What engine to buy?  
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All Forums >> RC Airplanes >> "1/2 A" & "1/8 A" airplanes >> What engine to buy?
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What engine to buy? - 8/27/2008 1:27:52 AM   
Entropy



Posts: 122
Joined: 1/28/2004
From: West Valley City, UT, USA
Status: offline 		Hi, I've been reading up quite a bit on 1/2a stuff. I need some advise from the veterans on what engine to buy. I'd like to go with a small engine, possibly .049 or less but have full throttle control. I've seen the AP Wasp .061 with throttle control but have read mixed reviews on it. Is there something better, smaller? I've seen the PAW engine but those are expensive (also what does R/C version mean on their webiste?). Is there anything in between expensive and cheap but still reliable/lightweight/powerful? (Or is that just wishfull thinking?) If I do need to buy a PAW, any recommendations? Pros and cons of nitro vs. diesel?

Thanks guys, I look forward to joining you 1/2a'ers

-Entropy
       Post #: 1

RE: What engine to buy? - 8/27/2008 1:36:03 AM   
blvdbuzzard



Posts: 1528
Joined: 6/16/2002
From: boulevard, CA, USA
Status: offline 		Well I just ordered (2) of the Hornet 061's. I have had good luck with the first one. I ran it on YS 20-20 fuel and it ran very well. The more I ran it the better it got. I had about 20 or so flights on it and it was running great. That is until the damn chain link fence jumped up and tore the carb off the case. I will order a new case so I will have (3) of them.

I have heard good things about the Thunder Tiger 07. I may end up getting one just to see how it runs.



Dru.

(in reply to Entropy)
       Post #: 2

RE: What engine to buy? - 8/27/2008 1:39:01 AM   
combatpigg



Posts: 10136
Joined: 11/22/2003
From: arlington, WA, USA
Status: online 		Entropy.......keep your eyes peeled at the auction sites for Norvels! Might as well get .061 instead of .049, there is a slight edge. The Norvel Big Mig is exactly what you are talking about.

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RE: What engine to buy? - 8/27/2008 1:46:52 AM   
Entropy



Posts: 122
Joined: 1/28/2004
From: West Valley City, UT, USA
Status: offline 		I just looked at the Norvel Big Mig and don't see a throttle arm on it. How do you control the throttle? Is it under the needle valve or something? What does the .061 Big Mig weigh?

< Message edited by Entropy -- 8/27/2008 1:53:27 AM >

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       Post #: 4

RE: What engine to buy? - 8/27/2008 1:53:14 AM   
longdan



Posts: 524
Joined: 10/18/2006
From: Auckland, NEW ZEALAND
Status: offline 		Some of the norvel big migs are throttled, some just have a fixed venturi. You need to get the r/c version with a throttle. I think they are called Norvel Big Mig .061 R/C.

(in reply to Entropy)
       Post #: 5

RE: What engine to buy? - 8/27/2008 1:55:53 AM   
mikegordon10


 

Posts: 218
Joined: 7/12/2003
From: Provo, UT, USA
Status: online 		They come in different versions. You want the RC version. There are some on the bay now.

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RE: What engine to buy? - 8/27/2008 1:57:52 AM   
Entropy



Posts: 122
Joined: 1/28/2004
From: West Valley City, UT, USA
Status: offline 		Right on, I think I found the right version...Part # NVLB6R http://www.sigmfg.com/indextext/nvlb6r.html Sweet, and it weighs a couple less grams than the AP Wasp. How's the power though?

(in reply to longdan)
       Post #: 7

RE: What engine to buy? - 8/27/2008 2:09:11 AM   
digital_trucker



Posts: 1311
Joined: 2/4/2006
From: Dorr, MI, USA
Status: offline 		The Norvels aren't made any more, call Sig before you place an order!. I've run an AP Wasp .061. Mine runs pretty well, now that it's broken in. Their throttles are somewhat iffy though, and there is no muffler to speak of. The clip-on thing jokingly referred to as a 'muffler' is barely adequate as an exhaust diverter. Until someone actually makes a decent .049 or .061 glow engine again (and the prospects aren't good) I'm going to PAW diesels.

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(in reply to Entropy)
       Post #: 8

RE: What engine to buy? - 8/27/2008 2:17:03 AM   
Entropy



Posts: 122
Joined: 1/28/2004
From: West Valley City, UT, USA
Status: offline 		Yeah, I was reading your discussion about the whole quality 1/2a engine dilemma. Mixing diesel sound like a pain though. So you think PAW is the way to go? What about their nitro version engine? I did find the Norvel .061 Big Mig for sale at http://www.kingrc.com/engines.htm#index but I really want to make sure it's the version with the laminate coating on the cylinder and piston to increase engine power and reduce friction.

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       Post #: 9

RE: What engine to buy? - 8/27/2008 2:29:53 AM   
RocketRob



Posts: 692
Joined: 12/27/2002
From: San Francisco, CA, USA
Status: offline 		You don't need to mix diesel fuel in the states - you can order it direct from several sources Tower, Eric Clutton....

The Little PAW .33 RC is a very nice engine. For a first diesel you may want one a bit larger. Or get someone experienced to teach you the ropes.

(in reply to Entropy)
       Post #: 10

RE: What engine to buy? - 8/27/2008 2:41:54 AM   
av8rsodt



Posts: 381
Joined: 1/16/2003
From: Kernersville, NC, USA
Status: offline 		Here are some Norvel .061's for sale: http://www.rcgroups.com/forums/showthread.php?t=913791

He was selling them as a bunch, but is ready to piece them out.

Brian

(in reply to RocketRob)
       Post #: 11

RE: What engine to buy? - 8/27/2008 3:22:41 AM   
mylamo


 

Posts: 371
Joined: 9/19/2003
From: Mission, TX, USA
Status: online 		PAWs are not very expensive at all whenyou consider that
a PAW of any size will wear out many many glow engines
of similar displacement.
Ralph

(in reply to av8rsodt)
       Post #: 12

RE: What engine to buy? - 8/27/2008 9:53:26 AM   
flyinrog



Posts: 5880
Joined: 9/3/2002
From: Burlington, NC, USA
Status: offline 		E, I have no experience with diesels but I sure wouldnt recomend one for your first small engine, or is this your first engine period?...what plane is it going on?...the thunder tiger .07 while heavier is the better throttled/muffled engine in the lower cost area...the wasps are a good engine in my experience but do take a few tanks to break in well...the carb control on the smaller engines tend to be of very short travel,,that is more of an on/off switch than a carb.......Rog
I might have a good used engine for you, tried to pm but the server is down, let me know if you are interested
I just noticed your from Utah, look up Toad, see if your near him, he is in Hurricaine, Utah and a genuine guru of 1/2 engines

< Message edited by flyinrog -- 8/27/2008 10:04:16 AM >

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RE: What engine to buy? - 8/27/2008 9:14:15 PM   
Remby


 

Posts: 628
Joined: 11/2/2002
From: Russell, PA, USA
Status: offline 		Both Norvel and Cox are now out of production. Cox only had a throttle ring, and the aftermarket throttle setups for the Tee Dee/Medallions. Norvels may be hard to get parts for, if not now for sure in the near future.

The AP Wasp is available, and the TT-07 as well. I would look into these for your needs.

The auctions will work as well if you have the needed time and funds.

I have not used a throttled 1/2a in the last 8 years myself, anything below 3/4 speed and it will not stay in the air, as far as I'm used to seeing.

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       Post #: 14

RE: What engine to buy? - 8/27/2008 10:37:05 PM   
digital_trucker



Posts: 1311
Joined: 2/4/2006
From: Dorr, MI, USA
Status: offline