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Search: Posts Made By: jacoby
Forum: Tools 11-23-2022, 09:00 AM
Replies: 12
Views: 739
Posted By jacoby
Drill speeds too low plus incorrect pressure can...

Drill speeds too low plus incorrect pressure can lead to the tri-lobe shape in sheet metal. It's because of the two cutting flutes and flex in the bit. It's impossible to avoid without using a reamer...
Forum: RV Building Tips/Techniques 11-09-2022, 10:55 AM
Replies: 14
Views: 716
Posted By jacoby
Eh... you're talking like $0.40/ea more. That...

Eh... you're talking like $0.40/ea more. That would add maybe $10 to the build.
Forum: Alternative Engines 11-09-2022, 10:52 AM
Replies: 85
Views: 7,427
Posted By jacoby
The author has a second white paper referenced...

The author has a second white paper referenced from the Merlin paper that does an even deeper dive on TV (although without a PSRU): The Liberty Engine and Torsional Vibration...
Forum: RV Building Tips/Techniques 11-09-2022, 10:03 AM
Replies: 14
Views: 716
Posted By jacoby
I've often wondered why Van's doesn't call out...

I've often wondered why Van's doesn't call out MS17825 nuts on the control system. It's the best of both options combined.
Forum: Alternative Engines 11-09-2022, 09:53 AM
Replies: 85
Views: 7,427
Posted By jacoby
Speaking of the Merlin, here is a PDF on its TV:...

Speaking of the Merlin, here is a PDF on its TV: An Examination of the Torsional Vibration Characteristics of the Allison V-1710 and Rolls-Royce Merlin Aircraft Engines...
Forum: Painting your RV 10-26-2022, 10:31 AM
Replies: 30
Views: 3,173
Posted By jacoby
FWIW, you can get 8 gallons of the Akzo primer...

FWIW, you can get 8 gallons of the Akzo primer for that price from skygeek + shipping. Or about 6 gallons from SPI, shipped.
Forum: RV-8/8A 10-21-2022, 12:01 PM
Replies: 2
Views: 622
Posted By jacoby
ACS, skygeek, Van's are all showing proseal and...

ACS, skygeek, Van's are all showing proseal and chemseal/flamemaster B2 in stock for me.
Forum: Tools 10-21-2022, 10:50 AM
Replies: 12
Views: 960
Posted By jacoby
I have several hours with the hobby air and the...

I have several hours with the hobby air and the whine is deafening. I actually avoid using it as much as possible because of it.

The problem seems to be one of the valves acts like a whistle at some...
Forum: RV Ongoing Maintenance Issues 10-21-2022, 10:45 AM
Replies: 14
Views: 1,679
Posted By jacoby
What have you bought that didn't work? Based on...

What have you bought that didn't work?

Based on those dimensions it looks like a AN822-2D
Forum: RV-10 10-21-2022, 10:11 AM
Replies: 20
Views: 3,137
Posted By jacoby
Looking at the chips you have a timer and (i...

Looking at the chips you have a timer and (i believe) a clock oscillator. Combined with the mosfet for output control and a transistor to trigger the switch based on the oscillator.

My guess is a...
Forum: RV-10 10-17-2022, 12:51 PM
Replies: 8
Views: 1,201
Posted By jacoby
In your pic it sure looks like the whole weldment...

In your pic it sure looks like the whole weldment needs to rotate CCW a bit.

Have you checked that the drill template lines up with the weldment? That'll let you know if your weldment was drilled...
Forum: RV General Discussion/News 10-06-2022, 09:50 AM
Replies: 42
Views: 5,114
Posted By jacoby
The "random bag of similar hardware" is always...

The "random bag of similar hardware" is always fun to sift through.

FWIW, you can use NAS in place of AN but not vice-versa. The NAS hold tighter tolerances for thickness.
Forum: RV General Discussion/News 09-12-2022, 02:30 PM
Replies: 9
Views: 1,014
Posted By jacoby
Asheville EAA chapter 1016 is meeting in...

Asheville EAA chapter 1016 is meeting in Hendersonville tomorrow at the WNC air museum. Have your friend drop in and say hi. Food starts at 6 and the presentation at 6:30.

Edit: I think we've got...
Forum: RV-10 08-05-2022, 05:45 PM
Replies: 6
Views: 1,071
Posted By jacoby
On my late 2019/early 2020 wing kit I had to...

On my late 2019/early 2020 wing kit I had to remove a lot of material to clear the new style 2021 weldments. Over 1/8” in places. I wouldn’t want to try and fit them later. The new center spars have...
Forum: RV Building Tips/Techniques 08-05-2022, 11:26 AM
Replies: 21
Views: 2,530
Posted By jacoby
that looks like an aircraft spruce sticker. it...

that looks like an aircraft spruce sticker.

it was spelled correctly later in the label. it's possible henkel had a typo.
Forum: RV Building Tips/Techniques 08-05-2022, 11:24 AM
Replies: 5
Views: 853
Posted By jacoby
CCR264SS is pretty much your only...

CCR264SS is pretty much your only option.

https://www.cherryaerospace.com/docs/catalogs/CA-1036.pdf

https://www.wicksaircraft.com/shop/stainless-steel-cherry-rivet/

(pic shows the 274 universal...
Forum: Southeast 07-28-2022, 10:39 AM
Replies: 6
Views: 1,238
Posted By jacoby
In NC all of those are variable by county other...

In NC all of those are variable by county other than income tax - that's 4.99% no matter what you make.

Sales tax is around 7% throughout the state but it's also variable on where you live/are and...
Forum: Tools 06-30-2022, 12:10 PM
Replies: 11
Views: 1,227
Posted By jacoby
i do some woodworking so I use a magnetic angle...

i do some woodworking so I use a magnetic angle gauge. it's compact and can be taped to the control surface or a larger piece of angle and has a zero option. well worth the ~$30. I have the Wixey but...
Forum: Electrical Systems 05-23-2022, 03:09 PM
Replies: 23
Views: 3,597
Posted By jacoby
go here:...

go here: https://store.vansaircraft.com/10-flap-motor-retrofit-kit.html

click on "kit contents" and you'll see the motor is included.
Forum: RV-10 05-09-2022, 01:23 PM
Replies: 6
Views: 905
Posted By jacoby
Looking at the kit and bits it looks like you'll...

Looking at the kit and bits it looks like you'll have to match drill the spacers using the bracket as a guide and substitute the part numbers for angles and bushings as you go. And then use the...
Forum: Tools 04-19-2022, 03:00 PM
Replies: 25
Views: 3,111
Posted By jacoby
I've had good luck with sharkhide. It's kinda...

I've had good luck with sharkhide. It's kinda expensive but worked to keep a polished aluminum bezel on the front of a truck kept outside looking shiny for years.

I don't know if using it on a brake...
Forum: RV Building Tips/Techniques 03-15-2022, 08:42 AM
Replies: 22
Views: 4,402
Posted By jacoby
I made a modified "Paulk" workbench...

I made a modified "Paulk" workbench (https://stores.modularmarket.com/paulk_homes/index.php) like Jay Bates did here: https://jayscustomcreations.com/2015/06/modified-paulk-workbench/. I didn't need...
Forum: Painting your RV 03-08-2022, 09:49 AM
Replies: 19
Views: 2,565
Posted By jacoby
When laying out curves with the fine line tape...

When laying out curves with the fine line tape make sure you have enough tape off of the roll. You generally want at least a chest's width to work with. longer curves get more, shorter curves get...
Forum: RV General Discussion/News 12-30-2021, 11:33 AM
Replies: 31
Views: 4,921
Posted By jacoby
It seems to be. My 10 fuse kit arrived last month...

It seems to be. My 10 fuse kit arrived last month and almost everything was final sized, including the bits marked as not final sized. I've only found about a few dozen holes so far (normally screw...
Forum: Tools 12-29-2021, 09:15 AM
Replies: 5
Views: 789
Posted By jacoby
1" flush set - yes that's the diameter. All of...

1" flush set - yes that's the diameter. All of the sets you will use will have the .401" shank. The diameter isn't critical honestly but the larger sets are a bit easier to control. You may have...
Forum: RV-12/RV-12iS 12-27-2021, 11:10 AM
Replies: 16
Views: 3,431
Posted By jacoby
They do on the 12iS in the description, eg:...

They do on the 12iS in the description, eg: "RV-12iS Powerplant kits delivered prior to Oct 10, 2019 and SLSA aircraft 12076-12080". But even that's a bit ambiguous given the lead times between...
Forum: RV-10 12-02-2021, 12:26 PM
Replies: 3
Views: 1,299
Posted By jacoby
Grab a rib and see how it fits into the spar....

Grab a rib and see how it fits into the spar. There are two -3 rivet holes in the flange of the rib that mate up with holes in the flange of the spar. For the outboard leading edge they get used to...
Forum: Electrical Systems 11-30-2021, 04:36 PM
Replies: 32
Views: 4,201
Posted By jacoby
Fluke is the gold standard here. However the...

Fluke is the gold standard here. However the AstroAI true RMS units are $30 and are 95% as capable as a $500-600 Fluke is for DC purposes. I wouldn’t rely on it for industrial use or high voltage AC....
Forum: RV Building Tips/Techniques 11-23-2021, 01:09 PM
Replies: 8
Views: 1,564
Posted By jacoby
Anyone know what the little retaining rings are...

Anyone know what the little retaining rings are called? I've made a couple of sets but without the retaining ring they like to fall out of the squeezer.
Forum: RV Ongoing Maintenance Issues 11-22-2021, 12:04 PM
Replies: 3
Views: 906
Posted By jacoby
CCR-264SS-3-2 CherryMAX Rivet...

CCR-264SS-3-2 CherryMAX Rivet (https://store.vansaircraft.com/ccr-264ss-3-2-cherrymax-rivet-rivet-ccr-264ss-3-2.html) (there is also one with a 3/16 grip if needed)
Forum: Electrical Systems 11-16-2021, 08:53 AM
Replies: 13
Views: 4,897
Posted By jacoby
You can get solid state contactors for $100-$200,...

You can get solid state contactors for $100-$200, up to 200A continuous. And lower amperage solid state relays for $10-$15.
Forum: RV-10 11-14-2021, 09:33 AM
Replies: 22
Views: 4,495
Posted By jacoby
Yeah exactly. I did a rough timing of how long it...

Yeah exactly. I did a rough timing of how long it took me to do a fairly simple final drill operation: the rear spar seat supports and uprights. 120 holes in total took about 30 minutes from the time...
Forum: RV-10 11-12-2021, 12:58 PM
Replies: 22
Views: 4,495
Posted By jacoby
derp.. yes! haha. edit: also 5 hours feels low....

derp.. yes! haha.

edit: also 5 hours feels low. I have at least that in the wing skins between getting them on, moving clecos, and the actual drilling (and waiting on the compressor).
Forum: RV-10 11-12-2021, 12:03 PM
Replies: 22
Views: 4,495
Posted By jacoby
You'd be surprised. If there are some 20000...

You'd be surprised. If there are some 20000 rivets in the 10 and you save 1s per rivet, that's over 300 hours saved!
Forum: RV General Discussion/News 11-12-2021, 11:02 AM
Replies: 39
Views: 5,795
Posted By jacoby
I just installed a dozen Earls fittings in a C10...

I just installed a dozen Earls fittings in a C10 for an EFI conversion. Still good quality. They look as good as the ones stamped AN. They only have a 2a class thread though.
Forum: RV General Discussion/News 11-12-2021, 10:34 AM
Replies: 39
Views: 5,795
Posted By jacoby
If you really want stainless AN/NPT fittings,...

If you really want stainless AN/NPT fittings, McMaster carries them in two grades with the class 3 thread:...
Forum: RV-10 11-01-2021, 08:04 AM
Replies: 14
Views: 4,098
Posted By jacoby
It's hard to tell but from those pics it looks...

It's hard to tell but from those pics it looks like nearly every hole is countersunk too deep. I don't have the spec in front of me, but from memory, the rivet should sit -0.00 - +0.005" in the hole....
Forum: RV-10 09-20-2021, 10:35 AM
Replies: 21
Views: 3,891
Posted By jacoby
FWIW I spoke with Van's and it's a different...

FWIW I spoke with Van's and it's a different motor and installation. There are no parts available for purchase yet so the conversion requirements are unknown.

The recommendation I received was to...
Forum: Primers 09-09-2021, 05:44 PM
Replies: 6
Views: 1,707
Posted By jacoby
I was simplifying things. You get 7 days without...

I was simplifying things. You get 7 days without any additional prep. 7-30 days sand with 180 and then topcoat. After 30 it’s sand with 180, prime, and then topcoat. The chances of getting through...
Forum: Primers 09-09-2021, 01:31 PM
Replies: 6
Views: 1,707
Posted By jacoby
SPI Epoxy primer has UV-resistance but it...

SPI Epoxy primer has UV-resistance but it requires up to 4 hours of induction time. See their TDS...
Forum: RV General Discussion/News 08-30-2021, 05:19 PM
Replies: 28
Views: 6,343
Posted By jacoby
Lucky! I ordered my 10 fuse in January. I watched...

Lucky! I ordered my 10 fuse in January. I watched as lead time went up and up. I’m expecting it to arrive in October. It actually went to crating a few weeks later than it should have but that was...
Forum: RV General Discussion/News 08-30-2021, 05:00 PM
Replies: 28
Views: 6,343
Posted By jacoby
The lead times are too short too. The lead times...

The lead times are too short too. The lead times quoted on vans site is to go to crating. Then you have another 6-8 weeks wait in crating and then another week for shipping. (Although I suspect...
Forum: RV-14 08-23-2021, 10:43 AM
Replies: 5
Views: 1,925
Posted By jacoby
+1 on this. Bought it from amazon, the roll was...

+1 on this. Bought it from amazon, the roll was full sized but it was heat damaged/old and wouldn't peel cleanly and wouldn't stick well. I returned it. The rolls I've gotten from van's have been...
Forum: Fiberglass 08-20-2021, 01:13 PM
Replies: 24
Views: 24,448
Posted By jacoby
I put down a fillet of epoxy & micro to alleviate...

I put down a fillet of epoxy & micro to alleviate that problem. The 7725 I used just wasn't going to make the full 90 bend without leaving bubbles. I also used a 1/4" thick piece of structural foam...
Forum: RV Ongoing Maintenance Issues 08-02-2021, 08:28 AM
Replies: 8
Views: 1,584
Posted By jacoby
Working time. 1/2-hour vs 2 hours, respectively.

Working time. 1/2-hour vs 2 hours, respectively.
Forum: RV Building Tips/Techniques 07-27-2021, 11:20 AM
Replies: 12
Views: 2,021
Posted By jacoby
The -10 and -14 are not like other models. There...

The -10 and -14 are not like other models. There is no large access panel on the root rib. All you get is the ~2" hole for the sending unit. You aren't going to be able to do anything in that small...
Forum: RV models of the future (RV-??) 07-26-2021, 10:01 AM
Replies: 117
Views: 44,949
Posted By jacoby
did they say what changed?

did they say what changed?
Forum: RV-10 07-20-2021, 08:52 AM
Replies: 9
Views: 1,651
Posted By jacoby
Here is what I changed (mine should have gone to...

Here is what I changed (mine should have gone to crating yesterday):

ADD:
- SB-00002 rudder hinge kit
- 1ea. ACCESS PANEL KIT - ACCESS HATCH INSTL FOR RV7/9/10/14
- 1ea. 10 ADAHRS BRACKET KIT -...
Forum: RV General Discussion/News 07-16-2021, 03:13 PM
Replies: 29
Views: 5,524
Posted By jacoby
d'oh that was my mistake. i'll edit the other...

d'oh that was my mistake. i'll edit the other post. you are correct - it should be DEEPER. I haven't had any holes in the TE wedge get that big in my build. They all just barely kiss at the shallow...
Forum: RV General Discussion/News 07-16-2021, 02:13 PM
Replies: 29
Views: 5,524
Posted By jacoby
It looks like your countersinks were too deep....

It looks like your countersinks were too deep. You should be setting the cage to flush PLUS 7 clicks. In other words, the rivet should sit 0.007" below the surface. see section 5.5 and the drawing...
Forum: RV General Discussion/News 05-24-2021, 11:28 AM
Replies: 8
Views: 2,581
Posted By jacoby
#8 screw is 0.164" nominal and a #19 drill is...

#8 screw is 0.164" nominal and a #19 drill is 0.166". Your countersink pilot is too big.
Forum: RV Building Tips/Techniques 04-01-2021, 07:17 AM
Replies: 10
Views: 1,363
Posted By jacoby
On my 10 I ended up making a fixture and turning...

On my 10 I ended up making a fixture and turning them down to be a light press fit. From memory it was about 0.002” I had to remove even after removing the primer from the torque tube and the insert....
Forum: RV-10 03-30-2021, 01:34 PM
Replies: 7
Views: 1,359
Posted By jacoby
Finish kit is currently 10 months vs the 6 months...

Finish kit is currently 10 months vs the 6 months for the wing.
Forum: RV General Discussion/News 03-29-2021, 06:36 AM
Replies: 59
Views: 7,866
Posted By jacoby
Oh if we are going down this path, technically...

Oh if we are going down this path, technically you attach a screw to a nut to make a bolt.

And a dampener makes things damp.
Forum: RV-10 03-26-2021, 04:45 PM
Replies: 24
Views: 6,143
Posted By jacoby
Stall warning is included. If you decide to not...

Stall warning is included. If you decide to not install the stall warning all you have to do is fill a couple of rivet holes and you'll gain an extra access panel and some wire and a couple of...
Forum: RV-10 03-26-2021, 08:52 AM
Replies: 8
Views: 1,154
Posted By jacoby
The longerons on the 10 are split. You get half...

The longerons on the 10 are split. You get half with the tailcone and half with the fuse kit. There are no fuselage parts in the wing kit.


I would (and did) add an extra piece of J-channel. It's...
Forum: RV-10 03-19-2021, 11:02 AM
Replies: 13
Views: 1,795
Posted By jacoby
I have a highly modified 1-1/2" yoke that will...

I have a highly modified 1-1/2" yoke that will fit anywhere the upper set will fit, the longeron yoke, and a 4" yoke. I use them in that order probably about 85%/14%/1%.

I use the 1-1/2" for...
Forum: RV-10 03-08-2021, 10:48 AM
Replies: 10
Views: 2,491
Posted By jacoby
Email support and ask for the instructions for...

Email support and ask for the instructions for SL-00033 or send me a PM and I'll email it to you. I'm not sure why they haven't posted it yet. You should have received an email from them outlining...
Forum: Fuel Injection Systems 02-26-2021, 11:48 AM
Replies: 91
Views: 21,380
Posted By jacoby
My understanding is semi-sequential is similar to...

My understanding is semi-sequential is similar to wasted spark but for injectors. So instead of firing all [4,6] injectors at the same time you fire pairs twice per revolution. At least that's how...
Forum: RV-10 02-22-2021, 03:08 PM
Replies: 3
Views: 1,039
Posted By jacoby
Pitot Mast Recommendation

I'm looking for feedback on the 3 pitot mast options out there: The blue Avery, the gold Dynon, and the steel Gretz.

I have not decided on an avionics package so I'd like to keep my options open a...
Forum: RV General Discussion/News 02-11-2021, 12:28 PM
Replies: 9
Views: 1,570
Posted By jacoby
I used this one -...

I used this one - https://www.amazon.com/Cardinal-11-Inch-17-Inch-ClearVue-22132/dp/B001PMI1VM/ref=sr_1_2?dchild=1&keywords=d-ring+binder+11x17&qid=1613067957&s=office-products&sr=1-2 and i bought...
Forum: RV-10 02-05-2021, 08:05 AM
Replies: 3
Views: 1,466
Posted By jacoby
For those of us with untouched center sections,...

For those of us with untouched center sections, will you put the instructions for the mod on the site so we can see what's required? I assume the mod service is exclusive of shipping? What is the mod...
Forum: RV General Discussion/News 02-02-2021, 04:19 PM
Replies: 1
Views: 655
Posted By jacoby
Vans carries it. Search the catalog for “VHB.” I...

Vans carries it. Search the catalog for “VHB.”

I used the tape for all of the trailing edges on my 10. It’s easy to apply, doesn’t smell, doesn’t require much set time, doesn’t expire, doesn’t stain...
Forum: RV-14 01-29-2021, 09:20 AM
Replies: 13
Views: 4,774
Posted By jacoby
Yeah, the green stuff is basically permanent,...

Yeah, the green stuff is basically permanent, especially if you're talking about a fuel valve. Nobody is going to heat it up to remove the screws. I've used the green stuff to make fixtures and...
Showing results 1 to 64 of 327

 
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