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Search: Posts Made By: jimkron
Showing results 1 to 25 of 32
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Forum: Gas Engines
01-10-2022, 03:39 PM
Replies: 640
Views: 252,999
Posted By jimkron

Those temps and rpm look fine to me. Temps could...

Those temps and rpm look fine to me. Temps could be a little cooler. But a lot depends on the air temp that day. If it was 90F air temp, those are good numbers. If it was 50F...I might worry...
Forum: Gas Engines
01-08-2022, 05:06 PM
Replies: 640
Views: 252,999
Posted By jimkron

Same here on the Klotz. Everything looks great. ...

Same here on the Klotz. Everything looks great. Little rich is not bad. What kind of RPMs and temps are you getting?

jim
Forum: Gas Engines
12-29-2021, 06:04 PM
Replies: 640
Views: 252,999
Posted By jimkron

Same thing happened to me while tuning and...

Same thing happened to me while tuning and running tanks on a test stand with a NIMH. Manual suggest 2-3s LIPO.
Why take a change on voltage. I only use 3s Lipos in the air.
Forum: Gas Engines
12-20-2021, 10:43 PM
Replies: 640
Views: 252,999
Posted By jimkron

Ray English did the hub change on my FG 90. He...

Ray English did the hub change on my FG 90. He gaps plugs at .016. My engine runs flawlessly.

jim
Forum: Gas Engines
12-19-2021, 10:57 PM
Replies: 640
Views: 252,999
Posted By jimkron

We fly the TopRc Zero (93") with the Saito FG 84...

We fly the TopRc Zero (93") with the Saito FG 84 and a Biella 22 x 12 3-bladed prop. 6100 on the ground BUT it can unload in the sky to 7000 rpm. No reason to rev that high. Nothing good happens...
Forum: Gas Engines
12-19-2021, 10:39 PM
Replies: 640
Views: 252,999
Posted By jimkron

I wrap mine around cylinder #1. I usually put...

I wrap mine around cylinder #1. I usually put the sensor in the front of the head near the top in between the fins.
I cut the sensor cable and solder a JST connector in-line. This way I can...
Forum: Gas Engines
07-07-2021, 04:50 PM
Replies: 640
Views: 252,999
Posted By jimkron

My friend and I had no issues with his new FG 90....

My friend and I had no issues with his new FG 90. No mods at all. We broke it in, tuned it, and flew. No problems at all.
If you have the time, money, skills, and a hub puller, then give it a...
Forum: Gas Engines
07-07-2021, 06:59 AM
Replies: 640
Views: 252,999
Posted By jimkron

Is there an earlier version of the FG 90? I'm...

Is there an earlier version of the FG 90? I'm not sure. You might be confusing the FG 90 with the FG 84. ( I have both). The FG 90 is nothing but a bored out FG 84 PLUS some mods for better fuel...
Forum: Gas Engines
10-21-2020, 06:56 AM
Replies: 640
Views: 252,999
Posted By jimkron

In terms of the Waco, baffles will help, but...

In terms of the Waco, baffles will help, but remember that air exiting the cowl is part of the equation. I'm still working through that challenge on my FW 190. Air exits are minimal.

jim
Forum: Gas Engines
10-21-2020, 06:47 AM
Replies: 640
Views: 252,999
Posted By jimkron

I've only done a break-in on the ground. Those...

I've only done a break-in on the ground. Those are good starting points if you are unfamiliar. These engines are are pretty sensitive. The slightest adjustment could change performance. Weather,...
Forum: Gas Engines
10-20-2020, 04:21 PM
Replies: 640
Views: 252,999
Posted By jimkron

What prop are you using? Baffles are a must for...

What prop are you using? Baffles are a must for this engine. They should be about 25mm back from the front of the heat sink. This puts the baffles right around the engine center line. Make sure you...
Forum: Gas Engines
09-07-2020, 05:16 PM
Replies: 640
Views: 252,999
Posted By jimkron

Darod, That sucks. Engine should not break...

Darod,
That sucks. Engine should not break like that.
I assume you had it properly baffled.
Any idea what your RPMs in the sky were after prop unloading? Temps while flying?

jim
Forum: Gas Engines
02-18-2020, 07:43 AM
Replies: 640
Views: 252,999
Posted By jimkron

No surprise re: Horizon. They must protect the...

No surprise re: Horizon. They must protect the brand. I think the Saito runs better with the modifications...that does not mean it won't run without them. Either way you have a great engine.
Forum: Gas Engines
02-17-2020, 10:38 PM
Replies: 640
Views: 252,999
Posted By jimkron

No problem. Interesting discovery. I just read my...

No problem. Interesting discovery. I just read my new Saito FG 90 instructions and it says you can use a 2s or 3s lipo (6-12v)
BUT the ignition module says 6-8.4 volts. HMMMMMMM. I'll stick with 2s...
Forum: Gas Engines
02-17-2020, 03:38 PM
Replies: 640
Views: 252,999
Posted By jimkron

Life will work but ....More voltage better. ...

Life will work but ....More voltage better. Minimum, Go with 2s lipo in the 2000 mah range. You could also go 3s with a voltage regulator to keep you under the max allowed. Save the life batts for...
Forum: Gas Engines
01-22-2020, 09:20 AM
Replies: 640
Views: 252,999
Posted By jimkron

Agree, baffles a must. The prop fan/hub by...

Agree, baffles a must. The prop fan/hub by Ziroli is also an interesting way to go...like on the real plane. On my Zero I cut the cowl flaps off and re-positioned them more open. Made a difference...
Forum: Gas Engines
01-20-2020, 06:43 PM
Replies: 640
Views: 252,999
Posted By jimkron

Very cool. Thank you.

Very cool. Thank you.
Forum: Gas Engines
01-20-2020, 04:14 PM
Replies: 640
Views: 252,999
Posted By jimkron

Ok, I have a question for the experts. Can a FG...

Ok, I have a question for the experts. Can a FG 90 be run upside down? Worried about over-heating the Saito in a TopRC FW 190. The top cylinder gets no airflow. If the engine was upside down I...
Forum: Gas Engines
01-20-2020, 04:10 PM
Replies: 640
Views: 252,999
Posted By jimkron

The prop is a Biala 22 x12 three bladed. Ray...

The prop is a Biala 22 x12 three bladed. Ray English did a mod to the timing hub. Amazing sound, power, and ease of start. Engine unloads to over 7000 rpm in the air. Not good or needed. We try...
Forum: Gas Engines
01-20-2020, 04:05 PM
Replies: 640
Views: 252,999
Posted By jimkron

TOW 31 lbs. I put around 1.5 lbs in the very...

TOW 31 lbs. I put around 1.5 lbs in the very front of the cowl.
Forum: Gas Engines
01-20-2020, 08:53 AM
Replies: 640
Views: 252,999
Posted By jimkron

My TopRC Zero has the FG 84 with a Keleo exhaust....

My TopRC Zero has the FG 84 with a Keleo exhaust. Performance is amazing. Super scaled out with a Full Cockpit detail. Frankly, I bet mine is on the heavier side .
Here it is at the US Scale...
Forum: Gas Engines
11-25-2019, 02:41 PM
Replies: 640
Views: 252,999
Posted By jimkron

The threaded choke bar is useless. It is suppose...

The threaded choke bar is useless. It is suppose to thread into the carb and choke the engine by pulling the butter-fly shut. I think it's dangerous to pull the butter-fly with this device while...
Forum: Gas Engines
11-21-2019, 08:53 PM
Replies: 640
Views: 252,999
Posted By jimkron

Agree about the over-rev. Ray was concerned as...

Agree about the over-rev. Ray was concerned as well. Prop up or throttle down.
Forum: Gas Engines
11-21-2019, 08:34 AM
Replies: 640
Views: 252,999
Posted By jimkron

Are you familiar with Ray English and his Saito...

Are you familiar with Ray English and his Saito FG 84/90 modifications?
He has modified/repaired over a 500 of these engines. He's licensed several of his mods directly to Saito. I've been to his...
Forum: Gas Engines
11-20-2019, 12:09 PM
Replies: 640
Views: 252,999
Posted By jimkron

For sure that might work. I'm close to buying...

For sure that might work.
I'm close to buying another warbird that the FG 90 would be perfect for. I might have to play with the concept.
Since the baffles were not attached to the cowl, how did...
Showing results 1 to 25 of 32
 
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