Tower Hobbies 46 - RCCanada - Canada Radio Controlled Hobby Forum
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Old 03-17-2003, 02:59 PM   #1
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Tower Hobbies 46

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hey does anybody know anything about the tower hobbies 46? apparently lots of power, 1.75 hp, GMS alike muffler,but made in China, someone told me OS manufactures them,..??
" Its always better to be at home and say : I should've gone to the field,- than being at the field and say : -I should've stayed at home- "
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Old 03-17-2003, 03:08 PM   #2
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I recall seeing a few turn up on student's planes about 5 years ago. I don't recall thinking of them as a "deal" even though they were much cheaper than the OS at the time....
MAAC# 12719
Si fractum non sit, noli id reficere - (If it ain't broke, don't fix it).
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Old 03-17-2003, 03:48 PM   #3
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many of the engines coming out of the orient are OS knockoffs...I guess they figure why reinvent the wheel? .. There are a couple that have some original engineering and design, but a lot of them are just copies with, or without, minor changes.

I stay away from economy engines. I have spent too many perfect flying days on my knees trying to get cheap engines to run (or even start), that I figured it was better in the long run to spend a few extra bucks on the front end and get a reliable, quality engine that will start and run ever time. This theory has proven itself (to me, anyways) time after time... I still see guys getting frustrated with unreliable engines and going home without flying ( or maybe half a flight and a dead stick). Almost every time the engine is one of those cheap clones.

Anyways, my 2 cents worth, your mileage may vary..........

The sooner you fall behind, the more time you will have to catch up.
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Old 03-17-2003, 05:09 PM   #4
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I have the GMS 47 and my buddy has the Towers 46, they are exactly the same. same muffler, carb, size of head and shape. if they are not built in same place i would be very surprized. both run well and are strong, but as already mentioned the quality is not there and you must like to tinker. we have about 3 gallons through ours now and both still work great. But i like to tinker.
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Old 03-17-2003, 10:38 PM   #5
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I am considered the "TUNNER" at our field and I have a lot of experience with them ... yes they do have LOTS of power but I have seen some real duds come out too. They dont take too many lean runs either, usually just a couple and thats it!, The machining is not that great, I have taken some apart and on some of the engines, the porting is missmatched to the sleeve, I am sure if somebody wanted to bother buying one new, take one apart, and very carefully with a dremel etch away to align the ports etc, then you would virtually eliminate the "duds" , I have done that to a ASP 46, ground out the exaust port on the slleve to match the exaust port on the case etc, and WOW, it sure livened up the engine!

Basically , you get what you pay for, take the same engine though and run them with a standard OS/TT muffler and you loose a lot of that power, take the GMS/tower muffler though and put it on an OS 46 ... and WATCH OUT!!!!!
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Old 03-18-2003, 01:03 AM   #6
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Wow, well im getting lots of good info here, the thing is i sold this brand new Tower 46 to a fellow around here, for $136 buks canadian,brand spanking new, but he is a rookie, never flown but ran many car engines before, so he knows about being ABC,etc etc, i mean ,i sold it cheap,but i dont want him to have any kind of trouble
hey but that about the muffler! thats a great tip there! OS and GMS muffler eh?
" Its always better to be at home and say : I should've gone to the field,- than being at the field and say : -I should've stayed at home- "
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Old 03-18-2003, 06:31 AM   #7
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For what its worth, I have owned a few "cheaper" engines like thunder tigers, ASP, Magnum, ect. I have no personal experience with the GMS line but a few of the guys in the club like them.

I think (again my opinion) that there are no "DUDS" in todays engine market. All engines sold today will run, some better than others, but set up and broken in properly you shouldnt have a problem. Actually, my ASP 40 was one of the easiest hand starting, best idling engines I ever had. True! Since 99% the engines today mass produced are on CNC equipment you dont have the issues you did with poor machining quality like in the past (10 15 years ago). Some small things like needle valves not sealing properly, arise but generally you should have a runner.

I have heard many favourable comments regarding the Tower engines.

Personally I still think it best to buy as much engine as I can afford, but sometimes a fellow cant spring for the top of the line.

I have seen first hand "experienced" modellers have MANY problems setting up ever brand of engine (OS, Saito, Webra, etc all top brands - heck, even Jett!) for whatever reason (wrong plug, prop, bad fuel, inexperience) and they blame the "lousy engine"... thats not fair.

Then again, I have had some engine problems myself, setting up a particular Super Tigre 40 comes to mind, and sometimes you may get a lemon but I think its wrong to call the entire line garbage...

Remember, if you get a lemon from a hobby shop, you have a warranty to fall back on. If you are doing a private sale then you are on your own!
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1/2A to giant scale, IMAC, SAM, R/C sport, turbine jets, Heli's...
if its got a wing or two and an engine - I like it!
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Old 03-18-2003, 07:45 PM   #8
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l stick mostly with OS and just bought a Saito 91, had one STigre
and on impulse a GMS 61 which does run well with pretty good
power IMO Tower GMS etc take the best points of
the established engines, copy them in a cheaper version and
offer a less expensive but shorter lived engine. Where the risk
comes in is in a higher % of lemons and more fussy to set up.
There is a market for the cheaper engines, and it makes
our hobby more affordable for beginners, for myself with all
the $$ and time in building l will go with dependability up
front. There is other ways to cut expenses.
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Old 03-19-2003, 12:46 PM   #9
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engine quality

I agree with AJCoholic. With today's CNC machined engines, there are no "duds". Remember OS still uses nickle plating on their "ABC" engines. Except their expensive Car and ducted fan engines. There are many engines coming out of the far east with true Hard Chrome on their brass sleeves which is way longer wearing and will withstand the use of the total synthetic oil -based fuels on the market. Oh yeah , even Fox now uses CNC machining processes on their engines. I have two Fox .15 schneurle BB's, one with a hand lapped traditionally machined piston and sleeve and one with a CNC machined piston and sleeve. The one with a CNC machined p/s has a better fit and has a better wear pattern. Also this engine broke in faster than the older version.

Jim West, Engine collector in Trenton ON.
There is no such thing as a landing, it's a controlled crash.
Jim West MAAC 22948
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