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Search: Posts Made By: agent4573
Forum: My RV Build Project Today, 07:00 PM
Replies: 21
Views: 6,198
Posted By agent4573
So after months of waiting for parts, things...

So after months of waiting for parts, things started happening very quickly. I've been on hold since December waiting for a cowl from Sam James that was supposed to arrive in November. The moderators...
Forum: Safety Today, 01:25 PM
Replies: 36
Views: 3,371
Posted By agent4573
Yup. The company I currently work for has to...

Yup. The company I currently work for has to renew our certs every year.
Forum: Safety Today, 12:06 PM
Replies: 36
Views: 3,371
Posted By agent4573
21.181 Duration. (a) Unless sooner surrendered,...

21.181 Duration.
(a) Unless sooner surrendered, suspended, revoked, or a termination date is otherwise established by the FAA, airworthiness certificates are effective as follows:

(1) Standard...
Forum: RV-7/7A Today, 11:00 AM
Replies: 9
Views: 486
Posted By agent4573
I marked and drilled everything with the top skin...

I marked and drilled everything with the top skin on, then removed the skin. It wasn't removed for the sole purpose of putting these rivets in, I just wasn't ready to full install it yet. I couldn't...
Forum: RV Building Tips/Techniques Yesterday, 06:16 PM
Replies: 13
Views: 948
Posted By agent4573
Thanks for the extra pics, make it a lot more...

Thanks for the extra pics, make it a lot more clear. I agree with the other people that the bracket looks slightly to large, not the skin. How you fix this issue has two possibilities
1. Make the...
Forum: RV Building Tips/Techniques Yesterday, 03:57 PM
Replies: 13
Views: 948
Posted By agent4573
Can you take a picture a little further away?...

Can you take a picture a little further away? Having a hard time picturing exactly where this is in the structure. From what I can see, I would personally file the skin back so its not pressed...
Forum: RV-7/7A 04-12-2021, 08:10 PM
Replies: 9
Views: 486
Posted By agent4573
This was taken with the square on the backside of...

This was taken with the square on the backside of the panel. If you put the square on the longeron it's even a more pronounced angle.
Forum: RV Building Tips/Techniques 04-10-2021, 11:37 AM
Replies: 1
Views: 552
Posted By agent4573
I've had some time to draw up the parts and get...

I've had some time to draw up the parts and get quotes for manufacturing. A batch of 50 (25 sets) will cost me $150 per set not including nuts, washers, bolts, or shipping. Once I include hardware...
Forum: Engine Monitors 04-09-2021, 03:36 PM
Replies: 4
Views: 491
Posted By agent4573
Appreciate the response. I've got a 4 cylinder...

Appreciate the response. I've got a 4 cylinder sensor kit coming through a garmin distributor, but I wasn't sure if I should cancel that order and buy the individual V2 sensors. Sounds like I'll be...
Forum: Engine Monitors 04-08-2021, 05:30 PM
Replies: 4
Views: 491
Posted By agent4573
Garmin / Kavlico Sensors

Doing some research on the sensor kit I'm about to install in the build. Everything Spruce sells for Garmin still lists the old kavlico part numbers for the sensors subject to leaking. Looking up the...
Forum: VAF Classifieds (posts in here deleted after 30 days) 04-06-2021, 12:23 AM
Replies: 4
Views: 644
Posted By agent4573
I'll take the gps receiver. Pm sent for payment...

I'll take the gps receiver. Pm sent for payment details.
Forum: RV General Discussion/News 04-01-2021, 08:21 PM
Replies: 14
Views: 2,098
Posted By agent4573
For an advisory circular, I think writing the...

For an advisory circular, I think writing the platinum standard is the correct approach. You give the builders all the information and steps that would make up a 100% correct flight test program and...
Forum: RV General Discussion/News 04-01-2021, 12:16 PM
Replies: 62
Views: 5,101
Posted By agent4573
I'll be there the week prior to help setup the...

I'll be there the week prior to help setup the grounds as normal. Now that I'm actually building an RV I'll definitely be there for this.
Forum: RV-7/7A 04-01-2021, 09:28 AM
Replies: 1,128
Views: 1,163,829
Posted By agent4573
We're doing dual side throttles though, so...

We're doing dual side throttles though, so putting TOGA on the panel didn't make sense either. As of now its a complete HOTAS (hands on throttle and stick) setup for approach and go-around. If we put...
Forum: RV-7/7A 03-31-2021, 09:41 PM
Replies: 1,128
Views: 1,163,829
Posted By agent4573
Stick grip has AP disconnect, TOGA, flaps, PTT,...

Stick grip has AP disconnect, TOGA, flaps, PTT, and trim.
Forum: RV-7/7A 03-31-2021, 12:21 PM
Replies: 1,128
Views: 1,163,829
Posted By agent4573
This is in the mail, delivers in 2 days. Looking...

This is in the mail, delivers in 2 days. Looking forward to getting this part of the build complete.
Forum: My RV Build Project 03-11-2021, 05:17 PM
Replies: 704
Views: 242,139
Posted By agent4573
Congrats! You should come help me finish mine...

Congrats! You should come help me finish mine now....
Forum: RV-7/7A 02-24-2021, 04:35 PM
Replies: 21
Views: 4,224
Posted By agent4573
That looks beyond amazing. I gave up on my metal...

That looks beyond amazing. I gave up on my metal skirts quickly and just went with a fiberglass layup. Makes glueing everything together really easy.
Forum: RV-7/7A 02-11-2021, 01:58 PM
Replies: 18
Views: 1,480
Posted By agent4573
https://www.amazon.com/Rivet-Bucking-BAR-CLINCHING...

https://www.amazon.com/Rivet-Bucking-BAR-CLINCHING-Conjunction/dp/B07Z6NDB5N/

I used something similar to that and ground it down to fit.
Forum: California 02-09-2021, 02:24 PM
Replies: 5
Views: 1,090
Posted By agent4573
I've got a 7 in progress in mountain view. If you...

I've got a 7 in progress in mountain view. If you want to swing by and take a look, I'm not a professional, but have gotten pretty good at rivet driving and fiberglass work.
Forum: My RV Build Project 02-09-2021, 01:53 PM
Replies: 704
Views: 242,139
Posted By agent4573
You look way too tall to fit in that thing....

You look way too tall to fit in that thing. Congrats on getting it back together.
Forum: RV General Discussion/News 02-07-2021, 10:53 AM
Replies: 4
Views: 430
Posted By agent4573
I've had it cure in 4 hours when it's 90+ degrees...

I've had it cure in 4 hours when it's 90+ degrees and 50% humidity. I've also had to use the fast hardener to get it to set in 24 hours when it's 30 degrees overnight.
Forum: Propellers 02-02-2021, 04:54 PM
Replies: 8
Views: 1,385
Posted By agent4573
I'll have to take a look at these props. I've...

I'll have to take a look at these props. I've emailed hartzell 4 times asking about 3 blade options for the RVs and never heard a peep back from them. Didn't know they made one.
Forum: Safety 01-26-2021, 01:52 PM
Replies: 18
Views: 2,556
Posted By agent4573
I agree that static stiffness is should be linear...

I agree that static stiffness is should be linear until you reach deformation, but I think thats over-simplifying it. Most wings behave non-linearly once you look at them in a dynamic setting. I have...
Forum: Safety 01-26-2021, 11:20 AM
Replies: 18
Views: 2,556
Posted By agent4573
Pulling Gs reduces flutter, so flying beyond Vne...

Pulling Gs reduces flutter, so flying beyond Vne at 3g's is likely safer than flying it at 1g. Obviously this doesn't hold true for all elevated g (so don't go pull 6g while indicating 250 knots...
Forum: Fuel Injection Systems 01-23-2021, 11:55 AM
Replies: 10
Views: 1,022
Posted By agent4573
You're kinda screwed without a duplex valve. You...

You're kinda screwed without a duplex valve. You could plumb directly back into a single tank, let's say the left. You'd have to burn all the gas out of the left before switching to the right tank,...
Forum: Fiberglass 01-21-2021, 12:48 PM
Replies: 7
Views: 1,517
Posted By agent4573
I used a dremel sawmax to make the initial cut,...

I used a dremel sawmax to make the initial cut, then a piece of 60 grit sandpaper wrapped around a 1/2x1x12" piece of wood to sand the edge straight.
Forum: Safety 01-21-2021, 10:15 AM
Replies: 54
Views: 5,847
Posted By agent4573
We reuse Nordlocks pretty routinely on the vibe...

We reuse Nordlocks pretty routinely on the vibe tables at work. The locking design is implemented by the angle of the teeth, so unless you severely mangle the teeth, they'll still provide a locking...
Forum: RV Building Tips/Techniques 01-20-2021, 03:52 PM
Replies: 1
Views: 552
Posted By agent4573
Tail Lynx Info

I don't think the mods saw our request to make this its own thread, so I wanted to document the info that was in the classified ad before it gets deleted. Here's everything of substance I could find....
Forum: RV Building Tips/Techniques 01-17-2021, 06:06 PM
Replies: 1
Views: 354
Posted By agent4573
Half raven install questions

Trying to install a half raven system on an IO360 with a superior cold air sump. There's 5 fittings in the sump that look like they could all be used as return fittings. The raven kit says the return...
Forum: Reviews 01-15-2021, 11:33 PM
Replies: 1
Views: 512
Posted By agent4573
Smoke system helper - big thumbs up

Ordered a kit for the RV7 build. Got an email asking for some details an hour later and had the system on my door in under a week. I ordered a few extra optional parts during the install and they all...
Forum: Propellers 01-13-2021, 09:31 AM
Replies: 34
Views: 4,115
Posted By agent4573
I think Whirlwind hinted at a big point that I...

I think Whirlwind hinted at a big point that I overlooked when I first started looking at props. You have to define what you mean personally by "aerobatics". The entry level IAC maneuvers don't...
Forum: RV-7/7A 01-12-2021, 04:31 PM
Replies: 7
Views: 642
Posted By agent4573
Think I settled on 1/2" PVC. Plenty of room so...

Think I settled on 1/2" PVC. Plenty of room so far for everything.
Forum: RV-7/7A 01-12-2021, 01:32 PM
Replies: 7
Views: 642
Posted By agent4573
I went with PVC tubing down the rib holes because...

I went with PVC tubing down the rib holes because the Van's conduit didn't appeal to me. Its also smooth on the inside so running extra wires later is very easy. Used Panduit MHSS-S6-D lightening...
Forum: Traditional Aircraft Engines 01-10-2021, 10:43 AM
Replies: 26
Views: 5,186
Posted By agent4573
It's lighter than the 360, but you could always...

It's lighter than the 360, but you could always put it on a 320 mount which moves it a few inches forward to keep the cg in range with a light motor and prop.
Forum: Traditional Aircraft Engines 01-08-2021, 05:25 PM
Replies: 26
Views: 5,186
Posted By agent4573
Lycoming cam on top design tends to get corrosion...

Lycoming cam on top design tends to get corrosion on the camshaft easier than the certified continental cam on bottom design. Since the Lycoming cam is higher up, its the first piece that the oil...
Forum: RV General Discussion/News 01-08-2021, 05:13 PM
Replies: 15
Views: 1,784
Posted By agent4573
If you can find the 28 volt lights that you like...

If you can find the 28 volt lights that you like for sale, a small step up converter can be made or bought for under 50 bucks to drive the 28 volt lights off of 12 volts systems.
Forum: Traditional Aircraft Engines 01-07-2021, 10:46 AM
Replies: 26
Views: 5,186
Posted By agent4573
I went with the Titan IO-370 from Aero Sport. I...

I went with the Titan IO-370 from Aero Sport. I tried talking to the Thunderbolt rep at Oshkosh and he couldn't be bothered to give me the time of day. I couldn't figure out what, if any accessories...
Forum: RV-7/7A 01-07-2021, 10:34 AM
Replies: 12
Views: 1,338
Posted By agent4573
I'm fine with aluminum fittings in the engine...

I'm fine with aluminum fittings in the engine bay, but all my fitting on the firewall itself will be stainless or plated steel. An engine fire thats bad enough to melt an aluminum AN fitting in the...
Forum: RV Building Tips/Techniques 01-06-2021, 04:10 PM
Replies: 6
Views: 802
Posted By agent4573
It does, but it also says follow the...

It does, but it also says follow the manufacturer's installation instructions, and Comant doesn't mention anything in their guide about extending to structural members. It simply states "use of a...
Forum: RV Building Tips/Techniques 01-06-2021, 10:01 AM
Replies: 6
Views: 802
Posted By agent4573
Even your response seems to support the fact that...

Even your response seems to support the fact that this is a black art. You say a doubler only moves the cracks to the edge of the doubler (and I agree, just making the argument), but almost every...
Forum: RV Building Tips/Techniques 01-05-2021, 01:18 PM
Replies: 6
Views: 802
Posted By agent4573
Doubler/Backing Plate Questions... when are they needed?

I've read through 43-13 and can't seem to find any information on how to determine the need for a backing plate or a doubler unless you're looking to repair damage. Nothing on preventing damage with...
Forum: RV-7/7A 01-04-2021, 09:46 AM
Replies: 5
Views: 817
Posted By agent4573
I Just did this to my build. On the mains, no...

I Just did this to my build. On the mains, no tail or wings, but the aft end still in the cradle to keep it level. It's basically neutrally balanced right now with zero weight on the tail. I strapped...
Forum: My RV Build Project 12-30-2020, 07:00 PM
Replies: 21
Views: 6,198
Posted By agent4573
Finished up the canopy fairing. Like the rest of...

Finished up the canopy fairing. Like the rest of my fiberglass, it's not perfect, but it fits great and is plenty good to go to the painters. I also got the main gear on and hung the engine. The...
Forum: Alternative Engines 12-27-2020, 10:44 AM
Replies: 34
Views: 4,971
Posted By agent4573
There isn't a mention of an O2 sensor on the...

There isn't a mention of an O2 sensor on the site, but the kitplanes article about the motors says if you lose a sensor they run a richer fuel map. I think your right theres no closed loop control,...
Forum: Alternative Engines 12-23-2020, 10:34 AM
Replies: 34
Views: 4,971
Posted By agent4573
I would imagine the fuel burn would be the same...

I would imagine the fuel burn would be the same or less than an equivalent power lycoming. The block is forged and machined aluminum, which is a better heat conductor than the cast iron blocks on...
Forum: RV Building Tips/Techniques 12-22-2020, 11:06 PM
Replies: 22
Views: 1,933
Posted By agent4573
I haven't reached this stage yet, but looking at...

I haven't reached this stage yet, but looking at your setup, here's how I would approach it. Use a protractor and measure the angle that the trays make with the IP. Remove the trays and install the...
Forum: Safety 12-22-2020, 10:10 PM
Replies: 28
Views: 3,214
Posted By agent4573
I ordered an extra oil pressure sensor from...

I ordered an extra oil pressure sensor from garmin when I ordered my engine sensor kit. I believe the analogue gauge and the garmin sender are both 1/4 npt, so I should be able to just swap em out...
Forum: Safety 12-22-2020, 05:03 PM
Replies: 28
Views: 3,214
Posted By agent4573
Thats why I'm planning on running an electronic...

Thats why I'm planning on running an electronic oil pressure sensor on my accumulator instead of the dial gauge that's included with it. It'll be plumbed into the g3x and the gas precharge will be...
Forum: Alternative Engines 12-22-2020, 04:07 PM
Replies: 34
Views: 4,971
Posted By agent4573
We seriously considered going with them for our 7...

We seriously considered going with them for our 7 build. They have a complete firewall forward kit they can sell you as well to make the cowl, mount, etc. easy to get in place. We really liked the...
Forum: Reviews 12-22-2020, 03:58 PM
Replies: 18
Views: 3,306
Posted By agent4573
I called and spoke with Newton about using the V9...

I called and spoke with Newton about using the V9 valve. They recommended against it with the SDS system. I know we're experimental and can likely get away with a lot that isn't recommended, but it...
Forum: Traditional Aircraft Engines 12-22-2020, 11:51 AM
Replies: 3
Views: 770
Posted By agent4573
Your exhaust gasses are 1200+ degrees. Your oil...

Your exhaust gasses are 1200+ degrees. Your oil temp is 200ish degrees. You're going to have a hard time getting any decent amount of airflow heated to a comfortable level by running it through...
Forum: RV General Discussion/News 12-21-2020, 06:32 PM
Replies: 3
Views: 456
Posted By agent4573
Can you hang the engine on a fuselage stand?

In the next week or so I'll be ready to hang the engine and start the firewall forward portion of the build. I would like to leave the fuselage on the cradle to do this because it keeps it level and...
Forum: RV General Discussion/News 12-21-2020, 11:44 AM
Replies: 45
Views: 5,936
Posted By agent4573
I agree, the RVs tend to be less stable (more...

I agree, the RVs tend to be less stable (more finicky?) then some certified counterparts. I've got a few hours under the hood hand flying a Cessna with a 6 pack and it doesn't scare me at all. Hours...
Forum: Reviews 12-17-2020, 04:47 PM
Replies: 18
Views: 3,306
Posted By agent4573
Pile on to my experience with Andair. I ordered...

Pile on to my experience with Andair. I ordered some replacement AN fittings to go with the TS Flightlines fuel hoses and just installed them today (Needed some 90 degree fittings and I ordered all...
Forum: RV Building Tips/Techniques 12-16-2020, 02:29 PM
Replies: 25
Views: 3,378
Posted By agent4573
About 1 PSI is the maximum pressure your pitot...

About 1 PSI is the maximum pressure your pitot line will see.

https://www.steinair.com/product/fitting-straight-pitot-union-connector-1-4-to-3-16-adapter/

That adapter lets you connect the 3/16...
Forum: My RV Build Project 12-16-2020, 02:15 PM
Replies: 21
Views: 6,198
Posted By agent4573
I just did the upper piece. It wouldn't have been...

I just did the upper piece. It wouldn't have been hard to do the lower as well, but the metal lowers fit pretty well after a trim, and I don't think I'll take them off the plane except for paint. The...
Forum: RV Building Tips/Techniques 12-11-2020, 12:17 PM
Replies: 21
Views: 4,642
Posted By agent4573
Sorry these are so small, but here's what happens...

Sorry these are so small, but here's what happens if a braided oil line chafes your engine mount.

>>From the Moderator: Just tap or click the image thumbnail and it’ll open in larger living color in...
Forum: My RV Build Project 12-08-2020, 07:12 PM
Replies: 21
Views: 6,198
Posted By agent4573
After the lower cap was done I moved on to the...

After the lower cap was done I moved on to the top of the rudder and vertical. These were in no way aligned and I really didn't like the look. After some suggestions in another thread that leaned...
Forum: My RV Build Project 12-08-2020, 06:50 PM
Replies: 21
Views: 6,198
Posted By agent4573
Been doing a whole lot of fiberglass work lately....

Been doing a whole lot of fiberglass work lately. I have zero previous experience with glass work, so this all took me way longer than it should have. Started with the horizontal stabs and elevators....
Forum: Propellers 12-03-2020, 02:40 PM
Replies: 19
Views: 1,645
Posted By agent4573
My guess would be hysteresis caused by a little...

My guess would be hysteresis caused by a little bit of stiction in the governor. If you're holding a valve closed with a spring and try to open it by lowering the amount of load on the spring, you...
Forum: RV Building Tips/Techniques 12-02-2020, 03:21 PM
Replies: 29
Views: 2,401
Posted By agent4573
First thought:...

First thought: https://www.mcmaster.com/detent-springs/press-fit-ball-nose-spring-plungers-6/

Build a bracket on the engine side that holds this perpendicular to the prop governor arm. The bracket...
Forum: Alternative Engines 11-30-2020, 01:54 PM
Replies: 15
Views: 2,439
Posted By agent4573
14 CFR 33 only requires 150 hour endurance run...

14 CFR 33 only requires 150 hour endurance run for certification. It wouldn't surprise me if they cover all certification requirements in the first 300 hours of testing and apply for initial...
Forum: RV Building Tips/Techniques 11-19-2020, 04:10 PM
Replies: 14
Views: 1,946
Posted By agent4573
https://www.tcwtech.com/product/control-valve-serv...

https://www.tcwtech.com/product/control-valve-servo-kit/?v=7516fd43adaa

Little more info about the TCW actuator kit.
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