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Search: Posts Made By: crabandy
Forum: My RV Build Project 02-12-2018, 10:56 PM
Replies: 583
Views: 232,419
Posted By crabandy
Hooking up the EarthX fault wire couldn't have...

Hooking up the EarthX fault wire couldn't have been easier thanks to their excellent manual. 1 wire to a discreet input into the G3X, I temporarily grounded the wire to test the annunciation as it...
Forum: My RV Build Project 02-12-2018, 04:00 PM
Replies: 583
Views: 232,419
Posted By crabandy
Hi Kathy, I believe I just spoke to you on the...

Hi Kathy, I believe I just spoke to you on the phone about chargers for my EarthX. Thanks for answering all my questions!
I understand the battery is designed to provide power as rated after an...
Forum: My RV Build Project 02-12-2018, 09:51 AM
Replies: 583
Views: 232,419
Posted By crabandy
Yes, Overvoltage protection via PlanePower Alt...

Yes, Overvoltage protection via PlanePower Alt and B&C SD8/crowbar module. I also reset the voltage parameters/alerts in th G3X as suggested in the EarthX manual. I’ve hooked up the fault wire to a...
Forum: My RV Build Project 02-11-2018, 10:37 PM
Replies: 583
Views: 232,419
Posted By crabandy
The bendable retention flange wasn't so bendable,...

The bendable retention flange wasn't so bendable, I ended up using a couple small angles on the side of the box and little tabs as hold downs. After lots of holes it weighed 6.9 oz , I'm curious if...
Forum: My RV Build Project 02-06-2018, 09:51 PM
Replies: 583
Views: 232,419
Posted By crabandy
I used 2X4's along with a scrap chunk of 2X4 and...

I used 2X4's along with a scrap chunk of 2X4 and a hammer to bend the smaller lower flanges, I pre-plan the bending as much as possible but on multiple bends you usually have to compromise....
Forum: My RV Build Project 02-06-2018, 09:36 PM
Replies: 583
Views: 232,419
Posted By crabandy
It's been a while.... AnyWho, I've got a litter...

It's been a while....
AnyWho, I've got a litter of older Odyssey PC680's littering my hangar shelves. Seems after 1 year they fail to start the airplane, take a correct charge etc. I've put in...
Forum: My RV Build Project 02-05-2018, 09:03 PM
Replies: 583
Views: 232,419
Posted By crabandy
Pic test after Photobucket went...

Pic test after Photobucket went rogue..

https://andycrabtree.smugmug.com/My-First-Gallery/i-dmNDVPd
Forum: My RV Build Project 06-13-2017, 12:44 PM
Replies: 583
Views: 232,419
Posted By crabandy
New lower oil cooler duct...

New lower oil cooler duct...
Forum: My RV Build Project 06-12-2017, 09:09 PM
Replies: 583
Views: 232,419
Posted By crabandy
Several tanks of fuel later, #4 cylinder dropped...

Several tanks of fuel later, #4 cylinder dropped 15* and is now right in line with #3 in climb and all cylinders in cruise. Oil temp is close to the same, the lower duct was consistently showing .25...
Forum: My RV Build Project 04-22-2017, 08:34 PM
Replies: 583
Views: 232,419
Posted By crabandy
Ground run and subsequent test flight went well....

Ground run and subsequent test flight went well. The boot does transmit quite a bit of vibration to the oil cooler and the fiberglass duct at idle, above 1000RPM it barely moves. Part of me thinks I...
Forum: My RV Build Project 04-21-2017, 09:42 PM
Replies: 583
Views: 232,419
Posted By crabandy
Hahaha, QA inspector Lil' Dude also reorganizing...

Hahaha, QA inspector Lil' Dude also reorganizing the "upper" drawers on the toolbox. At least I used to have a vague idea where things were...
Forum: My RV Build Project 04-21-2017, 08:05 PM
Replies: 583
Views: 232,419
Posted By crabandy
I finally assembled it...

I finally assembled it...
Forum: My RV Build Project 04-14-2017, 10:10 PM
Replies: 583
Views: 232,419
Posted By crabandy
I installed the rear baffling piece and RTV'd the...

I installed the rear baffling piece and RTV'd the Oil Cooler Boot to the baffling. The extra bracing around the oil cooler junction left the ol' center case to baffling angle brace unneeded so I...
Forum: My RV Build Project 04-09-2017, 05:47 PM
Replies: 583
Views: 232,419
Posted By crabandy
I made Z-Brackets for the other sides of the...

I made Z-Brackets for the other sides of the...
Forum: My RV Build Project 04-03-2017, 08:53 PM
Replies: 583
Views: 232,419
Posted By crabandy
I'm really kicking myself for the workmanship on...

I'm really kicking myself for the workmanship on the upper flange. I was hurrying to finish it up before work and it was off square and not quite big enough. Enough about the lemons the new flanges...
Forum: My RV Build Project 04-02-2017, 01:50 PM
Replies: 583
Views: 232,419
Posted By crabandy
Dan, That was kinda my original plan and might...

Dan,
That was kinda my original plan and might still work if I remove a bit of the rubber, I have plenty of thickness. Problem is removing the rubber, this stuff is tuff!

I think a little time...
Forum: My RV Build Project 04-02-2017, 12:41 AM
Replies: 583
Views: 232,419
Posted By crabandy
Popped the mold and styrofoam out and trimmed it...

Popped the mold and styrofoam out and trimmed it up slightly. The lower flange near my thumb is pretty much non-existent, the flange and body of the duct pretty much just joined together. I should've...
Forum: My RV Build Project 03-30-2017, 07:47 PM
Replies: 583
Views: 232,419
Posted By crabandy
I made a base to mold the flange out of a plastic...

I made a base to mold the flange out of a plastic Wal-Mart cutting board, I cut up an old yard stick and covered it in waxed tape for the sides of the mold. I used scrap 2X4's under the base because...
Forum: My RV Build Project 03-23-2017, 10:57 PM
Replies: 583
Views: 232,419
Posted By crabandy
Bruce, I ocassionally enjoy a Tank7 but hard to...

Bruce,
I ocassionally enjoy a Tank7 but hard to beat a Blvd Pale!

Bob,
My shop and handiwork are way worse in person, both a work in progress.

I do try to do most cutting and sanding outside,...
Forum: My RV Build Project 03-21-2017, 08:52 PM
Replies: 583
Views: 232,419
Posted By crabandy
With the lower duct and cooler clamped in place I...

With the lower duct and cooler clamped in place I found it easiest to cut the individual piece of foam to fit and them glue them together with...
Forum: My RV Build Project 03-17-2017, 12:22 PM
Replies: 583
Views: 232,419
Posted By crabandy
I'll do the water test but I'm pretty sure you're...

I'll do the water test but I'm pretty sure you're right.

I used some cardboard scraps and paint stir sticks to position some flanges on the duct, I used the DanH fiberglass method of wetting the...
Forum: My RV Build Project 03-17-2017, 12:22 AM
Replies: 583
Views: 232,419
Posted By crabandy
Thanks for the water puddle drying in the bottom...

Thanks for the water puddle drying in the bottom DanH, makes sense but never seen water pooled there.

Mark, I'm still wrapping my head around this interior duct although the bluff body is something...
Forum: My RV Build Project 03-15-2017, 08:59 PM
Replies: 583
Views: 232,419
Posted By crabandy
I noticed the same forward motion of the engine...

I noticed the same forward motion of the engine on my cowling-2-prop seal, I'm guessing a solid 1/4 inch or more.
As of now I'm leaning towards a flexible rubber boot like I made for the front...
Forum: My RV Build Project 03-15-2017, 07:58 PM
Replies: 583
Views: 232,419
Posted By crabandy
I'm still reading oil cooler charts and the best...

I'm still reading oil cooler charts and the best way to fill pinholes.........I did jump ahead to the absolute temps though!
Forum: My RV Build Project 03-15-2017, 03:50 PM
Replies: 583
Views: 232,419
Posted By crabandy
I'm planning on the oil cooler and exit duct...

I'm planning on the oil cooler and exit duct fixed to the engine mount with a flexible duct from engine to the oil cooler which is almost my next step. My foam is already glued together for initial...
Forum: My RV Build Project 03-15-2017, 11:31 AM
Replies: 583
Views: 232,419
Posted By crabandy
The duct nestled into the lower cowling exit...

The duct nestled into the lower cowling exit fairing.

http://i1137.photobucket.com/albums/n516/crabandy/airplane/54BCE709-4A51-41A7-AEB9-796E6763F164_zpslkygkobm.jpg

I trimmed the upper flange and...
Forum: My RV Build Project 03-15-2017, 09:19 AM
Replies: 583
Views: 232,419
Posted By crabandy
Are you going to melt the foam out from...

Are you going to melt the foam out from inside?
Melt/Chip/Scrape the foam out, the filler skin usually chips right off with the wax/PVA coating.
How many layers of glass?
I did 3 layers on the body...
Forum: My RV Build Project 03-14-2017, 09:57 PM
Replies: 583
Views: 232,419
Posted By crabandy
I used regular autobody filler to finish shaping...

I used regular autobody filler to finish shaping over the foam, I can spread it and be sanding in less than 30 minutes. Probably took 7-8 layers, filled only the low areas first then slowly skimmed...
Forum: My RV Build Project 03-10-2017, 09:45 AM
Replies: 583
Views: 232,419
Posted By crabandy
Dan, Thanks for the extra reading! I have...

Dan,
Thanks for the extra reading!

I have measured the pressure where I'm terminating the duct and it is the same as the rest of the lower cowling I've measured.

I'm hoping to have some gains by...
Forum: My RV Build Project 03-10-2017, 07:40 AM
Replies: 583
Views: 232,419
Posted By crabandy
Andy, I admire your ability to just tear into...

Andy,
I admire your ability to just tear into things. Not a thread redirect but about the oil temp, do you have piston squirters?

No squirters that I'm aware of, converted HIO-360-A1F6D to carb and...
Forum: My RV Build Project 03-09-2017, 08:31 PM
Replies: 583
Views: 232,419
Posted By crabandy
I finished the last curved lip for the oil cooler...

I finished the last curved lip for the oil cooler inlet, I'm leaving everything cleco'd for now while I work through the rest of...
Forum: My RV Build Project 03-02-2017, 05:58 PM
Replies: 583
Views: 232,419
Posted By crabandy
Since my cowling/plenum work, oil temps have been...

Since my cowling/plenum work, oil temps have been about 10* warmer which is odd since CHT's are down. I'm attempting to remotely mount my oil cooler for more control over oil temps and also direct...
Forum: My RV Build Project 02-14-2017, 10:15 AM
Replies: 583
Views: 232,419
Posted By crabandy
Axel, copy away. Dan, my final revision may end...

Axel, copy away.

Dan, my final revision may end up very similar to your booties.

Did a short fuel/software/speed run yesterday, although the rear part of the seal stays put when hand moving the...
Forum: My RV Build Project 02-12-2017, 11:36 AM
Replies: 583
Views: 232,419
Posted By crabandy
You can't hardly see them so probably only 1...

You can't hardly see them so probably only 1 knot, the tailwheel fairing ideas are probably gonna be worth 10 knots!
Forum: My RV Build Project 02-12-2017, 11:33 AM
Replies: 583
Views: 232,419
Posted By crabandy
Mike, 3M weatherstrip adhesive from the auto...

Mike, 3M weatherstrip adhesive from the auto parts store I had laying around.

http://i1137.photobucket.com/albums/n516/crabandy/airplane/84FD5B73-D682-4135-B613-A0FE0B3981A1_zpsnokdbjkd.jpg
Forum: My RV Build Project 02-12-2017, 11:31 AM
Replies: 583
Views: 232,419
Posted By crabandy
Thanks Bob! Bob Axom/DanH/Axel and others' mods...

Thanks Bob!
Bob Axom/DanH/Axel and others' mods on the wheelpants got me wondering, I'll have to look up Klaus's EZ wheelpants.

We'll see about brake heat issues but a Steerable tailwheel instead...
Forum: My RV Build Project 02-11-2017, 08:45 PM
Replies: 583
Views: 232,419
Posted By crabandy
I found it easiest to cut the center thicker part...

I found it easiest to cut the center thicker part of the tube out first.

http://i1137.photobucket.com/albums/n516/crabandy/airplane/8C2CACD7-CDAB-4D69-A57C-1C088C4A2148_zpsnkwi1ohm.jpg

Then...
Forum: My RV Build Project 02-11-2017, 06:40 PM
Replies: 583
Views: 232,419
Posted By crabandy
On a positive note the seals conforms better than...

On a positive note the seals conforms better than I expected, on the downside I need to remove several of the strips that were too narrow and make wider strips for the inside. They don't seem to...
Forum: My RV Build Project 02-10-2017, 08:04 PM
Replies: 583
Views: 232,419
Posted By crabandy
Exit Fairing Update after 30ish hours: As far as...

Exit Fairing Update after 30ish hours:
As far as I can tell my CHT's and oil temps have remained the same in climb/cruise as before, but 2ish knots faster. I still haven't cleaned up the outside...
Forum: My RV Build Project 10-09-2016, 01:46 PM
Replies: 583
Views: 232,419
Posted By crabandy
A couple pics of my lower cowling cooling...

A couple pics of my lower cowling cooling...
Forum: My RV Build Project 09-26-2016, 11:50 PM
Replies: 583
Views: 232,419
Posted By crabandy
A little more shaping tonight, using the 14 inch...

A little more shaping tonight, using the 14 inch cutoff wheel to cut radius guide marks into the foam worked pretty well for shaping the lower cowl exit. Pretty easy to eyeball a center for the cut...
Forum: My RV Build Project 09-26-2016, 07:29 PM
Replies: 583
Views: 232,419
Posted By crabandy
Not sure the pour foam was a great choice, it...

Not sure the pour foam was a great choice, it took an hour to get the cowl off.

http://i1137.photobucket.com/albums/n516/crabandy/airplane/F0A48AA5-C363-4555-8E6B-88E40831B112_zpsgcwtjgop.jpg

She...
Forum: My RV Build Project 09-26-2016, 07:00 PM
Replies: 583
Views: 232,419
Posted By crabandy
While I wait on an autopsy of my plane power...

While I wait on an autopsy of my plane power alternator I figured I might as well do some more glass work.

I've been trying to play with different variations of re-shaping the lower cowling exit to...
Forum: My RV Build Project 09-11-2016, 11:21 PM
Replies: 583
Views: 232,419
Posted By crabandy
Even though the large Al-647 bottle does fit...

Even though the large Al-647 bottle does fit under the seat back with 1/4 inch clearance with the regulator I decided to mount it on the right forward side of the baggage area for easier...
Forum: My RV Build Project 08-25-2016, 03:07 PM
Replies: 583
Views: 232,419
Posted By crabandy
Another interesting front seal design BillL! My...

Another interesting front seal design BillL! My current foam seal setup doesn't add any complexity to assembly/disassembly, the flap seal to ring gear underneath the weight ring would've complicated...
Forum: My RV Build Project 08-24-2016, 10:03 PM
Replies: 583
Views: 232,419
Posted By crabandy
I caught the last day of MountainHigh Oxygen's...

I caught the last day of MountainHigh Oxygen's Oshkosh sale from home, I used the $$ I was going to spend going to OSH.......
I've found myself spending a decent portion of X/C flights 9000-13,500...
Forum: My RV Build Project 08-24-2016, 09:27 PM
Replies: 583
Views: 232,419
Posted By crabandy
Good ideas Steve! Honestly I won't be too...

Good ideas Steve!

Honestly I won't be too surprised if the foam removes itself in one fashion or another, but on the other hand I think it has a chance at working. I'm anticipating the foam to...
Forum: My RV Build Project 08-24-2016, 09:06 PM
Replies: 583
Views: 232,419
Posted By crabandy
Interesting....... Yes, I plan on flight testing...

Interesting.......

Yes, I plan on flight testing 1 change at a time. Just trying to start visualizing my next move.
Forum: My RV Build Project 08-24-2016, 01:40 AM
Replies: 583
Views: 232,419
Posted By crabandy
I'm also trying to visualize the cooling air exit...

I'm also trying to visualize the cooling air exit geometry, generous radius at the top and aft of the rear cylinders envisioning a curve to align align the exit airflow parallel to the...
Forum: My RV Build Project 08-24-2016, 01:25 AM
Replies: 583
Views: 232,419
Posted By crabandy
So I have an extra chunk of metal on my ring gear...

So I have an extra chunk of metal on my ring gear for W&B purposes. It interferes with the seal I made behind the spinner on the ring gear support and makes cowling installation and removal more...
Forum: My RV Build Project 08-21-2016, 09:58 PM
Replies: 583
Views: 232,419
Posted By crabandy
I finished filling/smoothing the new fiberglass...

I finished filling/smoothing the new fiberglass and added a flange to the inside of the lower cowling....
Forum: My RV Build Project 08-19-2016, 11:59 PM
Replies: 583
Views: 232,419
Posted By crabandy
Thanks for the advice Vern! A couple layers of...

Thanks for the advice Vern!

A couple layers of filler sanded smooth over the foam, then covered in wax with a scribed cardboard template to trim my glass to shape made things go pretty smoothly. I...
Forum: My RV Build Project 08-15-2016, 11:36 AM
Replies: 583
Views: 232,419
Posted By crabandy
I decided to start sealing behind the spinner,...

I decided to start sealing behind the spinner, pink foam cut out with a jig saw and epoxy/micro'ed onto the cowl. Im making the front hole behind the spinner smaller and adding a 90* flange with 1/2"...
Forum: My RV Build Project 08-09-2016, 04:06 PM
Replies: 583
Views: 232,419
Posted By crabandy
Just under 2100 RPM is all I can get static, so...

Just under 2100 RPM is all I can get static, so that's what we went with.
Forum: My RV Build Project 08-08-2016, 06:58 PM
Replies: 583
Views: 232,419
Posted By crabandy
More flights with G-Loading and aerobatics went...

More flights with G-Loading and aerobatics went well, so far the cowling/boots/plenum seem to be working well together. Perhaps I can leave the cowling on after a flight now.....

Not so fast,...
Forum: My RV Build Project 08-08-2016, 06:01 PM
Replies: 583
Views: 232,419
Posted By crabandy
Actually flying in an RV over your house is a way...

Actually flying in an RV over your house is a way better motivator!
Forum: My RV Build Project 08-08-2016, 06:00 PM
Replies: 583
Views: 232,419
Posted By crabandy
Yes Bill, the crack does coincide to the aluminum...

Yes Bill, the crack does coincide to the aluminum clamping strip underneath. So far it hasn't grown, it's possible I just over tightened it.
I've spent enough time and fuel on pure test flights, I...
Forum: My RV Build Project 08-06-2016, 12:46 AM
Replies: 583
Views: 232,419
Posted By crabandy
Flying again!!

Another set of runups and de-cowlings made the first test flight a go! My goal was to incrementally increase speeds and record upper plenum pressures only, and not crash. I was astounded by my...
Forum: My RV Build Project 08-06-2016, 12:14 AM
Replies: 583
Views: 232,419
Posted By crabandy
I had to remove 1/2 inch from the front of my...

I had to remove 1/2 inch from the front of my plug to utilize it as a 1 piece layup, I added the center plastic from my previous mold to the cut-off...
Forum: My RV Build Project 08-05-2016, 11:29 PM
Replies: 583
Views: 232,419
Posted By crabandy
Thanks Pete!

Thanks Pete!
Forum: My RV Build Project 07-24-2016, 09:05 PM
Replies: 583
Views: 232,419
Posted By crabandy
I'm just wrapping up the annual and it's time for...

I'm just wrapping up the annual and it's time for some engine runs and see how the new boots/cowling work together. It fired right up and ran like it should. The first run was just in the idle/fast...
Forum: My RV Build Project 07-17-2016, 11:57 AM
Replies: 583
Views: 232,419
Posted By crabandy
Everything seems to fit pretty well and is ready...

Everything seems to fit pretty well and is ready for an engine run, I just have to put the inside of the airplane back together after the annual. I can't wait to wheel this thing out and clean the...
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