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RE: BCMAEngines - 7/2/2008 4:18:18 PM   
karolh


 

Posts: 2249
Joined: 5/15/2002
From: Mandeville, JAMAICA
Status: offline
quote:

ORIGINAL: Bernard

I am just getting into Gas engines and am confused on how to size an engine for a plane. How do you determine the CC's that are right for a plane. For example, I was talking to some of the old timers at my club about the Goldberg Extra kit that has a wingspan of 68 inches and is rated as a 60 - 90 size plane. Some say this is a good candidate for a 26 cc. Others say it should have a 20cc.


My 68" span Goldberg Extra flies great with a Ralph (RC Ignitions) converted to EI G23 at exactly 10 lbs.

Karol

(in reply to Bernard)
       Post #: 2251

RE: BCMAEngines - 7/3/2008 9:50:29 AM   
eastkurt


 

Posts: 9
Joined: 11/20/2003
From: Ålem, SWEDEN
Status: offline 		Hi, fwiw just maindend my Multiplex Big Lift and thought I should sheer the video with you, ws 8ft, engine BCMA SPE26 and MAS 16*8.
It will need a bit of tweaking but pulls the Big Lift with authority.
/Kurt

Edited link Edited Big Lift Maiden

< Message edited by eastkurt -- 7/7/2008 5:22:38 AM >

(in reply to karolh)
       Post #: 2252

RE: BCMAEngines - 7/3/2008 1:29:24 PM   
paul7194


 

Posts: 40
Joined: 10/5/2005
From: Greenville, IL, USA
Status: offline 		Very nice video. Who makes the big lift plane. Looks like a great flyer.

(in reply to eastkurt)
       Post #: 2253

RE: BCMAEngines - 7/3/2008 2:59:56 PM   
eastkurt


 

Posts: 9
Joined: 11/20/2003
From: Ålem, SWEDEN
Status: offline 		Thanks Paul, It is Multiplex in Germany (I think). Saw somewhere that it is no longer in oproductin.
Regards
/Kurt

(in reply to paul7194)
       Post #: 2254

RE: BCMAEngines - 7/6/2008 10:54:07 PM   
Don ky


 

Posts: 33
Joined: 10/15/2004
From: irvine, KY, AMERICAN SAMOA (USA)
Status: offline 		Hi I just ordered the 42MT. from Adam at BCMA I'm going to be puttting it on the Seagull extra 260 (1.80) size what do youall think of this combo?

(in reply to eastkurt)
       Post #: 2255

RE: BCMAEngines - 7/7/2008 12:32:56 AM   
linkadrip



Posts: 1356
Joined: 3/17/2006
From: Tehachapi, CA, USA
Status: offline 		Eastkurt thank you for the link to the plane i like that plane wish i had one for my SPE 26.

< Message edited by linkadrip -- 7/7/2008 6:37:42 AM >

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(in reply to eastkurt)
       Post #: 2256

RE: BCMAEngines - 7/7/2008 5:18:08 AM   
eastkurt


 

Posts: 9
Joined: 11/20/2003
From: Ålem, SWEDEN
Status: offline 		Sorry for any inconvience, the video has been edited and I did not know that the link was changed.
Here is the new link Edited Big Lift Maiden.

Regards
/kurt

(in reply to linkadrip)
       Post #: 2257

RE: BCMAEngines - 7/7/2008 12:28:17 PM   
Flyer Freq



Posts: 906
Joined: 8/20/2002
From: Appleton, WI, USA
Status: offline
quote:

ORIGINAL: Don ky

Hi I just ordered the 42MT. from Adam at BCMA I'm going to be puttting it on the Seagull extra 260 (1.80) size what do youall think of this combo?

This should be a nice combo. Seagull makes a slightly heavier, more solid bird, so the 42 is ideal by weight. Post pics if the install, if you can.

_____________________________

Lose not thy airspeed, lest the ground rise up and smite thee!
If you want to make God laugh, tell Him your plans

(in reply to Don ky)
       Post #: 2258

RE: BCMAEngines - 7/8/2008 3:16:28 AM   
RR24


 

Posts: 76
Joined: 12/25/2006
From: Liberal, KS, USA
Status: offline 		Here is my Ulitmate with the BCMA 26cc

Attachments
Click to see fullsize image.
Click for fullsize 		Click to see fullsize image.
Click for fullsize

(in reply to Flyer Freq)
       Post #: 2259

RE: BCMAEngines - 7/11/2008 8:24:23 PM   
NailMan


 

Posts: 3
Joined: 6/16/2008
From: Moscow, RUSSIA
Status: offline 		I convert my hand made Diablotin Compact (65" (1650mm) span, split compact fuselage) with Dzy26cc to 50cc version. New engine is a MT50i. Many lead on the tail, new engine box, new engine antivibrating mount - new FunFly complete!

new weight: 6100g (old - 4680)
thrust: 10kg (after only 6 fuel tanks) (old thrust - 6kg)
prop: 22x8 wood (old prop 17x6 fiberglass)

Very good plane has turned out! Hangs on 1/2 courses of the throttle stick. I like it!

In our flight place we have opened a new direction of aircraft modelling - the hotroad-planes.

MT50i very nice gas engine for Diablotin's - a carb placing is very much combined with a structure of a cowl


PS: Sorry my bad english(web-translated)

(in reply to RR24)
       Post #: 2260

RE: BCMAEngines - 7/11/2008 8:53:14 PM   
Flyer Freq



Posts: 906
Joined: 8/20/2002
From: Appleton, WI, USA
Status: offline 		Your English is fine! Sounds like a cool plane! We haven't heard a lot of news on the MT engines yet. Thanks for the feedback!

_____________________________

Lose not thy airspeed, lest the ground rise up and smite thee!
If you want to make God laugh, tell Him your plans

(in reply to NailMan)
       Post #: 2261

RE: BCMAEngines - 7/11/2008 11:26:34 PM   
Heritage rider


 

Posts: 73
Joined: 3/11/2004
From: Palm Coast, FL, USA
Status: offline 		What a great world we live in to be able to hear about new airplanes in Russia from real enthusiasts. We have a really enthusiastic 3D pilot here in Palm Coast Florida that is from Russia. He is an electrician, a great modeler (can build and repair with the best) and is becoming a really good pilot. We are happy to have him in our club.

Send us some pictures so we can see what you are building.



_____________________________

The only people who make no mistakes are those who are doing NOTHING.

(in reply to NailMan)
       Post #: 2262

RE: BCMAEngines - 7/12/2008 3:23:24 AM   
OK2Fly


 

Posts: 259
Joined: 8/9/2007
From: Antioch, TN, USA
Status: offline 		I'm sure our English-Russian translation sounds weird! Lets see some pictures.


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Anderson

(in reply to Heritage rider)
       Post #: 2263