VansAirForceForums  
Home > VansAirForceForums

-POSTING RULES
-Advertise in here!
- Today's Posts | Insert Pics

Keep VAF Going
Donate methods

Point your
camera app here
to donate fast.


Go Back   VAF Forums > Search Forums
Register FAQ Members List Calendar Search Today's Posts Mark Forums Read

Showing results 1 to 64 of 500
Search took 0.04 seconds.
Search: Posts Made By: mahlon_r
Forum: Traditional Aircraft Engines 07-01-2022, 06:07 AM
Replies: 24
Views: 2,648
Posted By mahlon_r
The mismatch at the rear journal being offset at...

The mismatch at the rear journal being offset at the back of the engine isn't unusual. The areas with the damage are lubricated from oil that is pushed out of the nose bearing. It looks to me that...
Forum: Traditional Aircraft Engines 04-28-2022, 03:39 PM
Replies: 8
Views: 509
Posted By mahlon_r
180 F is the target oil temp you want to see....

180 F is the target oil temp you want to see. Doesn't sound like you have much of a problem to me.
Good Luck,
Mahlon
Forum: Traditional Aircraft Engines 04-11-2022, 06:31 AM
Replies: 20
Views: 9,691
Posted By mahlon_r
Just a note. All the certified aircraft that use...

Just a note. All the certified aircraft that use mechanical tacks have a tach cable attached with a knurled nut that has no saftey and no oring. Just tighten up with pliers. Thats all the Piper's,...
Forum: Traditional Aircraft Engines 04-01-2022, 06:40 AM
Replies: 11
Views: 1,004
Posted By mahlon_r
Fuel Lube works great

Fuel Lube works great
Forum: Traditional Aircraft Engines 02-11-2022, 11:55 AM
Replies: 2
Views: 391
Posted By mahlon_r
Use a long screw driver as a prybar and pry...

Use a long screw driver as a prybar and pry against the mount closest to the engine by the end of the mount where it meets the engine. The bolt hole in the mount will move easily by the prying, and...
Forum: Traditional Aircraft Engines 02-03-2022, 01:17 PM
Replies: 12
Views: 1,296
Posted By mahlon_r
If your engine is truly and O-360-A1G6D and the...

If your engine is truly and O-360-A1G6D and the accessory area looks like the one depicted in hgerhardt's post the oil filter adapter from Airwolf depicted in Avanza's post will not work on your...
Forum: Traditional Aircraft Engines 02-03-2022, 07:09 AM
Replies: 12
Views: 1,296
Posted By mahlon_r
The "D" indicates a dual drive or single mag...

The "D" indicates a dual drive or single mag engine. The "6" indicates a counteweighted crankshaft engine, having one 6th and one 8th order counterweight.
All of the 360"s with a dual single drive...
Forum: Traditional Aircraft Engines 01-03-2022, 11:07 AM
Replies: 33
Views: 4,574
Posted By mahlon_r
Raw fuel pressure is the pressure at the fuel...

Raw fuel pressure is the pressure at the fuel servo inlet. either boost pump on or off. If it is significantly higher and out of limits with the boost pump on that may be your issue. Normally less...
Forum: Traditional Aircraft Engines 01-03-2022, 08:40 AM
Replies: 33
Views: 4,574
Posted By mahlon_r
When the problem is occurring, does manually...

When the problem is occurring, does manually leaning the engine fix it? If so, it is going too rich. If it doesn't, it may be too lean or the problem is not fuel related. If it shows too rich, check...
Forum: Traditional Aircraft Engines 12-22-2021, 07:20 AM
Replies: 6
Views: 831
Posted By mahlon_r
If your fuel servo is mounted on the bottom of...

If your fuel servo is mounted on the bottom of the oil sump, pointed down, the closest Lycoming version is an IO-360-B1B. If the servo is mounted horizontally pointed forward it's an IO-360-M1B....
Forum: Traditional Aircraft Engines 12-18-2021, 01:42 PM
Replies: 5
Views: 1,188
Posted By mahlon_r
2ea. 71712 and 2ea. 71713 are for a O-360-a4k and...

2ea. 71712 and 2ea. 71713 are for a O-360-a4k and should work for you.
Forum: Traditional Aircraft Engines 12-01-2021, 06:39 AM
Replies: 7
Views: 1,344
Posted By mahlon_r
https://vansairforce.net/community/showthread.php?...

https://vansairforce.net/community/showthread.php?t=17484&highlight=o-320-h2ad+mag
The third post will tell you what you need to know.
Forum: Traditional Aircraft Engines 11-29-2021, 10:28 AM
Replies: 14
Views: 1,960
Posted By mahlon_r
If the gauge checks out, I would take a look at...

If the gauge checks out, I would take a look at the suction screen. If it is restricted the oil pressure will be lower when the oil is thicker and colder at higher RPMs when the demand to the pump is...
Forum: Traditional Aircraft Engines 11-21-2021, 09:45 AM
Replies: 13
Views: 2,011
Posted By mahlon_r
You need to determine if it is a fuel issue or...

You need to determine if it is a fuel issue or ignition issue or a technique issue .
Try cranking the engine very carefully with a top and bottom plug out of one cylinder and rehook the ignition...
Forum: Traditional Aircraft Engines 11-06-2021, 01:52 PM
Replies: 15
Views: 2,134
Posted By mahlon_r
Retarding the throttle quickly with short exhaust...

Retarding the throttle quickly with short exhaust stacks or with exhaust that has a defect close to a cylinder will make an after fire in the exhaust. Blown exhaust or a big crack could do it. I...
Forum: Traditional Aircraft Engines 09-05-2021, 07:07 AM
Replies: 28
Views: 2,595
Posted By mahlon_r
If those pressures are real, you have a very...

If those pressures are real, you have a very significant hole somewhere that is bleeding the oil pressure off. 45 psi in cruise and 5 at ilde is way too low! Is the ball in the relief valve cavity? ...
Forum: Traditional Aircraft Engines 08-16-2021, 07:12 AM
Replies: 38
Views: 8,603
Posted By mahlon_r
Hopefully all is well with your new seal. Just a...

Hopefully all is well with your new seal. Just a word of caution about the seals. There is a .050 oversize seal that goes in a oversize hole in the case If they put a std. seal where a oversize one...
Forum: Traditional Aircraft Engines 08-06-2021, 05:46 AM
Replies: 6
Views: 1,189
Posted By mahlon_r
I think they may be talking about ring flutter....

I think they may be talking about ring flutter. The lack of BMEP can let the ring flutter causing wear on the top and bottom of the ring against the ring lands. I don't know for sure but that is what...
Forum: Traditional Aircraft Engines 07-11-2021, 09:33 AM
Replies: 6
Views: 1,227
Posted By mahlon_r
Clean that fuel nozzle, You'll be glad you...

Clean that fuel nozzle, You'll be glad you did!
Good Luck,
Mahlon
Forum: Traditional Aircraft Engines 07-04-2021, 06:16 AM
Replies: 2
Views: 745
Posted By mahlon_r
I believe those threads should be 5/8-18. Good...

I believe those threads should be 5/8-18.
Good Luck and Happy 4th of July,
Mahlon
Forum: Traditional Aircraft Engines 06-08-2021, 06:40 AM
Replies: 18
Views: 4,077
Posted By mahlon_r
What was the oil temperature when the pressure...

What was the oil temperature when the pressure was low? High oil temp will cause the pressure to drop. Was the pressure ok on previous flight?
Good Luck,
Mahlon
Forum: Traditional Aircraft Engines 06-03-2021, 08:06 AM
Replies: 10
Views: 1,626
Posted By mahlon_r
Do a mag check at warm up RPM when the engine is...

Do a mag check at warm up RPM when the engine is warming up.....
Good Luck,
Mahlon
Forum: Traditional Aircraft Engines 05-24-2021, 11:58 AM
Replies: 6
Views: 1,464
Posted By mahlon_r
it's really just a dust cover. There is a seal...

it's really just a dust cover. There is a seal that seals engine oil from leaking around the unused tach shaft, so no issues there. In the certified world the tach cable hooks up there and none of...
Forum: Traditional Aircraft Engines 05-11-2021, 05:51 AM
Replies: 23
Views: 3,352
Posted By mahlon_r
When you do a dynamic prop balance you are not...

When you do a dynamic prop balance you are not only balancing the prop spinner combo but also the entire rotating mass of the engine as well. So based on your results the engine and prop are not...
Forum: Traditional Aircraft Engines 04-23-2021, 09:47 AM
Replies: 17
Views: 4,412
Posted By mahlon_r
Looks like the thru bolts may be leaking. Could...

Looks like the thru bolts may be leaking. Could also be some of the other base studs. They are not always into bling holes. If it is the thru studs, before attempting any fix, retorque them and make...
Forum: Traditional Aircraft Engines 03-22-2021, 07:33 AM
Replies: 7
Views: 1,518
Posted By mahlon_r
if memory serves me correctly, the P/N of the...

if memory serves me correctly, the P/N of the slotted cover plate is 72378.
Good Luck,
Mahlon
Forum: Traditional Aircraft Engines 03-21-2021, 06:45 AM
Replies: 7
Views: 1,518
Posted By mahlon_r
If you get a governor drive plate that has the...

If you get a governor drive plate that has the small recess machined in it as depicted in the picture in the link below. ( A little hidden by the gasket...) You will be able to run fixed pitch...
Forum: Traditional Aircraft Engines 03-01-2021, 05:45 AM
Replies: 49
Views: 10,210
Posted By mahlon_r
" word of caution on the plunger...Iíve seen one...

" word of caution on the plunger...Iíve seen one fall completely out and down into oil pan on an O-540. A magic man of a A&P I know was able to fish it out and replace it back up into its proper...
Forum: Traditional Aircraft Engines 02-16-2021, 05:56 AM
Replies: 1
Views: 846
Posted By mahlon_r
not likely imho. Good Luck, Mahlon

not likely imho.
Good Luck,
Mahlon
Forum: Traditional Aircraft Engines 02-12-2021, 05:38 AM
Replies: 5
Views: 1,013
Posted By mahlon_r
The fittings from the old pump will not work with...

The fittings from the old pump will not work with the new one without adapters . The new pump uses o-ring bulkhead type fittings. So you will need to procure that style or get an adapter that uses an...
Forum: Traditional Aircraft Engines 01-08-2021, 05:07 AM
Replies: 14
Views: 2,592
Posted By mahlon_r
John, you should confirm that your cover plate,...

John, you should confirm that your cover plate, on the governor drive is the one that has the milled recess to connect the port on the pad that would feed the plumbing to the front of the engine to...
Forum: Traditional Aircraft Engines 01-07-2021, 04:20 PM
Replies: 14
Views: 2,592
Posted By mahlon_r
If the engine has a governor pad on, from the...

If the engine has a governor pad on, from the factory, it it comes setup for constant speed. I know you have stated you want to use the engine fixed pitch but do you think you will ever go constant...
Forum: Traditional Aircraft Engines 12-29-2020, 06:20 AM
Replies: 33
Views: 6,198
Posted By mahlon_r
Does the engine get rough as your tach indicates...

Does the engine get rough as your tach indicates the rpm loss? I would ignore the rpm loss and lean until you see peak on the first of the three instrumented cylinders to hit peak EGT. What is the...
Forum: Traditional Aircraft Engines 12-23-2020, 05:38 AM
Replies: 38
Views: 6,420
Posted By mahlon_r
You are correct. Any pump with a cotter pinned...

You are correct. Any pump with a cotter pinned idler shaft is exempt from that AD.
Merry Christmas ,
Mahlon
Forum: Traditional Aircraft Engines 12-22-2020, 05:36 AM
Replies: 38
Views: 6,420
Posted By mahlon_r
Saw a sintered iron type pump fail once and saw...

Saw a sintered iron type pump fail once and saw many of those with way excessive wear at the woodruff key. But never saw a failure of the steel and aluminum ones. Never saw excessive wear with them...
Forum: Traditional Aircraft Engines 12-21-2020, 05:43 AM
Replies: 38
Views: 6,420
Posted By mahlon_r
Hey Bob, Did those engines have a two piece oil...

Hey Bob, Did those engines have a two piece oil pump housing? If so in that case the AD wouldn't apply to those aluminum and steel impellers.
Merry Christmas,
Mahlon
Forum: Traditional Aircraft Engines 12-15-2020, 05:58 AM
Replies: 9
Views: 2,893
Posted By mahlon_r
Ring gear looks like it will work fine to me....

Ring gear looks like it will work fine to me. They make a shim for between the starter and the crankcase to get proper backlash of the teeth. You might try installing that. It helps with the weird...
Forum: Traditional Aircraft Engines 11-30-2020, 09:19 PM
Replies: 20
Views: 2,895
Posted By mahlon_r
Your engine equivalent would be an...

Your engine equivalent would be an IO-540-D4A5.
All of our records were electronically stored. We are talking thousands of work orders over like 20 plus years. All of our systems were electronically...
Forum: Traditional Aircraft Engines 11-23-2020, 07:36 AM
Replies: 9
Views: 1,599
Posted By mahlon_r
There are two different styles of inlet flanges...

There are two different styles of inlet flanges based on weather you have the thick or thinner little flange on the intake pipe itself. If you have the thicker flange on the pipe with the thinner...
Forum: Traditional Aircraft Engines 11-23-2020, 06:30 AM
Replies: 9
Views: 1,599
Posted By mahlon_r
!/4-20 fasteners are normally torques to 96-100...

!/4-20 fasteners are normally torques to 96-100 Inch pounds and 5/16 course fasteners are normally 205 inch pounds. Don't know where you got the 40 inch pound figure for the exhaust nuts but that is...
Forum: Traditional Aircraft Engines 11-12-2020, 03:08 PM
Replies: 10
Views: 3,888
Posted By mahlon_r
Opps forgot about the IO-360-B1B. Yes that would...

Opps forgot about the IO-360-B1B. Yes that would be the closest performace wise and parts wise as long as you have precision FI. Or you could use the O-360-a1a and then use the FI info for the type...
Forum: Traditional Aircraft Engines 11-12-2020, 08:49 AM
Replies: 10
Views: 3,888
Posted By mahlon_r
You need clarification on your actual engine...

You need clarification on your actual engine model!!!!! Lycoming IO-360-A series engines are 200HP slant valve engines. ECI IO-360-A series engines are parallel valve 180 HP variants. The Lycoming...
Forum: Traditional Aircraft Engines 11-06-2020, 08:46 AM
Replies: 8
Views: 2,197
Posted By mahlon_r
Try Ebay. You need one from a 540. Looks like the...

Try Ebay. You need one from a 540. Looks like the going price is around 400.00
Maybe someone on the list has one they removed to save weight, that they want to sell.
Good Luck,
Mahlon
Forum: Traditional Aircraft Engines 11-06-2020, 06:39 AM
Replies: 8
Views: 2,197
Posted By mahlon_r
You engine doesn't have the vacuum pump drive...

You engine doesn't have the vacuum pump drive assembly installed on that accessory pad. I believe you would need to acquire the drive assembly as well as 4 studs to install in the engine to mount the...
Forum: Traditional Aircraft Engines 10-27-2020, 07:03 AM
Replies: 10
Views: 3,888
Posted By mahlon_r
Had this info in some old tech sheets don't know...

Had this info in some old tech sheets don't know if it is still current. but I would imagine it is.
Good Luck,
Mahlon
Base Engine
O 100% Certified Parts, set up for Carbureted System
OX Set up...
Forum: Traditional Aircraft Engines 10-22-2020, 05:17 AM
Replies: 9
Views: 2,858
Posted By mahlon_r
Just like an o-360-a1a but with bendix/precision...

Just like an o-360-a1a but with bendix/precision fuel injection and retard breaker mags.
Good Luck,
Mahlon
Forum: Traditional Aircraft Engines 10-20-2020, 02:36 PM
Replies: 17
Views: 5,265
Posted By mahlon_r
If you are worried about safety wire on the...

If you are worried about safety wire on the filter you could put a large hose clamp on the filter and the put a loop of safety wire around the screw portion with the wire going through the slot in...
Forum: Traditional Aircraft Engines 10-03-2020, 05:56 AM
Replies: 5
Views: 1,658
Posted By mahlon_r
What style relief valve cap do you guys have? One...

What style relief valve cap do you guys have? One that looks like a Bat Masterton derby? or a Abe Lincoln top hat? or the adjustable type with a screw adjustment out the end? If the first style, you...
Forum: Traditional Aircraft Engines 10-02-2020, 07:35 AM
Replies: 10
Views: 2,313
Posted By mahlon_r
yes titan is now owned by CM which owned us. So...

yes titan is now owned by CM which owned us. So they could support you. Contact Jim Ball. Tell him I said Hi.
You should treat you engine as if it were a Lycoming O or IO-360 when researching ad's....
Forum: Traditional Aircraft Engines 10-01-2020, 06:22 AM
Replies: 10
Views: 2,313
Posted By mahlon_r
We normally set up oil pressure to yield 70-80...

We normally set up oil pressure to yield 70-80 psi at temp in cruise. That is taking the oil pressure off one of the two1/8 pipe plug ports on the rear of the accessory housing designed for that...
Forum: Traditional Aircraft Engines 09-21-2020, 07:36 AM
Replies: 8
Views: 2,728
Posted By mahlon_r
What the other posters said. But beware that some...

What the other posters said. But beware that some sb's, just like AD's, are repetitive due at certain times in the engines life either by calendar time or hours of operation. So if your quest is to...
Forum: Traditional Aircraft Engines 09-16-2020, 08:22 AM
Replies: 2
Views: 1,642
Posted By mahlon_r
Yes its allowed via stc for the certified world....

Yes its allowed via stc for the certified world. and for experimental it isn't an issue.
Good Luck,
Mahlon
Forum: Traditional Aircraft Engines 09-02-2020, 07:41 AM
Replies: 4
Views: 1,971
Posted By mahlon_r
by rotating I mean turning the crankshaft. if ...

by rotating I mean turning the crankshaft. if turning the engine upside down as a unit.. great, good practice.
Good Luck,
Mahlon
Forum: Traditional Aircraft Engines 09-02-2020, 06:28 AM
Replies: 4
Views: 1,971
Posted By mahlon_r
It supplies oil from the nose bearing to the...

It supplies oil from the nose bearing to the propeller. I would fog it. if your engine is on a stand and not installed, imho you should not be rotating it all you are doing is wiping whatever oil you...
Forum: Traditional Aircraft Engines 09-01-2020, 06:53 AM
Replies: 22
Views: 5,355
Posted By mahlon_r
Some things to check if the carb is OK. But raw...

Some things to check if the carb is OK. But raw fuel collecting in the airbox would indicate that it isn't or there is a rag or something in the intake manifold.
Assuming you have a 10-5135 or...
Forum: Traditional Aircraft Engines 07-29-2020, 08:26 AM
Replies: 13
Views: 3,849
Posted By mahlon_r
My take is this. Your engine could not be...

My take is this. Your engine could not be installed in a certified aircraft as a certified engine. It is modified from its original state and those modifications are not supported by FAA approved...
Forum: Traditional Aircraft Engines 07-28-2020, 06:47 AM
Replies: 13
Views: 3,849
Posted By mahlon_r
Any engine conversion that increases the...

Any engine conversion that increases the Horsepower of the engine is a major alteration and requires a 337 in the certified world. I held a FAA approved process spec, for the repair station, that...
Forum: Traditional Aircraft Engines 07-18-2020, 06:39 AM
Replies: 5
Views: 2,710
Posted By mahlon_r
same procedures as a straight valve engine. Good...

same procedures as a straight valve engine.
Good Luck,
Mahlon
Forum: Traditional Aircraft Engines 07-10-2020, 06:51 AM
Replies: 14
Views: 8,039
Posted By mahlon_r
check the guage and probe for accuracy! Good...

check the guage and probe for accuracy!
Good Luck,
Mahlon
Forum: Traditional Aircraft Engines 07-04-2020, 05:02 AM
Replies: 5
Views: 1,857
Posted By mahlon_r
Idle mixture setting has no effect on ICO. When...

Idle mixture setting has no effect on ICO. When the mixture is moved to ICO, a plate in the servo shuts the fuel off by closing the port that allows fuel out of the servo. At the same time the...
Forum: Traditional Aircraft Engines 06-28-2020, 06:58 AM
Replies: 7
Views: 1,501
Posted By mahlon_r
Are you going fuel injected or carbureted? The...

Are you going fuel injected or carbureted? The sumps are different between each, due to a difference in the mounting bolt pattern of the carb or fuel injector. Don't remember a horizontal carbureted...
Forum: Traditional Aircraft Engines 06-27-2020, 05:53 AM
Replies: 5
Views: 2,091
Posted By mahlon_r
There are two case options that can apply. One is...

There are two case options that can apply. One is that there are dowels at the case mating surfaces that have orings there and that prevents the leak and supplies the rigidity necessary to support...
Forum: Traditional Aircraft Engines 06-23-2020, 05:57 AM
Replies: 5
Views: 1,435
Posted By mahlon_r
That fitting was used on the rayjay turbo...

That fitting was used on the rayjay turbo conversion of that Io-320 engine and referenced the fuel pressure setting of the fuel pump to compressor discharge or upper deck pressure. Thus keeping the...
Forum: Traditional Aircraft Engines 06-18-2020, 05:12 AM
Replies: 21
Views: 4,878
Posted By mahlon_r
On parallel valve cylinders, whose heads are...

On parallel valve cylinders, whose heads are fairly prone to cracking, I would go with new cylinders at overhaul. But I would certainly repair one midlife, if the head wasn't cracked. On slant valve...
Showing results 1 to 64 of 500

 
Forum Jump

All times are GMT -6. The time now is 10:52 AM.


The VAFForums come to you courtesy Delta Romeo, LLC. By viewing and participating in them you agree to build your plane using standardized methods and practices and to fly it safely and in accordance with the laws governing the country you are located in.