earlwb

They would be fine to use for a twin engine project. But It depends on whether you are able to run the engines OK or not. The old .74's are good engines, but the three needle carb tends to befuddle a lot of people. Granted the two needle carbs seem to befuddle people too. Fox kept the low speed needle out for easy access where other companies sort of hid the low speed needle. But I like the three needle carbs though, as you have a low, mid and high speed adjustment you can use. So you can dial it in good. Also the .74 engines are baffled piston engines, cross flow scavenged, so they do not develop the power that the more modern engines do.

I am currently still running and flying my old Fox .60 blue head engine with dual plugs. It works great. It uses the three needle carb too. I seldom need to tweak the needles, as once set they don't need adjusting again. Once in a while for big weather changes, I might need to touch the high speed needle, but that is about it.

The engines may need a long break in though. My .60 engine went though quite a bit of running before it felt like it was run in OK. So be prepared to have patience as it might take a while. I usually bench run the engines to get them going and adjusted some. Then switch the engines into a plane and fly them to break them in. But I fly them on the rich side and gradually lean them out over time. eventually the engine reaches its optimum setting and you are done.

carddfann

I noticed the Fox site is down for maintenance today. Wonder what's going on and what the site will be like when it comes back up. I wonder if they'll mention their current situation or have engines/parts anymore. When I go to Tower Hobbies, it looks like they are still making plugs anyway.

computermonkey

My Feedback: (90)

http://www.foxqualityaero.com/default.html
this site is still up but is an very old site

earlwb

I think that Fox is pretty much out of parts at this time. Plus they sold all the completed engines too. So they may or may not bring the site back up for modelling. They have planned on eventually making and selling engines, but when is a big if though. The cheap Chinese engines selling at below cost has been a huge damper on anyone making model engines anywhere not just Fox either. Most of the larger model engine companies have stopped making engines already.

carddfann

Unfortunately, staying in this hobby will probably mean most of us will end up with cheap Chinese powerplants of somekind - either fuel or electric. I have enough glow engines for my fleet though that I might not run out of engines before I kick the bucket at my age. Foxes last a long time and so do K&B's. My engines are roughly split between the two and I have a couple of foreign engines. Shame what the Chinese are doing to all kinds of industries by dumping stuff on the market. One day we'll pay a real price when relations go sour and war breaks out over disputed territory around China. We'll be screwed.

aspeed

If the Chinese money was valued properly, they would never be able to dump their stuff anywhere. Then Fox and all the other companies would start up again. Naturally we would have to pay double for our motors. I have enough motors for many lifetimes anyway. Not too many Foxes, or K&Bs, but lots. (Like the Fox .15BB a lot but none of my other older ones) I think that could be the reason the companies shut down. More money in the quad copters and drones for the everyday people.

Sport_Pilot

I think electrics are doing more damage than foreign imports. Though I think it might subside a bit, glow and small gas will never be as popular.

aspeed

Yep.

Charley

My Feedback: (2)

I fly electric models, as well as glow & gas. To me there's a cutoff point in terms of max model size at around 55" in WS for electrics. The reason is that the batteries for electric motors to power larger models are much more expensive, not to mention size & weight. I just can't see spending a bundle on a battery that I know has a limited life span. An engine for a larger model will outlast me if it's not abused. For this reason I think that IC engines find their niche in the larger models.

CR

aspeed

I agree with you Charley. It is getting hard to find new glow engines in any size now, and especially in the .15 and under. Many think that even a .90 is small these days. Myself, I can't see using any battery over a 2200 mah, which is equal to about a .15.

JPMacG

My Feedback: (2)

There are enough used engines for sale from those who are going all electric to keep us glow heads going for many years. I pick up one or two engines at every swap meet I go to.

The bigger problem around here is finding a field to fly glow. Most fields around here have tough noise restrictions. Some are electric only.

carlgrover

There must have been 10,000 glow engines for sale at the Perry, GA swap meet this year.



Carl

hsukaria

Most of my glow engines I purchased used. All my Fox engines (only 4 of them) I purchased used and a couple of them needed either bearings or ring & liner, but now run great. I honestly can't justify buying a new glow engine unless it is something special like a Jett. Check RCU and RCG classifieds, some great deals sometimes.

1QwkSport2.5r

I went to a couple swap meets a few weeks ago. Not a lot of engines for sale. More Fox and SuperTigre than I expected to see, but nothing I wanted to get into. I have enough engines to wreck! Hahaha.

hsukaria

Yeah, I have more engines than I know what to do with (the 4 Fox engines). But that is good for the future when everybody is selling electric motors and you still want to run glow. Just dig into the engine pile and pick one!! I also have a flight test plane that I use for testing engines. I will mount 4 more engines on to test them and compare this summer, hopefully. Makes flying more interesting that way. I might still get a screamer, like a Jett 36 someday, but no money now.

BTW, Tim, the Fox 40 C-size I got from you runs great on the bench. That is one of the engines I will flight test this summer.

1QwkSport2.5r

That little .40 was run pretty hard and lean before I got it. The head button was jet black as was the top of the piston. I cleaned it up and treated it to a few tanks of 5/20 fuel and ran it nice and easy. It throttled pretty nice for me too. I ran a TT 46 pro muffler on it since the Fox muffler wouldn't fit my test stand. It's not a barn burner, but it should fly a .25 size model pretty good. Just keep the nitro low - it has a low/no nitro head in it.

hsukaria

I noticed the throttle response is quite fast on it. It also idles very nice and low. I have a stock Fox muffler on it and it is LOUD. I purchased a MACs one-piece muffler but it won't fit with an MkX carb, but it does fit with an EZ carb. So I swapped mufflers with another 40 C-case. That other 40 C-case with the EZ-carb still needs more tuning to get the low end right.

You call it a non-barn burner, but it really isn't bad with a 10x6, 5% nitro, 20% castor. I was getting around 12K rpm's. That's not bad for a small 40.

BTW, how are the mosquitos over there with all those lakes? I can barely get out and do lawnwork this season because of how bad the mosquitos are. Flying should be extra challenging this season. Maybe I should put intake filters on my engines!!!

hsukaria

If you run into a Fox Hawk engine in good shape and cheap, let me know. That is the one engine that I am still willing to get. The ones I've usually see are pricey.

1QwkSport2.5r

Mosquitos aren't out yet. Thank heavens.

The only Foxes I saw were .45s and a couple big case .40s. Nothing special. I missed out on a NIB K&B Sportster .45.

fujiman

My Feedback: (133)

hsukaria, have several hawks nib and excellent used, PM me and we'll talk.

earlwb

I used to use the small case Fox .40 engines as a hop up for some of the .20 to .25 size airplanes. The small .40 doesn't weigh all that much more than some .25's do anyway.
Anyway it really livens up some planes like that.

hsukaria

Here's a good candidate, IMHO: http://www.valuehobby.com/airplanes/...ik-25-arf.html

Charley

My Feedback: (2)

Here's another: http://www3.towerhobbies.com/cgi-bin...P?I=LXVXN8&P=8

CR

hsukaria

Actually I have the Escapade 40 and have used it as a testbed for engines and Rxs. I already have been planning on putting my C-case 40's in it for testing. It has been using a Super Tigre G51 all along. I also have used an OS 55AX, Irvine 40, Norvel AX-40, and a JBA 56. The Norvel AX-40 flew it like a trainer, which I expect the Fox 40 C-case to be similar.

earlwb

Well the Escapade .40 is already designed for .40 engines and up. It wouldn't be increasing the performance to go with a .40 engine on it. Huskaria's link though would be a good candidate as it is .25 engine size airplane. Thus putting the Fox C frame .40 in it would boost performance quite a bit. Of course the Fox C frame .40 came out way back when a .25 engine was the largest in that crankcase size range. During that era we had a lot of planes out in the .19 to .25 engine size range. Not anymore. They pretty much quit making the smaller airplanes for glow engines nowadays.