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**roscoe** · 04-04-2011, 11:17 AM

It looks like my new project, a MRAerodesign Beaver, will need a gas engine, it's not looking like an electric solution is practical.
So, what are the member's thoughts on which engine, in the 40cc/Zenoah38 class is the smoothest running and dependable? My gas engine experience is limited to the early Quadra 35 vintage, so you see how dated I am, and don't want to shake the bird to bits.
I intend to run on wheels initially, and add the floats later on. It should come in at about 22 lbs or so on wheels.
Any input will be gratefully received.

**cloudniner** · 04-04-2011, 11:33 AM

Hello

I have the same kit and I will be installing one of my Brison 2.4 (40cc) engines. I have three with the oldest about 15 years old. Many many flights on it and it still runs like a champ.

It is mounted in a Dynaflight Super Cub at the moment and has no trouble at all lifting it off in a very short distance. With the battery ignition and mechanically adjusted timing the idle is fantastic. I use a 20 X 8 Zinger Pro on it and there is lots of power available.

We have been having trouble with carb diaphrams lately due to ethanol in the gas making the rubber hard. Shell has a premium grade with no ethanol.

Every once in a while you will find one for sale on RCU and RCC. It looks like the fellow at Revolution is getting out of them maybe.

Anyway good luck with yours....

SteveD · 04-10-2011, 07:09 AM

There is a review of the Mr Aerodesign Beaver in the January 09 issue of R/C Report by Dick Petit,and according to him the Saito FG-36 4C gas engine is a perfect match .His finished weight was 23.5 lbs(3lbs nose weight).He covered his with 3/4 oz cloth ,minwax polyurethane.According to Dick his plane could do very nice short field takeoffs with this engine..plus it sounds great ,less vibration,and it burns less fuel..

**roscoe** · 04-19-2011, 04:48 PM

Thanks for the information, gentlemen. Every bit helps.

Dale Hunter · 04-19-2011, 10:54 PM

I have a MR Aerodesign Pilatus -120inch-, power is a Zenoha 62. Over 30hrs of airtime last 18 months, never a deadstick. I have a Zenoha 45 which is even smother running. That would be my first choice. As for the Brisson also mentioned, I find them as reliable.
Hope this helps it is only my personal opinion.
-Dale-

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**roscoe** · 04-20-2011, 11:28 AM

Thanks for your insight, Dale. The 45 is on the short list.

**roscoe** · 04-22-2011, 01:50 PM

Well, I bit the bullet and picked up a Brison 2.4 with the solid state ignition system. Next job, finish the aircraft. Thanks again for the insight, RCC is the place to be!

Dale Hunter · 04-22-2011, 02:01 PM

Good choice, but more important you are that much closer to enjoying your Beaver.
Enjoy, -Dale-

100% free webcam site! | Awesome chicks and it is absolutely free! | Watch free live sex cam - easy as 1-2-3

04-04-2011, 11:17 AM	#1
roscoe Level 3 Supporter ★ Site Supporter ★ I am: Ross T Join Date: Apr 2004 Location: Winnipeg MB Radio of choice: Futaba/HiTec # of RCs: 15 Feedback: 47 / 100% Posts: 851 Total Props: 6	Looking for opinions Remove this ad - become a site supporter! It looks like my new project, a MRAerodesign Beaver, will need a gas engine, it's not looking like an electric solution is practical. So, what are the member's thoughts on which engine, in the 40cc/Zenoah38 class is the smoothest running and dependable? My gas engine experience is limited to the early Quadra 35 vintage, so you see how dated I am, and don't want to shake the bird to bits. I intend to run on wheels initially, and add the floats later on. It should come in at about 22 lbs or so on wheels. Any input will be gratefully received. __________________ Growing old is mandatory, growing up is optional! "Do or do not...there is no try"
	.

04-04-2011, 11:33 AM	#2
cloudniner Level 3 Supporter ★ Site Supporter ★ I am: Richard N Join Date: Mar 2003 Location: Tamworth Area Radio of choice: Graupner MC28 & MC20 & MZ-32 # of RCs: 24 Feedback: 72 / 100% Posts: 2,337 Total Props: 32	Re: Looking for opinions Hello I have the same kit and I will be installing one of my Brison 2.4 (40cc) engines. I have three with the oldest about 15 years old. Many many flights on it and it still runs like a champ. It is mounted in a Dynaflight Super Cub at the moment and has no trouble at all lifting it off in a very short distance. With the battery ignition and mechanically adjusted timing the idle is fantastic. I use a 20 X 8 Zinger Pro on it and there is lots of power available. We have been having trouble with carb diaphrams lately due to ethanol in the gas making the rubber hard. Shell has a premium grade with no ethanol. Every once in a while you will find one for sale on RCU and RCC. It looks like the fellow at Revolution is getting out of them maybe. Anyway good luck with yours.... Attached Thumbnails
	.

04-10-2011, 07:09 AM	#3
SteveD RCC Master Contributor I am: Steven Daly Join Date: Oct 2002 Location: SaultSte Marie On Radio of choice: futaba # of RCs: 10 Feedback: 3 / 100% Posts: 1,063 Total Props: 1	Re: Looking for opinions There is a review of the Mr Aerodesign Beaver in the January 09 issue of R/C Report by Dick Petit,and according to him the Saito FG-36 4C gas engine is a perfect match .His finished weight was 23.5 lbs(3lbs nose weight).He covered his with 3/4 oz cloth ,minwax polyurethane.According to Dick his plane could do very nice short field takeoffs with this engine..plus it sounds great ,less vibration,and it burns less fuel.. __________________ Steve Daly MAAC# 14007,Challenger C-IDIM on the shelf;1/6 twin otter,Midwest Harvard,T/F Bonanza,A&A C-310,Hostetler 35% S Decathlon
	.

04-19-2011, 04:48 PM	#4
roscoe Level 3 Supporter ★ Site Supporter ★ I am: Ross T Join Date: Apr 2004 Location: Winnipeg MB Radio of choice: Futaba/HiTec # of RCs: 15 Feedback: 47 / 100% Posts: 851 Total Props: 6	Re: Looking for opinions Thanks for the information, gentlemen. Every bit helps. __________________ Growing old is mandatory, growing up is optional! "Do or do not...there is no try"
	.

04-19-2011, 10:54 PM	#5
Dale Hunter RCC Supreme Contributor I am: Dale Hunter Join Date: Jan 2009 Location: Camrose, Alberta Radio of choice: a 12 X in each hand ! Feedback: 23 / 100% Posts: 8,579 Total Props: 39	Re: Looking for opinions I have a MR Aerodesign Pilatus -120inch-, power is a Zenoha 62. Over 30hrs of airtime last 18 months, never a deadstick. I have a Zenoha 45 which is even smother running. That would be my first choice. As for the Brisson also mentioned, I find them as reliable. Hope this helps it is only my personal opinion. -Dale- 100% free webcam site! \| Awesome chicks and it is absolutely free! \| Watch free live sex cam - easy as 1-2-3 Attached Thumbnails __________________ FishFly - FunFly, Sept 11-13. Great fun! Trout Farm Flyers. Life is good.
	.

04-20-2011, 11:28 AM	#6
roscoe Level 3 Supporter ★ Site Supporter ★ I am: Ross T Join Date: Apr 2004 Location: Winnipeg MB Radio of choice: Futaba/HiTec # of RCs: 15 Feedback: 47 / 100% Posts: 851 Total Props: 6	Re: Looking for opinions Thanks for your insight, Dale. The 45 is on the short list. __________________ Growing old is mandatory, growing up is optional! "Do or do not...there is no try"
	.

04-22-2011, 01:50 PM	#7
roscoe Level 3 Supporter ★ Site Supporter ★ I am: Ross T Join Date: Apr 2004 Location: Winnipeg MB Radio of choice: Futaba/HiTec # of RCs: 15 Feedback: 47 / 100% Posts: 851 Total Props: 6	Re: Looking for opinions Well, I bit the bullet and picked up a Brison 2.4 with the solid state ignition system. Next job, finish the aircraft. Thanks again for the insight, RCC is the place to be! __________________ Growing old is mandatory, growing up is optional! "Do or do not...there is no try"
	.

04-22-2011, 02:01 PM	#8
Dale Hunter RCC Supreme Contributor I am: Dale Hunter Join Date: Jan 2009 Location: Camrose, Alberta Radio of choice: a 12 X in each hand ! Feedback: 23 / 100% Posts: 8,579 Total Props: 39	Re: Looking for opinions Good choice, but more important you are that much closer to enjoying your Beaver. Enjoy, -Dale- 100% free webcam site! \| Awesome chicks and it is absolutely free! \| Watch free live sex cam - easy as 1-2-3 __________________ FishFly - FunFly, Sept 11-13. Great fun! Trout Farm Flyers. Life is good.
	.

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