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Search: Posts Made By: Jaketab
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10-11-2020, 06:16 AM
Replies: 4,478
Views: 819,949
Posted By Jaketab

Ignition question. I'm in process of testing...

Ignition question. I'm in process of testing the ignition to my newer 250. I have access to a Moki ignition labeled for the 180. (Blue box)
Can anyone tell me if the 180 ignition is the same as...
10-04-2020, 10:21 AM
Replies: 4,478
Views: 819,949
Posted By Jaketab

This just in as few minutes ago as I had the...

This just in as few minutes ago as I had the engine running on a test stand. The newer Moki 250 runs good but occasionally has a high speed and very intermittent dropping of a cylinder. Almost not...
10-03-2020, 03:44 PM
Replies: 4,478
Views: 819,949
Posted By Jaketab

Jraycut - I went back and read you initial post...

Jraycut - I went back and read you initial post 4442. Your rpm drop occurred when you changed from a Biela 26x16x3 to an SEP 25x17x3. It is my experience that the SEP is a more aggressive prop and...
10-02-2020, 09:44 AM
Replies: 4,478
Views: 819,949
Posted By Jaketab

Ignition Head Scratcher.

Just so happens I have my 250 on the test stand today for maintenence. I have the blue box ignition.
When I power up the ignition, one light is solid and the other is blinking once per second....
10-02-2020, 09:29 AM
Replies: 4,478
Views: 819,949
Posted By Jaketab

I agree. The unburned fuel entering #3 cylinder...

I agree. The unburned fuel entering #3 cylinder is washing the plug and keeping it clean.
Years ago I was able to de-solder a #4 ignition coil and replace without buying a whole coil pack.

One...
09-09-2020, 10:33 AM
Replies: 4,478
Views: 819,949
Posted By Jaketab

Gentlemen - I agree completely with Mike and...

Gentlemen - I agree completely with Mike and Richard above. If it were not for the Moki AT-6 exhaust, I would have chosen the Valach 250 Radial.
I am going to try a source for stainless pushrod...
09-08-2020, 08:22 AM
Replies: 4,478
Views: 819,949
Posted By Jaketab

Hello, After a mishap last weekend I'm in...

Hello,

After a mishap last weekend I'm in need of a new hall sensor cable and a few pushrods. Hold on to your pants when you see what the prices are for these now.
Does anyone have an extra hall...
08-27-2020, 06:15 AM
Replies: 4,478
Views: 819,949
Posted By Jaketab

More exit area. If it will not ruin the scale...

More exit area. If it will not ruin the scale appearance, I've had good success using the ready made aluminum vent loovers.
08-20-2020, 04:42 AM
Replies: 4,478
Views: 819,949
Posted By Jaketab

Don't know exactly as each radio may vary in...

Don't know exactly as each radio may vary in numbers. Just play it by ear. Even at low output the pump will supply adequate fuel to the carb.

I have 2 - 250's. one is top hat and the other is...
06-24-2020, 12:01 PM
Replies: 4,478
Views: 819,949
Posted By Jaketab

Moki 250 Cowl Baffle

Does anyone have a scanned 1:1 picture or drawing of the Moki 250 baffle?
It would need to be scanned or converted to a PDF file or a format my computer would read.

Thanks - J Tab
06-24-2020, 11:56 AM
Replies: 4,478
Views: 819,949
Posted By Jaketab

If you have the programable APS Pump you can do...

If you have the programable APS Pump you can do either. I use a curve mix with the throttle as a master and the pump channel as the slave. The pump operates at a lower output volume when the rpm's...
05-11-2020, 06:42 AM
Replies: 4,478
Views: 819,949
Posted By Jaketab

Just a final note to the topic of exhaust tube...

Just a final note to the topic of exhaust tube Teflon seals. Someone suggested to me that it's the pre-load on the nut that contributes. The Teflon seal squeezes out when heated due to expansion....
05-07-2020, 05:24 PM
Replies: 4,478
Views: 819,949
Posted By Jaketab

Did an experiment today on a relatively new Moki...

Did an experiment today on a relatively new Moki 250. The objective was to determine if the exhaust nuts on the collector ring were backing off or if the Teflon rings were shrinking after the engine...
05-06-2020, 09:20 AM
Replies: 4,478
Views: 819,949
Posted By Jaketab

Moebius44 I agree with your assessment...

Moebius44 I agree with your assessment completely. More feedback is needed.
I was lucky on my older Moki Teflon rings seated as the motor was run in.
Bottom line - very little or no guidance is...
05-06-2020, 06:13 AM
Replies: 4,478
Views: 819,949
Posted By Jaketab

Yes, my next trick will be a hi temp thread lock...

Yes, my next trick will be a hi temp thread lock and wrapping the collector ring nuts with heavy Teflon tape to keep them from backing off.
At this point, I'm not sure how much the nuts back off as...
05-04-2020, 02:29 PM
Replies: 4,478
Views: 819,949
Posted By Jaketab

Tmac - I discovered that tightening the nut when...

Tmac - I discovered that tightening the nut when the motor is hot will cause the Teflon to deform and squeeze out the back side of the nut.
Tightening on my motor requires removing the cowl. PITA....
05-04-2020, 12:43 PM
Replies: 4,478
Views: 819,949
Posted By Jaketab

Exhaust Tube Nuts

Need help or suggestions on keeping the exhaust manifold nuts from getting loose on my newer Moki 250. (AT-6 exhaust version) Im guessing others may be having the same problem. The engine was...
02-17-2020, 10:52 AM
Replies: 4,478
Views: 819,949
Posted By Jaketab

Anyone needing props for your Moki 215, 250, or...

Anyone needing props for your Moki 215, 250, or 300 link below to classifieds.
https://www.rcuniverse.com/forum/market/11675405

Regards - J Tab...
Forum: Marketplace
02-17-2020, 10:48 AM
Replies: 0
Views: 395
Posted By Jaketab

Moki 250 Radial Engine Props (40 mm Bolt Hole Diameter)

Biela 32 x 22 Carbon White with red tips. Prop was purchased from Aircraft International and was to be used on a Moki 250. Purchase price new was $120. Will sell for $90 plus shipping. Prop has...
02-15-2020, 01:12 PM
Replies: 4
Views: 714
Posted By Jaketab

I agree! Great service from Darrell and Sierra...

I agree! Great service from Darrell and Sierra Giant Scale.
Regards - J Tab
01-30-2020, 03:56 PM
Replies: 5
Views: 1,722
Posted By Jaketab

Hello Dave, Have you made maiden flight yet? ...

Hello Dave,
Have you made maiden flight yet?
https://cimg3.ibsrv.net/gimg/www.rcuniverse.com-vbulletin/2000x1124/20190727_162037_6bc6305849bdf87805f990488a4a605d02b28f54.jpg

Mine is not so exact...
01-21-2020, 04:12 PM
Replies: 4,478
Views: 819,949
Posted By Jaketab

Own 2 Moki 250's. Both with 1 liter tanks and...

Own 2 Moki 250's. Both with 1 liter tanks and fly 12 minutes only using about 17-18 ounces.
12-31-2019, 08:24 AM
Replies: 4,478
Views: 819,949
Posted By Jaketab

MOKKEN, Does your CARF Harvard AT-6 Texan look...

MOKKEN,
Does your CARF Harvard AT-6 Texan look anything like this ? LOL...
12-28-2019, 03:04 PM
Replies: 4,478
Views: 819,949
Posted By Jaketab

Mark, I have 2 non-programable pumps and 1...

Mark,
I have 2 non-programable pumps and 1 programable. I personally don't trust the valve on top to recirculate enough fuel to prevent the pump from stalling. I use a continuous fuel loop. ...
11-24-2019, 10:41 AM
Replies: 5
Views: 1,722
Posted By Jaketab

Hello Dave, Got a CARF AT-6 thread going over...

Hello Dave,
Got a CARF AT-6 thread going over on FG under Scale Warbirds.
Please feel free to join in.
https://www.flyinggiants.com/forums/showthread.php?t=255637

Regards - J Tab
Showing results 1 to 25 of 422
 


 
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