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Everything Radial Engines

Old 07-17-2013, 03:14 PM
  #3576  
fredo
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Default RE: Everything Radial Engines

Hi Richard
Thanks, for opening my eyes a bit. Yours looks really nice. I just love these Mulligans and Monocoupes. I thought at the right scale, the Moki 150 would be perfect. I assume there would be considerable difference flying Gee Bee and Mulligan. Hmm...probably depends on wing loading. I guess a heavy Mulligan can be just as challenging as Comp Arf Gee Bee. I'm thinking being a high wing..would be more stable. Anyway, that Evo 9-99 certainly looks part. It's nearly as heavy as Moki 150. What is the wingspan of your Mulligan? If I'm correct Wendell's is about 98". I could enlarge it a bit. This would mean I would have to make my own cowling and wheel spats. Not really a big deal for an old scratch builder.
Btw, I saw your video on you tube Mulligan vs Gee Bee ..very cool.
Old 07-17-2013, 03:18 PM
  #3577  
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Default RE: Everything Radial Engines

Ross, that video link you sent me is very nice. ZDZ160..seems like a lot of power driving that plane. It looks very scale. Just a bit too big for me.
Old 07-17-2013, 03:31 PM
  #3578  
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Default RE: Everything Radial Engines

Ah yes, nearly forgot, there's also Springfield Hall Buldog I had in mind as another alternative. Anyone makes plans for these? Seems easier for canopy but trickier for the main wing centre piece.
Old 07-17-2013, 07:06 PM
  #3579  
RichardGee
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Default RE: Everything Radial Engines

Fredo,

Now that I have given it more consideration, your Moki 150 could indeed be a good choice for a 98 inch DGA-6.
Mine weighs 25 pounds and has a 95 inch span and is NO PROBLEM to fly and land... NO COMPARISON to my Gee Bee[X(]

I think you should GO FOR IT!!
Old 07-19-2013, 04:15 PM
  #3580  
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Default RE: Everything Radial Engines

I think I will give it a go. It will be a while before I start on this. Currently I'm starting to build Wendell's Art Chester's Jeep. Well, it doesn't fall into radial category but I just love the lines of this racer.
The Mulligan or Hall Bulldog will be next.
Old 07-19-2013, 06:13 PM
  #3581  
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Default RE: Everything Radial Engines

You mean like this aircraft picture in the middle?

Bob
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Old 07-20-2013, 12:22 AM
  #3582  
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Default RE: Everything Radial Engines

Yeeeeeeah that's exactly the one. I'm going to build this one very light and will be all green. It takes me ages because I never use laser cut short kits. I cut everything by hand.
Old 07-20-2013, 09:44 AM
  #3583  
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Default RE: Everything Radial Engines

Golden Age... the BEST time in aviation history
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Old 07-21-2013, 04:27 PM
  #3584  
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Default RE: Everything Radial Engines

Sounds like a lot of fun, I wish I could join you guys.
Old 07-30-2013, 04:39 PM
  #3585  
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Default RE: Everything Radial Engines


ORIGINAL: retransit

You mean like this aircraft picture in the middle?

Bob
Speaking of radial engines, which we always are :-), I just noticed the Bipe with the 5 cyl radial in this pic. Engine looks like OS-ASP-Magnum, but what plane and brand kit is it? Looks like just the right scale to suit the engine. Did the prototype have a 5 cyl radial in the nose? Another one to add to the "Radial Candidate List" maybe...

Regards, RossG
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Old 07-30-2013, 05:34 PM
  #3586  
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Default RE: Everything Radial Engines

That's a 1/4 scale Fleet biplane. It was a kit made by Concept.
Old 07-30-2013, 05:50 PM
  #3587  
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Default RE: Everything Radial Engines

Ross, that's my aircraft. smkrcflyer has it right as to the kit. That is my second one. The first augered in when I had the wrong aircraft selected on the Tx. Brain fart! I had to build the current one from the plans I had. The prototype is sitting in the March Aircraft Museum in California and it has a 5 cylinder in it.

Bob
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Old 07-30-2013, 06:28 PM
  #3588  
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Default RE: Everything Radial Engines

ORIGINAL: retransit

Ross, that's my aircraft. smkrcflyer has it right as to the kit. That is my second one. The first augered in when I had the wrong aircraft selected on the Tx. Brain fart! I had to build the current one from the plans I had. The prototype is sitting in the March Aircraft Museum in California and it has a 5 cylinder in it.

Bob
Hi Bob, That must have been a heartbreaker to see it go in like that. Bad...Hope you now have ModelMatch or similar in your Tx-Rx.Wow what a nice job you made on the new one. I'm always looking out for planes to suit these radials, especially something a bit different. Nice one.

Regards, RossG
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Old 07-31-2013, 10:07 AM
  #3589  
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Default RE: Everything Radial Engines

As an unabashed radial lover, here is the video of the latest Fleet. I'm operating the camera, not the aircraft.

Bob

[youtube]http://www.youtube.com/watch?v=gbZxPgdZMBU[/youtube]
Old 08-01-2013, 04:14 PM
  #3590  
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Default RE: Everything Radial Engines

ORIGINAL: retransit

As an unabashed radial lover, here is the video of the latest Fleet. I'm operating the camera, not the aircraft.

Bob
"unabashed radial lover".Ha, aren't we all... Nice plane and the ASP sounds good (Separated exhaust stacks?). Interesting to see what appears to be torque roll to the left as soon as it lifts off.

This radial thing is like an addiction. I had a CMPro Zero nib for my 325R5 but changed my mind and sold it to a fellow club member a few months ago. Yesterday went to Austar Models to look at the ESM warbirds, particularly the Seafury, but that 84" Gee Bee, as soon as I saw the Blue and White one it was love at first sight :-).(Actually, I had done lots of research re wing area, engine weight, cowl dia etc etc... Same as the HobbyLobby one made by Green Models.) Strange that I couldn't find any YT Vids of them with radial engines. All gassers, even down to 26cc. Hmm, might need a bit of lead in the tail, we'll see.

I recently ordered a spark kit for my 200R3 (in 68" SU-31). Adrian at CH Ignitions is making up one of his new 3 cyl CDI systems with 1/4x32 plugs to suit the 200R3. The plan is to run straight 82% methanol & 18% oil and NO nitromethane. The spark ignition should improve power due to accurate timing, fuel consumption will drop, and the idle will certainly be lower and more reliable. In other words, the spark will make up for the removal of the nitro. Well that's the theory and I can hardly wait.

I think I'm addicted. Just listen to these, magnificent ... http://www.youtube.com/watch?v=Wre6DUAbMIg http://www.youtube.com/watch?v=0KTy29frOL0

Regards, RossG
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Old 08-01-2013, 05:14 PM
  #3591  
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Default RE: Everything Radial Engines

That torque roll was actually a mis-rigged upper wing with too much positive incidence on the right side. It's fixed now.

Bob
Old 08-01-2013, 06:46 PM
  #3592  
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Default RE: Everything Radial Engines

RossG,
Love that GeeBee. I would like to have one for my 325R5.
Old 08-07-2013, 12:50 AM
  #3593  
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Originally Posted by smkrcflyer
RossG,
Love that GeeBee. I would like to have one for my 325R5.
Hi Steve, I was trying to reply but this new forum software... even lost my bookmarks...

Yes, this Gee Bee might (will) be a good thing, I really like the colour. I have PM'ed some forumites who posted pics of this size Gee Bee in the Gallery to see what engines they are using and if any CG balance weight is needed etc due to the short nose of the Gee Bee. It seems most are 26cc to 50+cc gassers, a few nitro powered (one even with a Saito 170R3 !) with some weight needed in the nose even with batteries etc moved forward.

I reckon if I can put everything behind the wing, batteries, glow driver, Rx, whatever, I may only need a bit of weight in the tail to get the CG right. The 325R5 at 2.6 kg all up will easily fly the CMPro 83" Zero at 22lbs, so with a similar wing area and probably less all up weight, the Gee Bee should be fine. That will add it to the list of planes suited to the mid size radials, probably even the EVO-777.

I have to get a couple of other jobs out of the way first, but Plan-A is to set up everything in the plane except the engine and then see what is needed to balance. That will be the real world test. If it looks like being a Serious No-Go, then for Plan-B I have an FPE 3.4ci 56cc Gasser at 1.95kg, but I really don't expect or want to go there...

Regards, RossG
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Old 08-07-2013, 07:53 AM
  #3594  
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Ross,

Did you mean to say that your browser bookmarks aren't working with the new software? If so, I would guess that's because this is a totally new RCU. All of the old forum software is gone. I was noticing redirects this weekend when it was up for a few minutes here and there. Either way you can PM me and I'll put it in the list of things that need correcting for you.
Old 08-07-2013, 10:19 AM
  #3595  
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Originally Posted by blw
Ross,

Did you mean to say that your browser bookmarks aren't working with the new software? If so, I would guess that's because this is a totally new RCU. All of the old forum software is gone. I was noticing redirects this weekend when it was up for a few minutes here and there. Either way you can PM me and I'll put it in the list of things that need correcting for you.
Ah... Now I get it. Simply trashed the old bookmarks and created new ones. Now works fine. Thanks Barry.

BTW, I think the "Submit Reply" and "Preview Post" buttons should be in the middle of the page, not tucked away over on the right, usually off the screen where you can't see them. Annoying...

Regards, RossG
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Old 08-07-2013, 11:36 AM
  #3596  
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I was going to say this is an improvement but more then a few times previous I was not able to reply. Hope this works.
Old 08-07-2013, 11:40 AM
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Now it's working. Looks like a hit and miss operation. Once it told me I was not signed in after I had accessed my account and another time I was not able to ask a question with the click-on button in the green block on top of the page had provided.
Old 08-07-2013, 12:02 PM
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There are quite a few new locations and functions for sure. It is different and we'll have to just learn the new software. When I first got to try out the beta I didn't like it. I thought the old format, button locations, etc was better but now I think I was wrong about vBulletin. I can see the power it has over the old RCU. This is so much better and more modern. Let's give it time. When we get everything migrated into vBulletin and all of the problems fixed we can start talking about the look and feel. Anyone can contact me via PM about it and we'll bring that up when the dust settles down.
Old 08-07-2013, 04:40 PM
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Every time I click on the link for this thread, I am not signed in. I already jumped through the "delete cookies and cache" hoop.
Old 08-07-2013, 06:13 PM
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Try Ken's method including the dns history wipe:

For those that may be having problems getting into the new forums, try this. Log out of RCU. Clear your browsers history and cache. Close your browser. If you are on a Windows computer create a Command prompt (Windows Key + r), and then type "cmd". In the command box type in "ipconfig /flushdns" and hit enter (this will flush your DNS cache). Now open back up your browser and try to log into RCU. if the new forums still don't pull up type ctrl + F5 to force a refresh on your browser. If you still have problems email me: [email protected]

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