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Search: Posts Made By: okcrcpilot
Showing results 1 to 23 of 23
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Forum: Gas Engines
03-06-2024, 02:28 PM
Replies: 303
Views: 52,502
Posted By okcrcpilot

Robert, follow Tom's recommendations to the...

Robert, follow Tom's recommendations to the letter and you can't go wrong. He has more knowledge and experience with radial engines than anyone else on here and I've lost track of the number of times...
Forum: Gas Engines
03-06-2024, 12:48 PM
Replies: 303
Views: 52,502
Posted By okcrcpilot

To pump or not to pump. That is the question and...

To pump or not to pump. That is the question and it all depends on the brand of radial you have. On a Moki, the carburator impulse pressure comes from within the area of the cam ring, which over...
Forum: Gas Engines
03-27-2023, 06:22 AM
Replies: 303
Views: 52,502
Posted By okcrcpilot

Tom, Good looking plane and I'm happy to...

Tom,

Good looking plane and I'm happy to hear the Moki has found a new home. When do you plan on doing a maiden?

Gary
Forum: Gas Engines
03-05-2023, 01:30 PM
Replies: 303
Views: 52,502
Posted By okcrcpilot

I do not believe UMS makes a 90cc 5-cylinder...

I do not believe UMS makes a 90cc 5-cylinder radial. They make a 75cc and 100cc 5-cylinder which is close to what you are looking for. And yes, these are good engines; well worth the money.
Forum: Gas Engines
08-04-2022, 01:55 PM
Replies: 303
Views: 52,502
Posted By okcrcpilot

When was the last time you pulled the plugs,...

When was the last time you pulled the plugs, especially #4 & #5, to see what they look like? A flying buddy had a similar problem and found those two plugs were fouled. Once he cleaned the plugs,...
Forum: Gas Engines
06-25-2022, 09:55 AM
Replies: 303
Views: 52,502
Posted By okcrcpilot

Welcome to the UMS Gas Radial Engine Enthusiasts...

Welcome to the UMS Gas Radial Engine Enthusiasts Rabbit Hole forum, karolh. LOTS for good info here and MAXAM is the go to guy for anything radial.
Forum: Gas Engines
06-06-2022, 02:12 PM
Replies: 303
Views: 52,502
Posted By okcrcpilot

David, I don't have the five cylinder...

David,

I don't have the five cylinder (mine's the 7) but I set the needles to what is recommended in the engine manual. I have never had to adjust them, even after having many flights on the...
Forum: Gas Engines
05-20-2022, 03:25 PM
Replies: 303
Views: 52,502
Posted By okcrcpilot

Wingspan of the BUSA 1/3 scale Stearman is 116"...

Wingspan of the BUSA 1/3 scale Stearman is 116" top wing, 112" bottom wing. Yes, 260 is a big engine. My PT-17 weighs in at 64lbs. wet but I have added a LOT of extras to it and I'm glad to have...
Forum: Gas Engines
05-11-2022, 03:07 PM
Replies: 303
Views: 52,502
Posted By okcrcpilot

Tom, I am SO sorry to hear of the demise of...

Tom,

I am SO sorry to hear of the demise of the Fly Baby, as well as the damage to your 257. I can only imagine what you are feeling today.

Gary
Forum: Gas Engines
05-11-2022, 04:26 AM
Replies: 303
Views: 52,502
Posted By okcrcpilot

Tom, Thank you for providing info on what...

Tom,

Thank you for providing info on what lubrications you use. It might benefit some of the new guys (me included) if you spelled out how you go about lubing your radials. I assume you use the...
Forum: Gas Engines
05-09-2022, 07:02 AM
Replies: 303
Views: 52,502
Posted By okcrcpilot

Tom, What brand/weight of oil/grease do you use...

Tom,
What brand/weight of oil/grease do you use in the gear case?

EDIT: I should have said "Cam Gear Case".

Gary
Forum: Gas Engines
05-08-2022, 06:06 AM
Replies: 303
Views: 52,502
Posted By okcrcpilot

Well, maybe there just aren't that many guys...

Well, maybe there just aren't that many guys putting radials on to their planes and that's why things have quieted down here. I flew my "17" four time this past week which brings the total flight...
Forum: Gas Engines
04-21-2022, 01:53 PM
Replies: 303
Views: 52,502
Posted By okcrcpilot

Very, Very nice Tom and thanks for posting the...

Very, Very nice Tom and thanks for posting the pictures. I would really like to see this plane in the air sometime. I'll let you know the next time we head your way.

Gary
Forum: Gas Engines
04-20-2022, 02:52 PM
Replies: 303
Views: 52,502
Posted By okcrcpilot

For sure, Tom, I thought that engine looked...

For sure, Tom, I thought that engine looked familiar!! Would really like to see a picture of your Fly Baby at the field, fully dressed and ready to go!!
Forum: Gas Engines
04-20-2022, 12:04 PM
Replies: 303
Views: 52,502
Posted By okcrcpilot

Yes, still have the PT-17 (see post #11 above)...

Yes, still have the PT-17 (see post #11 above) and sold the Moki to Tom, picking up a UMS 260 in it's place. Definitely NOTHING wrong with the Moki; it just didn't look scale to me and I am way anal...
Forum: Gas Engines
04-20-2022, 04:51 AM
Replies: 303
Views: 52,502
Posted By okcrcpilot

GREAT looking planes, Mark, and thanks for...

GREAT looking planes, Mark, and thanks for posting a video of your Wilga. Do you still have your Stearman??

Gary
Forum: Gas Engines
04-19-2022, 10:37 AM
Replies: 303
Views: 52,502
Posted By okcrcpilot

Thanks for the suggestion Tom. I wish I would...

Thanks for the suggestion Tom. I wish I would have asked this question before mounting the engine on the plane!!! Oh well, it'll give me something to do the next time it rains!!! Thanks for posting...
Forum: Gas Engines
04-19-2022, 05:37 AM
Replies: 303
Views: 52,502
Posted By okcrcpilot

Tom, By chance are there any pictures of the Fly...

Tom, By chance are there any pictures of the Fly Baby?? Just have to see the 257 on the front end of that Baby!!

Gary
Forum: Gas Engines
04-19-2022, 04:40 AM
Replies: 303
Views: 52,502
Posted By okcrcpilot

I no longer monitor head temps on the 260 since I...

I no longer monitor head temps on the 260 since I have a lot of flights on her. Since I fly Spektrum I am using their temperature sensor to keep an eye on the 100 in the AT-6. Not having flown the...
Forum: Gas Engines
04-19-2022, 04:05 AM
Replies: 303
Views: 52,502
Posted By okcrcpilot

Here is a picture of the business end on my 1/3...

Here is a picture of the business end on my 1/3 scale BUSA PT-17. UMS 260-7, that has performed flawlessly for 30+ flights now....
Forum: Gas Engines
04-18-2022, 05:57 PM
Replies: 303
Views: 52,502
Posted By okcrcpilot

Picture of the Ziroli AT-6 with a UMS 100-5 up...

Picture of the Ziroli AT-6 with a UMS 100-5 up front.
https://cimg3.ibsrv.net/gimg/www.rcuniverse.com-vbulletin/1920x1080/img_3579_28a693933e9aa927471a90be5f6d6e6a3ee432cb.jpg
Ziroli 1/5 scale AT-6...
Forum: Gas Engines
04-18-2022, 05:55 PM
Replies: 303
Views: 52,502
Posted By okcrcpilot

Seems RCU requires a member to have 10 posts...

Seems RCU requires a member to have 10 posts before pictures/URL's can be uploaded, so let's see how this goes. This should be post #10 for me.
Forum: Gas Engines
04-18-2022, 05:52 PM
Replies: 303
Views: 52,502
Posted By okcrcpilot

I am running a UMS 5-100 on a 1/5th scale Ziroli...

I am running a UMS 5-100 on a 1/5th scale Ziroli AT-6 Texan although I haven't done the maiden yet. Long story about that but the maiden probably won't happen till the end of the year. As Tom has...
Showing results 1 to 23 of 23


 
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