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Search: Posts Made By: jairaksinen
Showing results 1 to 25 of 55
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Forum: RC Warbirds and Warplanes
09-19-2016, 08:20 AM
Replies: 5,152
Views: 1,361,612
Posted By jairaksinen

Perhaps these engines are individuals, Mine works...

Perhaps these engines are individuals, Mine works perfectly with full open on the carb, although I have done some modification to the inlet lines to get a better flow. Perhaps that has some positive...
Forum: RC Warbirds and Warplanes
09-19-2016, 08:14 AM
Replies: 5,152
Views: 1,361,612
Posted By jairaksinen

Mine had very tight nuts, but two intake lines...

Mine had very tight nuts, but two intake lines were still leaking between the nut and the intake pipe. I changed the copper gaskets and put some teflon tape. Since then the engine has been like a wet...
Forum: RC Warbirds and Warplanes
09-18-2016, 11:22 PM
Replies: 5,152
Views: 1,361,612
Posted By jairaksinen

Well my Moki 250 does not behave in that way, it...

Well my Moki 250 does not behave in that way, it increases RPM until it is at full throttle. It is true that with the butterfly type valve there is not much happening after 3/4 position, but when I'm...
Forum: RC Warbirds and Warplanes
09-07-2016, 09:51 PM
Replies: 5,152
Views: 1,361,612
Posted By jairaksinen

Hello, I'm now almost done... Just wanted to...

Hello, I'm now almost done... Just wanted to confirm the timing gear alignment. In the picture you see the little dot on the gear that is now aligned with the top cylinder being at top dead center....
Forum: RC Warbirds and Warplanes
09-05-2016, 09:55 PM
Replies: 5,152
Views: 1,361,612
Posted By jairaksinen

Looks like I need to change the bearings to my...

Looks like I need to change the bearings to my Moki 250. Anyone here done it yet? What are the things to pay attention to and what would be the easiest way to do it?

Jyrki
Forum: RC Warbirds and Warplanes
08-10-2016, 10:15 AM
Replies: 5,152
Views: 1,361,612
Posted By jairaksinen

That low pass does sound like close to 6000 rpm...

That low pass does sound like close to 6000 rpm...
Forum: RC Warbirds and Warplanes
08-10-2016, 10:13 AM
Replies: 5,152
Views: 1,361,612
Posted By jairaksinen

If only I had a constant RPM prop :cool:. But yes...

If only I had a constant RPM prop :cool:. But yes I do agree, that the engine is at its best on lower rpm.
Forum: RC Warbirds and Warplanes
08-10-2016, 07:40 AM
Replies: 5,152
Views: 1,361,612
Posted By jairaksinen

Below 6000 rpm I believe is the recommendation....

Below 6000 rpm I believe is the recommendation. Over the last weekend I tested some idle RPMs, 410-470 rpm without loosing the lower cylinders! I kept it at that for about a minute and it feels it...
Forum: RC Warbirds and Warplanes
07-28-2016, 09:52 AM
Replies: 5,152
Views: 1,361,612
Posted By jairaksinen

Hello, Here's test flight with my 120" Don...

Hello,

Here's test flight with my 120" Don Smith Corsair and Moki 250. The prop is a 32" "solo prop" from CARF models with carbon blades. The pitch is set to about 23" calculated from the blade...
Forum: RC Warbirds and Warplanes
09-13-2014, 10:59 PM
Replies: 5,152
Views: 1,361,612
Posted By jairaksinen

Well I have had both, Solo Prop and now the CARF...

Well I have had both, Solo Prop and now the CARF version. They are identical, and it has the dial in the center, just like solo prop has. Perhaps they just forgot it from yours.
Forum: RC Warbirds and Warplanes
08-29-2014, 06:07 AM
Replies: 5,152
Views: 1,361,612
Posted By jairaksinen

At least Airworld.de sells baffling for Moki ...

At least Airworld.de sells baffling for Moki

http://www.airworld.de/Englisch/Index.htm

Also CARF models sells the same SOLO 3blade hub with carbon blades. They seem to have plenty in stock.
Forum: RC Warbirds and Warplanes
08-19-2014, 11:59 PM
Replies: 5,152
Views: 1,361,612
Posted By jairaksinen

My plane weights about 60 pounds. According to...

My plane weights about 60 pounds. According to the telemetry the plane goes close to 200kmh level flight. So yes it does flies well and fast enough. With the menzS 32x20 two blade I recorded 234kmh...
Forum: RC Warbirds and Warplanes
08-19-2014, 01:14 PM
Replies: 5,152
Views: 1,361,612
Posted By jairaksinen

Well the 20" pitch is from the Solo prop dial...

Well the 20" pitch is from the Solo prop dial manual. I tried to calculate it measuring the angle of the blade and got 19,8" pitch so I suppose it is in the ball park. I actually went further on...
Forum: RC Warbirds and Warplanes
08-11-2014, 09:19 PM
Replies: 5,152
Views: 1,361,612
Posted By jairaksinen

I've also had cylinder cranked when couple of...

I've also had cylinder cranked when couple of bolts failed, lost a exhaust rod, and intake rod. But still to engine kept on running. And now it just died on me with everything in place. I started...
Forum: RC Warbirds and Warplanes
08-11-2014, 10:49 AM
Replies: 5,152
Views: 1,361,612
Posted By jairaksinen

yes the engine is still easy to turn around and...

yes the engine is still easy to turn around and all the pushrods are still there. I have a Solo prop 3 blade 32x20", it takes around 4000rpm static and unloads to about 5500rpm in the air. My brother...
Forum: RC Warbirds and Warplanes
08-10-2014, 11:05 PM
Replies: 5,152
Views: 1,361,612
Posted By jairaksinen

Hello, Last weekend my Moki 250 quit on me...

Hello, Last weekend my Moki 250 quit on me suddenly. I was doing a full throttle low pass when the engine suddenly quit. The propeller was rotating until the plane crashed just 10meter from the...
Forum: RC Warbirds and Warplanes
07-26-2014, 09:05 PM
Replies: 5,152
Views: 1,361,612
Posted By jairaksinen

Indeed, I measured about 80# of static thrust...

Indeed, I measured about 80# of static thrust with Moki 250 and a Falcon 36X14 2-blade
Forum: RC Warbirds and Warplanes
02-17-2014, 10:10 AM
Replies: 5,152
Views: 1,361,612
Posted By jairaksinen

I remember someone mentioned about the bleeder...

I remember someone mentioned about the bleeder before on this thread. However, If you look at the intake channels, you'll probably see sharp corners and missaligned drillings. I fixed that on my...
Forum: RC Warbirds and Warplanes
01-06-2014, 05:42 AM
Replies: 5,152
Views: 1,361,612
Posted By jairaksinen

It is the 120" version, but modified with...

It is the 120" version, but modified with hydraulic wing folding. I've also had the thought of repainting it to the Reno schemes, but we'll see.
Forum: RC Warbirds and Warplanes
01-06-2014, 05:21 AM
Replies: 5,152
Views: 1,361,612
Posted By jairaksinen

I know the CARF corsair cannot handle the speeds...

I know the CARF corsair cannot handle the speeds my plane is running at. Therefore it is good that it is not a CARF model, but a build from Don Smith plans. And for the scale appearance, it is...
Forum: RC Warbirds and Warplanes
01-05-2014, 07:25 AM
Replies: 5,152
Views: 1,361,612
Posted By jairaksinen

Today I did some experiments. With the original...

Today I did some experiments. With the original heads with 32x24 soloprop it took 3470rpm (well the intake lines leaving the crackcase was smoothened). With the new head, the soloprop pitch was...
Forum: RC Warbirds and Warplanes
01-02-2014, 11:51 AM
Replies: 5,152
Views: 1,361,612
Posted By jairaksinen

Yes, well I don't need more power either, just...

Yes, well I don't need more power either, just want to see if it can give more power. And if it is now consuming more fuel, one would expect it would give more power. I suppose it could unload even...
Forum: RC Warbirds and Warplanes
01-02-2014, 11:43 AM
Replies: 5,152
Views: 1,361,612
Posted By jairaksinen

That's another funny thing, I remember reading it...

That's another funny thing, I remember reading it here that there is a electronic limit at 6000rpm starting to cut of ignition. well either it is not true or mine is not working.
Forum: RC Warbirds and Warplanes
01-02-2014, 07:48 AM
Replies: 5,152
Views: 1,361,612
Posted By jairaksinen

I have a 32" three blade solo prop at about...

I have a 32" three blade solo prop at about 18-19" pitch. It takes some 4300rpm on the ground which is the same than my 32x20" Menz. Also I've seen the soloprop to unload to 6500rpm in a shallow...
Forum: RC Warbirds and Warplanes
01-02-2014, 06:04 AM
Replies: 5,152
Views: 1,361,612
Posted By jairaksinen

I hope there are more clever people here than I...

I hope there are more clever people here than I am. I've been tuning my Moki 250 intake and exhaust ports so the there are no sharp bends and that the flow does not experience any unnecessary...
Showing results 1 to 25 of 55
 
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