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Search: Posts Made By: naftali
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12-02-2023, 12:54 PM
Replies: 369
Views: 109,691
Posted By naftali

First step in the storage procedure is running...

First step in the storage procedure is running the engine dry.
Then lubricate all moving parts with YS After Run oil.
Turn the engine over several times to insure protection.
05-22-2023, 02:39 AM
Replies: 56
Views: 10,518
Posted By naftali

Hi, Any statistics on how many flights between...

Hi,
Any statistics on how many flights between filling the mount dumper with oil?
05-09-2023, 08:50 AM
Replies: 56
Views: 10,518
Posted By naftali

It might. Worth checking.

It might. Worth checking.
05-08-2023, 08:21 AM
Replies: 56
Views: 10,518
Posted By naftali

The clicking noise might come from the pushrod...

The clicking noise might come from the pushrod hitting the valve rocker.
10-17-2022, 11:36 AM
Replies: 369
Views: 109,691
Posted By naftali

I ordered neoprene(NBR) and silicon O rings from...

I ordered neoprene(NBR) and silicon O rings from ALIEXPRESS, 22x14 mm. SkyCable Store. First I tried the silicon, supposed to withstand 200 deg. C. It did not stick, but Wear and Tear were excessive...
08-20-2022, 10:07 PM
Replies: 369
Views: 109,691
Posted By naftali

I tried enriching the mixture, Viton O rings -...

I tried enriching the mixture, Viton O rings - all to no avail, it still sticks after one flight.
The spinner is cold upon landing, even in hot summer days.
A friend of mine is still using the old...
08-13-2022, 11:23 AM
Replies: 369
Views: 109,691
Posted By naftali

Another old issue and very bothering: Even when...

Another old issue and very bothering: Even when the muffler original YS O ring slides nicely on the header at the start of the flight, after 8 minutes or so, the O ring is stuck to the header, as if...
08-04-2022, 08:57 AM
Replies: 369
Views: 109,691
Posted By naftali

I just tightened the prop nuts and flew. No...

I just tightened the prop nuts and flew. No problem.
07-09-2022, 04:39 AM
Replies: 369
Views: 109,691
Posted By naftali

Yes, the crankshaft and bearings are OK. I will...

Yes, the crankshaft and bearings are OK.
I will try a longer spanner and hope for the best.
07-08-2022, 12:08 PM
Replies: 369
Views: 109,691
Posted By naftali

Hi, After replacing bearings, I could not get...

Hi,
After replacing bearings, I could not get the prop drive washer to lock on the split conical retainer, no matter how much hand torque did I apply: As soon as I released the prop nut, the prop...
10-21-2021, 01:19 PM
Replies: 56
Views: 10,518
Posted By naftali

Thanks a lot.

Thanks a lot.
10-21-2021, 06:27 AM
Replies: 56
Views: 10,518
Posted By naftali

Is the 200s an accurate drop in instead of the...

Is the 200s an accurate drop in instead of the 185, 200?
Thanks.
03-17-2020, 12:10 AM
Replies: 369
Views: 109,691
Posted By naftali

Should the engine be tilted to either side? Which...

Should the engine be tilted to either side? Which side? Seems to me the wrong side in the picture.
Thanks....
03-29-2019, 08:21 AM
Replies: 369
Views: 109,691
Posted By naftali

Same here, tz. Try closing the break-in oiling...

Same here, tz. Try closing the break-in oiling needle all the way and then some.
21.5x10.5pnc. 10% Morgan MV oil, 30% nitro, 60% methanol.
03-28-2019, 11:57 AM
Replies: 369
Views: 109,691
Posted By naftali

Thanks a lot Scott. That will be my initial curve.

Thanks a lot Scott. That will be my initial curve.
03-27-2019, 06:15 AM
Replies: 369
Views: 109,691
Posted By naftali

I am going to start with 8% stick advance in EXP....

I am going to start with 8% stick advance in EXP. 2 for the 200 CDI, 21.5X10.5 pnc. Any comment?
03-25-2019, 07:23 AM
Replies: 369
Views: 109,691
Posted By naftali

Just have to mention one little episode: All 200...

Just have to mention one little episode: All 200 CDI activities prior to the Skybolt test flight were performed with an old CDI unit that suffered a crash, in order to save the new CDI for flight....
03-25-2019, 02:02 AM
Replies: 369
Views: 109,691
Posted By naftali

Tried to tune the 200 CDI on the Skybolt with the...

Tried to tune the 200 CDI on the Skybolt with the break-in needle open 60 deg. from the beginning of the seal resistance, with an air filter on. It was impossible, as Scott advised
Only after...
11-19-2018, 03:25 AM
Replies: 369
Views: 109,691
Posted By naftali

Glow Pump Pressure

https://cimg3.ibsrv.net/gimg/www.rcuniverse.com-vbulletin/2000x1124/20181118_112449_d9ae80ad8e1aa7771aeb4b8b5fe287ff935253b7.jpg

: For the sake of those poor devils still using the YS 170 Glow
...
02-08-2018, 05:09 AM
Replies: 369
Views: 109,691
Posted By naftali

"Hiccups"

Hi all,
Transition was not smooth with my 185 CDI no matter what: On the bench, on the ground, in the air, super lean pump, fiddling with the main needle, break in fuel, 30% nitro, tappet adjustment...
10-18-2017, 08:10 AM
Replies: 369
Views: 109,691
Posted By naftali

Maybe using Nishioka's Front Over Stopper...

Maybe using Nishioka's Front Over Stopper...
10-16-2017, 10:07 PM
Replies: 369
Views: 109,691
Posted By naftali

Isn't the 2k idle RPM too high for this engine? ...

Isn't the 2k idle RPM too high for this engine?
I can get the 185CDI to idle as low as 1200 on the stand. Haven't flown yet.
06-10-2017, 09:09 PM
Replies: 35
Views: 7,885
Posted By naftali

Sorry to hear what you have experienced. Were you...

Sorry to hear what you have experienced. Were you flying on 72 Mhz or 2.4 Futaba?
06-09-2017, 04:05 AM
Replies: 6
Views: 5,241
Posted By naftali

Fuel proof clearcoat

Is the Cromax clearcoat immune to 30% Nitro fuel?
Is the PPG clearcoat any better?
Thanks
06-04-2017, 01:12 AM
Replies: 224
Views: 30,644
Posted By naftali

I fly at sea level. Since I started using the DZ...

I fly at sea level. Since I started using the DZ 160 about 6 years ago, haven't touched the adjustments, be it winter or summer, temps. ranging from 10 to 40c, humidity from 20 to 90%. Morgan heli...
Showing results 1 to 25 of 59
 


 
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