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Search: Posts Made By: choihjin
Showing results 1 to 25 of 54
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Forum: RC Pattern Flying
12-23-2013, 03:49 AM
Replies: 168
Views: 32,424
Posted By choihjin

Dear Tele; Are you the tele1974 in Frsky...

Dear Tele;
Are you the tele1974 in Frsky Taranis forum?
Regards

seagovernor
Forum: RC Pattern Flying
12-23-2013, 12:19 AM
Replies: 168
Views: 32,424
Posted By choihjin

Hi! John; The stock muffler of OS GT33 is known...

Hi! John;
The stock muffler of OS GT33 is known as a real muffler among OS gas engine users, it is not like other stock mufflers. When I fly the mod Vanquish, My club mates did not recognize it has...
Forum: RC Pattern Flying
12-01-2013, 09:42 PM
Replies: 168
Views: 32,424
Posted By choihjin

Hi, Matt; My both gasified planes are equipped...

Hi, Matt;
My both gasified planes are equipped with OS stock muffler which are really a muffler, very quiet, quieter than YS stock mufflers, IMO.
Sebart's Wind S 110 is quite large plane, but not...
Forum: RC Pattern Flying
11-30-2013, 10:06 AM
Replies: 168
Views: 32,424
Posted By choihjin

Hi, Matt. I have so far flown my gas mod...

Hi, Matt.
I have so far flown my gas mod Vanquish about 60 flights. I am very satisfied with this gasified Vanquish, so I gasified another plane, Sebart's Wind S 110, which I have flown around 3...
Forum: RC Pattern Flying
10-13-2013, 08:33 PM
Replies: 168
Views: 32,424
Posted By choihjin

My Vanquish is finally converted to the...

My Vanquish is finally converted to the gas-powered with OS GT 33 gasoline engine, following with Matt's suggested procedure.
With my soft mount, OS Gt 33 engine with stock muffler, 2600 mA/h Lipo...
Forum: RC Pattern Flying
09-30-2013, 02:58 AM
Replies: 168
Views: 32,424
Posted By choihjin

Hi Patrick; I am just following Matt K's...

Hi Patrick;
I am just following Matt K's instruction.
Anyway the video tells everything.
I believe Matt K will answer for your question.
Forum: RC Pattern Flying
09-30-2013, 01:54 AM
Replies: 168
Views: 32,424
Posted By choihjin

Dear Matt and Bob The soft mount was tested...

Dear Matt and Bob
The soft mount was tested with 33 gasoline engine on an engine test bed.
I think its performance is great. Please, see the video....
Forum: RC Pattern Flying
09-26-2013, 08:43 PM
Replies: 168
Views: 32,424
Posted By choihjin

Now I am posting my first hand-made soft mount...

Now I am posting my first hand-made soft mount for OS 33GT.
Thanks a lot Matt. Your guidance really helped me very much.
Mine (130 g) is heavier than what you and I expected. Probably I glued too...
Forum: RC Pattern Flying
09-26-2013, 08:34 PM
Replies: 168
Views: 32,424
Posted By choihjin

Thanks Matt K and Bob for your concern on my soft...

Thanks Matt K and Bob for your concern on my soft mount project.
After glued the flat-head bolt with carbon washer on the front plate, and epoxied the balsa ring on the front plate.
After hardened...
Forum: RC Pattern Flying
09-24-2013, 04:07 PM
Replies: 168
Views: 32,424
Posted By choihjin

Dear Matt; I am learning a lot from you, Thanks...

Dear Matt;
I am learning a lot from you, Thanks a lot.
I got some knowledge from Google, but your descriptions are much valuable for me practically.
Still waiting for stand-off mount, I am almost...
Forum: RC Pattern Flying
09-23-2013, 06:57 PM
Replies: 168
Views: 32,424
Posted By choihjin

Thank a lot for your kind instructions. I...

Thank a lot for your kind instructions.
I ordered four stand-off mount M5-30mm(L) both end threaded, and four carbon engine mount washers (18mm(OD)x5mm(ID)x4mm(thickness)).
And I bought flat-head...
Forum: RC Pattern Flying
09-22-2013, 10:55 PM
Replies: 168
Views: 32,424
Posted By choihjin

Dear Matt: Thanks for your prompt reply. The...

Dear Matt:
Thanks for your prompt reply.
The thickness of the rubber is 1.0-1.1 mm, which just snug fit on the balsa space (width 15 mm).
You recommend not to cut it, just glue it on the ring....
Forum: RC Pattern Flying
09-22-2013, 04:58 PM
Replies: 168
Views: 32,424
Posted By choihjin

Dear Matt; I just made a ring, front plate and...

Dear Matt;
I just made a ring, front plate and back plate.
Diameter of the ring are 88 mm inner diameter and 107 mm, so 9.5 mm thickness.
Thickness of Front plate is 5.5 mm (2x3/32'' +GF), and...
Forum: RC Pattern Flying
09-15-2013, 03:45 AM
Replies: 168
Views: 32,424
Posted By choihjin

Matt, Thanks for quick response. Actually I...

Matt, Thanks for quick response.
Actually I have searched all your thread about the soft mount, and organized all your writing.
I'll look at it again and will search whether a suitable tire tube...
Forum: RC Pattern Flying
09-14-2013, 08:19 PM
Replies: 168
Views: 32,424
Posted By choihjin

Dear Matt I show your gasified VQ in you tube....

Dear Matt
I show your gasified VQ in you tube. It was great.
You might remember I had Smaragd with OS 33GT, which I lost due to radio failure.
Then I am flying Extra 330 with OS 33, but I am not...
Forum: Gas Engines
07-05-2013, 02:58 AM
Replies: 585
Views: 185,096
Posted By choihjin

RE: OS GT33 33cc gasser

Hi!
I have almost same experience on my third OS GT 33 recently. My engine was also about 2 month old, but it was perfectly tuned.
It was good condition on a Extra 330 until Saturday, but during...
Forum: Gas Engines
07-02-2013, 01:13 AM
Replies: 68
Views: 10,674
Posted By choihjin

RE: Sad day for gas engines - Pe Rievers

My condolences to the great engine man, Pe Reivers
Forum: Gas Engines
01-24-2013, 10:34 PM
Replies: 72
Views: 7,601
Posted By choihjin

RE: Super Unleaded Gas = Loss of Performance?

Hi
One more additon to ON debating.
In Korea all gasoline has some of MTBE , no ethanol at all. The ON numbers are based on RON, so slightly higer ON than in USA. They keep the aromatic contents...
Forum: Beginners
01-19-2013, 06:16 AM
Replies: 26
Views: 3,534
Posted By choihjin

RE: LiFe batteries on a starter?

I have been using a 20C 3S-3300 Lipo instead of Pb battery for a geared starter and a charger at field more than four years. It could turn up to YS 170 and DLE 30. Recently I upgraded to a Flightmax...
Forum: Gas Engines
12-29-2012, 06:07 AM
Replies: 52
Views: 11,714
Posted By choihjin

RE: smallest Gas engines

My DLE 20 gas/glow conversion without ignition was very succeful for small plane.
I posted some threads in 'gas/glow how to' forum with videos, http://youtu.be/Cyquiy6UTDo.
Forum: Gas Engines
12-26-2012, 11:58 AM
Replies: 585
Views: 185,096
Posted By choihjin

RE: OS GT33 33cc gasser

Dear MattK
Nice to see you and your successful gas-powered F3A plane. I was very curious about you who is very talented in making all kind of hardwares, such as hand-made carbon props, exhaust...
Forum: Batteries & Chargers
12-14-2012, 02:40 PM
Replies: 42
Views: 8,345
Posted By choihjin

RE: LIFE battery charging in the plane question

I wish to have a balance charger like this for LiFe, then we can charge LiFe through the balance jack; Hobbyking DC-4S Balance Charger & Cell Checker 30w 2s~4s, which is for LiPo only.
Forum: Engine Conversions
03-31-2012, 03:18 AM
Replies: 2,424
Views: 298,594
Posted By choihjin

RE: gas fuel with glo plug no ignition

Dear CaptinJohn;
I just read your thread on Supertiger 3000 running with L85 gasoline posted on 7/22/2010. I have a questiion on a supertiger engine.
Recently I have posted my threads on my...
Forum: RC Pattern Flying
03-27-2012, 09:10 PM
Replies: 614
Views: 197,740
Posted By choihjin

RE: OS 33GT Gasoline Engine for Pattern

Deat MattK
You are going to close this thead.
I admire you on your passionated trials for F3A planes powered with gas engines. It ends up with successful results. I believe many F3A fliers will...
Forum: RC Pattern Flying
03-20-2012, 02:40 AM
Replies: 614
Views: 197,740
Posted By choihjin

RE: OS 33GT Gasoline Engine for Pattern

Dear MattK
It is very useful. I am going to tell my friend who is struggling to tight his E40 tube to Hatori header. Onece he tried to fit those with a silicone tube. The tube was not durable...
Showing results 1 to 25 of 54
 
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