures themselves and not a violation of physical theories. It is common that when measurement tools, sensors,...
Forum: Electrical Systems 05-26-2017, 03:17 PM
Replies: 6
Views: 1,352
Posted By larosta
Paul, You can take the guy out of NASA but you...

Paul,

You can take the guy out of NASA but you can't take NASA out of the guy. A harness that has been laced by a skilled technician is a work of art and typically results in a well thought out...
Forum: RV General Discussion/News 05-26-2017, 01:14 AM
Replies: 15
Views: 2,007
Posted By larosta
I have used BK Customs in Riverside, CA several...

I have used BK Customs in Riverside, CA several times for making parts for my business. They have always given me good pricing and great turnaround. Try finding someone to cut slots in 0.5 inch...
Forum: RV-12/RV-12iS 05-14-2017, 05:00 PM
Replies: 3
Views: 2,364
Posted By larosta
I have always been under the impression that the...

I have always been under the impression that the core Rotax 912 powerplant has been pretty well wrung out from a reliability standpoint during its tenure in the RQ-1a Predator. I believe that the...
Forum: RV General Discussion/News 04-28-2017, 07:37 PM
Replies: 204
Views: 48,018
Posted By larosta
An interesting aspect of the new program is that...

An interesting aspect of the new program is that the in the process of taking the AOPA or MAYO online training and test many pilots will become better informed that they would by just spending 10...
Forum: RV General Discussion/News 04-25-2017, 02:40 PM
Replies: 13
Views: 3,035
Posted By larosta
As far as the software goes our current design...

As far as the software goes our current design path looks lik ethis:

Concept > Solidworks for Non-Commercial Stuff ( thanks EAA), Onshape or Geomagic (not recommended at this point) for commercial >...
Forum: RV General Discussion/News 04-06-2017, 01:35 AM
Replies: 1,211
Views: 291,216
Posted By larosta
An insert for installing on the baskside of plastic parts

Take a look at these

"Install on the underside of your material. The flange keeps the insert from being pulled through a hole. Installing a screw from the top of the material causes the insert to...
Forum: RV General Discussion/News 03-29-2017, 02:07 PM
Replies: 43
Views: 12,745
Posted By larosta
Perhaps Consider a different sender technology

Part of my business and career has involved the application of a variety of sensor technologies. The sensing of liquid levels would seem to be pretty straightforward and often is, unfortunately that...
Forum: Tools 03-16-2017, 01:45 AM
Replies: 8
Views: 4,156
Posted By larosta
Desktop CNC

Take a look at the machines from Shapeoko:
http://carbide3d.com/shapeoko/

The Shapeoko machines appear to be well made and have pretty good...
Forum: COMM 01-24-2017, 11:34 AM
Replies: 6
Views: 5,227
Posted By larosta
KX-155 Photoresistor

We have a KX-155a that we keep in the shop for monitoring. The display dimming has gotten to the point where it is OK in daylight but is unreadable in dim light. I understand that this is probably...
Showing results 1 to 62 of 139

 
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