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Search: Posts Made By: Kahu1958
Showing results 1 to 25 of 33
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Forum: Gas Engines
07-13-2018, 02:54 PM
Replies: 59
Views: 18,933
Posted By Kahu1958

I have had my XYZ53 for many years now and it is...

I have had my XYZ53 for many years now and it is still a good reliable engine. I doubt the engine mount pattern would be identical to any other engine of similar size or power.
Although my engine...
Forum: Gas Engines
07-25-2016, 11:27 PM
Replies: 2,806
Views: 708,786
Posted By Kahu1958

Hi AlfieV, I would not try to land much slower...

Hi AlfieV, I would not try to land much slower with this model until you are a lot more familiar with its slow speed handling and stall characteristics, I thought it looked slow but it is hard to...
Forum: Gas Engines
07-24-2016, 01:28 AM
Replies: 2,806
Views: 708,786
Posted By Kahu1958

A few weeks ago I got some video of Alf's Saito...

A few weeks ago I got some video of Alf's Saito FG-60R3 powered Zero. Second flight for this plane I think. Sounds beautiful.

https://youtu.be/17fbIf8eY5g
Forum: Gas Engines
07-04-2016, 12:08 AM
Replies: 59
Views: 18,933
Posted By Kahu1958

I have been using the XYZ 53 for years and it has...

I have been using the XYZ 53 for years and it has had many hours of use. It has proven very reliable and powerful.
At a recent fly-in I met a visiting flyer with one of these engine in a BlackHorse...
Forum: Gas Engines
09-12-2015, 10:39 PM
Replies: 435
Views: 86,045
Posted By Kahu1958

I received my VVRC 40 Twin back from Valley view...

I received my VVRC 40 Twin back from Valley view RC after having the crankshaft replaced on warranty.
Flew seven 10 to 12 minute flights this weekend. It starts easily, runs well with lots of...
Forum: Gas Engines
08-22-2015, 01:00 PM
Replies: 435
Views: 86,045
Posted By Kahu1958

Hi Jim I gave them a call yesterday, and as it...

Hi Jim
I gave them a call yesterday, and as it happened they were in the process of packaging my engine to return it to me after being repaired. Repair and return shipping covered by warrantee....
Forum: Gas Engines
08-07-2015, 03:31 PM
Replies: 435
Views: 86,045
Posted By Kahu1958

Yes I believe it is only with the 40cc twin, and...

Yes I believe it is only with the 40cc twin, and apparently only one batch of them.
Forum: Gas Engines
08-07-2015, 01:40 PM
Replies: 435
Views: 86,045
Posted By Kahu1958

Thanks for the reply . I purchased mine from VVRC...

Thanks for the reply . I purchased mine from VVRC online in January this year, on the early side of the time. I do not have the serial number as I have returned it. Hopefully it will arrive there...
Forum: Gas Engines
08-01-2015, 10:49 PM
Replies: 435
Views: 86,045
Posted By Kahu1958

The VVRC 40cc Twin I had certainly seemed to have...

The VVRC 40cc Twin I had certainly seemed to have lots of power. 7500 RPM on a 20X8 prop on the ground. Lots of power in the air. Great little engine performance wise.
As far as longevity goes...
Forum: Gas Engines
07-12-2015, 06:04 PM
Replies: 435
Views: 86,045
Posted By Kahu1958

VVRC40cc Twin

The VVRC40 twin with 1/4" plugs fits nicely in the Seagull Models 30cc Edge 540. It has lots of power, great vertical performance. 7500 RPM on master airscrew 20X8 prop 1200 RPM idle. Custom exhaust...
Forum: Gas Engines
10-29-2012, 07:41 PM
Replies: 59
Views: 18,933
Posted By Kahu1958

RE: XYZ 53-STS Twin

One problem some people have had is the engine miss-firing intermittently.
The spark plug caps are very loose and the shielding is the earth for the CDI circuit (they may not always be in contact),...
Forum: Electric General Discussion
10-05-2012, 02:12 PM
Replies: 7
Views: 1,286
Posted By Kahu1958

RE: down and locked gear failure

A few months ago I contacted Down and Locked regarding converting Robart 150HD9 retracts to electric. They said they would do it for $500 (incuding shipping)or I could wait for the DIY Robart...
Forum: RC Gliders, Sailplanes and Slope Soaring
03-16-2012, 08:40 PM
Replies: 1
Views: 967
Posted By Kahu1958

Variometer telemetry

I see that FrSky 2.4GHz radio modules offer telemetry, including a variometer.
http://www.frsky-rc.com/ShowProducts.asp?id=92
Can this be used as an audio vario or does it only have an alarm and...
Forum: Gas Engines
10-15-2011, 05:48 PM
Replies: 59
Views: 18,933
Posted By Kahu1958

RE: XYZ 53-STS Twin

It would be very tight in a 9"cowl. It measures just under 9"accross the spark plug caps approximately 1 1/2" above the prop shaft. (widest point is not level with the prop shaft).
Not sure where...
Forum: Gas Engines
09-28-2011, 01:43 PM
Replies: 59
Views: 18,933
Posted By Kahu1958

RE: XYZ 53-STS Twin

I have my engine running well now, it misses a bit at low RPM but quits if I lean it out any more. Good at higher RPM, possibly with the magnet too far forward the sensor signal may not be as...
Forum: Gas Engines
09-18-2011, 08:35 PM
Replies: 59
Views: 18,933
Posted By Kahu1958

RE: XYZ 53-STS Twin

Glad to hear you got a good engine Dave.
I was just wondering though, on yours where does the magnet on the prop driver pass in relation to the sensor, on mine half the magnet sticks out beyond the...
Forum: Gas Engines
09-12-2011, 01:46 PM
Replies: 59
Views: 18,933
Posted By Kahu1958

RE: XYZ 53-STS Twin

Thanks for that, I had not checked the timing but will now.
Forum: Gas Engines
08-26-2011, 12:57 PM
Replies: 59
Views: 18,933
Posted By Kahu1958

RE: XYZ 53-STS Twin

I do wish the engine manufacturer had angled the spark plugs aft instead of up. it would fit better into scale horizontally opposed or radial engined scale models.
Forum: Gas Engines
08-24-2011, 08:52 PM
Replies: 59
Views: 18,933
Posted By Kahu1958

RE: XYZ 53-STS Twin

Spark plug boots add a lot to the overall width of these engines. Not many engine manufacturers give engine dimensions including spark plug boots.
It is easy to be caught out when buying an engine...
Forum: Gas Engines
08-24-2011, 08:48 PM
Replies: 59
Views: 18,933
Posted By Kahu1958

RE: XYZ 53-STS Twin

No not that I know of. I meant that different manufacturers have different setups, RCGF 50 is rear carb and XYZ 53 carb is bottom mounted (updraft carb)
Forum: Gas Engines
08-20-2011, 01:05 PM
Replies: 59
Views: 18,933
Posted By Kahu1958

RE: XYZ 53-STS Twin

Thanks Kiwi Bandit. My muffler does have a leak a bit as well, but nowhere near as bad as the one on a Turnigy HP50 I have. I was tempted to change the CDI unit, I did wonder if the missfire was due...
Forum: Gas Engines
08-19-2011, 01:28 PM
Replies: 59
Views: 18,933
Posted By Kahu1958

RE: XYZ 53-STS Twin

No, I have no other issues with it. It is cheap for a twin and so far seems easy to start,reliable and powerful. The only issue for me was tuning (after buying better spark plugs), and possibly a...
Forum: Gas Engines
08-19-2011, 12:58 PM
Replies: 59
Views: 18,933
Posted By Kahu1958

RE: XYZ 53-STS Twin

The XYZ 53 claims more power than the 50cc twins.
The engines listed have differences like different carb locations and different spark plug locations, spark plugs sticking straight out from a twin...
Forum: Gas Engines
08-18-2011, 11:17 PM
Replies: 59
Views: 18,933
Posted By Kahu1958

RE: XYZ 53-STS Twin

It is up to you, I had some problems with mine but it is going okay. Lower vibration than a single is a plus.
Kondor Model Products also sell a 50cc twin (Aerovate) or RCGF make a 50cc twin, no...
Forum: Gas Engines
08-15-2011, 12:06 AM
Replies: 59
Views: 18,933
Posted By Kahu1958

RE: XYZ 53-STS Twin

I have not been doing much flying lately as it is the middle of winter here. I did get one flight in on sunday before being rained out.
The engine started easily and is running reasonably well and...
Showing results 1 to 25 of 33
 
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