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Search: Posts Made By: AA5BY
Showing results 1 to 12 of 12
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Forum: Engine Conversions
01-08-2018, 07:41 PM
Replies: 26
Views: 4,476
Posted By AA5BY

I would agree that one of the criteria of a...

I would agree that one of the criteria of a conversion to gas is a good cooling environment.

A few more thoughts. The cost of the conversion was right at $90 (ignition, plug and opto switch). 48...
Forum: Engine Conversions
01-07-2018, 07:44 AM
Replies: 26
Views: 4,476
Posted By AA5BY

Conversion Report

Too often follow up reports are not given, leaving questions about the outcome of some endeavor.

The Saito 125a gas conversion has now logged a total of 48 ten min flights and continues to perform...
Forum: Engine Conversions
10-02-2017, 06:38 PM
Replies: 26
Views: 4,476
Posted By AA5BY

No problems with the Saito 1.25A overheating but...

No problems with the Saito 1.25A overheating but I should add, that it had really good cooling with air directed at the full jug and air scoops bringing air into the top of the cowl which then...
Forum: Engine Conversions
08-07-2017, 03:59 PM
Replies: 26
Views: 4,476
Posted By AA5BY

Yep, my comment of why the stumble had it wrong. ...

Yep, my comment of why the stumble had it wrong.

Regarding servo slow down being a band aid.... that is true, but we use all sorts of counter efforts to solve problems. Down thrust is a band aid...
Forum: Engine Conversions
07-29-2017, 06:53 PM
Replies: 26
Views: 4,476
Posted By AA5BY

The handle is my Ham radio call sign. I had...

The handle is my Ham radio call sign.

I had heat telemetry for a while but the sensor gave out. My current system is the old feel the hub for heat comparison.
Not knowing whether detonation was...
Forum: Engine Conversions
07-29-2017, 05:27 AM
Replies: 26
Views: 4,476
Posted By AA5BY

Conversion update

I've now twenty flights on the conversion since the repair, 28 total. No dead sticks in that time. It has handled upper 90's temperatures. When my bench is cleared of the current build project, the...
Forum: Engine Conversions
07-09-2017, 03:22 PM
Replies: 26
Views: 4,476
Posted By AA5BY

Impressive numbers.... you have every right to...

Impressive numbers.... you have every right to feel good about such an effort. And... finding enjoyment in whatever phase of this or any hobby or interest is of great value. I certainly enjoyed the...
Forum: Engine Conversions
07-09-2017, 06:19 AM
Replies: 26
Views: 4,476
Posted By AA5BY

No doubt. It is highly gratifying when ones...

No doubt. It is highly gratifying when ones efforts produce great results.
Forum: Engine Conversions
07-08-2017, 12:06 PM
Replies: 26
Views: 4,476
Posted By AA5BY

Nothing was noted on the top of the piston and I...

Nothing was noted on the top of the piston and I didn't know to look for oil baking on underside of crown. The .013 shim cost 300 rpm but on the Cub, the loss didn't hurt too much, stripping about...
Forum: Engine Conversions
07-07-2017, 06:37 PM
Replies: 26
Views: 4,476
Posted By AA5BY

Some update on the conversion. After the last...

Some update on the conversion. After the last post, the very next flight incurred a broken big end. The cause is uncertain but does not appear to be from lack of lubrication as the bearing surfaces...
Forum: Engine Conversions
06-02-2017, 03:39 PM
Replies: 26
Views: 4,476
Posted By AA5BY

Very true about the hotter temperatures. Gas...

Very true about the hotter temperatures. Gas engines are critical about having full jug prop blast to cool them and even so, the air can't linger there, it has to then easily flow out of a cowl....
Forum: Engine Conversions
06-01-2017, 07:35 PM
Replies: 26
Views: 4,476
Posted By AA5BY

Saito 1.25 from glow to gas

I've had a Saito 1.25 on the shelf for several years, it being taken out of service for a couple of reasons. It was hard to hand start and would bark the fingers till they hurt. To use an electric...
Showing results 1 to 12 of 12


 
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