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|User's Guide (913.1 KB)||This is the User's Guide for the Magnum XL .70RFS Engine|
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Magnum XL.70-RFS engine review Review by rothe
I purchased a Magnum XL.70 about two weeks ago, and it is currently mounted in a Hangar-9 twist .40. The engine works great! I put just over a half-gallon of Byrons 10% fuel through it on the test stand, with no problems at all. In the last week I have put another gallon and a half through it. The engine works great for the twist´s light airframe. giving it unlimited vertical performance. (Posted on 8/30/10)
Ultimate Power Review by Bob
I would like to say some good things about these engine´s. Since I started flying approximately 10 years ago and my fourth RC aircraft happen to be a Global Ultimate Biplane ( Nine years old to date and still flying ) with a Magnum .52 RFS, then eight years later I gave the Ultimate away to a friend, it returned again to me a year later.
The Magnum .52 ( now nine years old and still running great with no repairs and no adjustments ever needed )is now being used in my 52" wing span Decathlon to this day, so I had to find another engine, so I purchased the Magnum .60 RFS last year to fill its needs.
The Magnum .60 engine preforms great, but the Ole Biplane is still a little under powered. So first of this year a fellow flyer gave me his Global Ultimate he purchased last year luckily, since they have been discontinued now several years.
So now I have two Global Ultimates and I purchased the Magnum .70 RFS to fit into the Second Bipe. After a few tanks of fuel and few tweaks to the carb, she is flying the Ultimate proud, lots of power for the size of the aircraft. The Magnum .70 RFS should have been the first engine in this airplane along time ago, the performance of this aircraft now is overwhelming, 3D flying is at hand.
Power, response, and trust has been establish again in the Magnum line of engines. But to give the others their due, they may have the power curve over Magnum engines, engine size to engine size, but as far as I have seen, that is about all. (Posted on 8/30/10)
Crow is best served as a left over Review by Dave
Wow. What can I say?
My first "review" of this product was 3 nights ago. At that time, I had spent probably more than an hour and a half in "run time" attempting to get my Magnum 70 engine to perform. It didn´t want to turn any more than 9,000 rpms with a 12X6 prop, and the idle was no lower than about 3,400.
The morning after I posted the first "review", I had an email waiting on me from Global/Magnum support, as HobbyPeople had forwarded a copy of my "review" to them. Needless to say, I was quite shocked, and quite frankly I didn´t think that HobbyPeople would even publish my "review" of the Magnum 70. I was very surprised to find they did. That in itself speaks VOLUMES for HobbyPeople; I can´t remember the last time I read a negative review on either a retailers website much less a trade magazine. Can you?
Global/Magnum support was extremely concerned with my experience with their product, and wanted a chance to "make things right" as a result. We discussed the symptoms and I even sent them some photos of what was happening with this particular engine. Without a doubt, Global/Magnum wanted 2 issues to be resolved; 1) getting a replacement engine in my hands and 2) getting the "problem" engine in their hands as a matter of product developement.
I was given the opportunity to have a UPS "call tag" sent to me, and all I needed to do was box the engine up and send it to them. Having bought the engine at the local hobby shop, and knowing when I bought it that the owner of the shop had purchased more than one, I proposed a "reasonable" resolution of me simply returning my engine to the hobby shop for an exchange of another one, and the hobby shop could send the "problem" engine back to Magnum/Global.
This morning I got a call from the local hobby shop telling me they were holding a Magnum 70 engine for me, and to bring the "problem" engine in for a swap. Global/Magnum had contacted them and worked out the details, and as of this afternoon I have a Magnum 70 installed on my Sig Somethin´ Extra that runs MUCH much better than the first one. I think this one is going to perform up to spec.
So what is the moral of the story? I guess in just about any industry, their can be a "quality control" slip up that can happen. How often it happens will make or break a product. The fact that Global/Magnum was very surprised to see my initial "review" which lead to a more than timely resolution suggests to me that A) this doesn´t happen often, and B) if and when it does, they are on top of things with their support of the product.
Ok, last bite of crow going down. That being said, I would definitely purchase another Magnum engine in the future, without hesitation.
Dave, AMA 55707 (Posted on 8/30/10)
Magnum 70 operation Review by David
I own several Magnum 70s, they all run perfectly, little or no maintenance. They have given me many hours of pleasure. (Posted on 8/30/10)
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