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Speed,Combat,Scale,Racing => Combat => Topic started by: Richard Fleming on October 17, 2011, 07:20:40 PM

Title: 75 mph combat engines
Post by: Richard Fleming on October 17, 2011, 07:20:40 PM
I was thinking about doing some combat flying at the KOI and build a few classic combat ships. What engine should I use for the 75 mph event and not break the bank?
Title: Re: 75 mph combat engines
Post by: dankar on October 18, 2011, 12:41:10 AM
LA.25's FP-.40's Tower .40's. I've seen Fox .40's with restrictor. Props/ venturi's get speed right. Many used RC engines available as many have gone to electric. FP-.35's/ Enya .35's Even Fox .35's. Almost any .25-.28.32.35 engines will do. LA .25 are not expensive and are new also ST .34. Old woodies will be eaten alive by new foamies. New ships out turn them hands down. Depends on what you want. I like oldies but newer planes are much better. Have fun,Dan
Title: Re: 75 mph combat engines
Post by: phil c on October 21, 2011, 10:40:23 AM
You might find out what rules they are planning to use.  AMA rules ted to result in a lot of midairs, which you might not want to do with vintage airplanes.  Multi-round contests, with appropriate rules, tend to be a lot gentler on equipment.  Went to Roy Glenn's airwars meet a few weeks ago.  14 flyers, 28 matches, one major midair, one minor midair, and one line tangle crash.
Title: Re: 75 mph combat engines
Post by: builditright on January 02, 2012, 09:21:08 AM
You might find out what rules they are planning to use.  AMA rules ted to result in a lot of midairs, which you might not want to do with vintage airplanes.  Multi-round contests, with appropriate rules, tend to be a lot gentler on equipment.  Went to Roy Glenn's airwars meet a few weeks ago.  14 flyers, 28 matches, one major midair, one minor midair, and one line tangle crash.

I agree about finding out the rules but come on are we becoming afraid of a little mid-air collision
after all thats what attracted me and most of us to COMBAT isn't it?

The thrill of the hunt, peck and attempt at getting a "kill"
toughen up guys like we used to be... LL~ LL~
Title: Re: 75 mph combat engines
Post by: dave siegler on January 02, 2012, 08:07:18 PM
I was thinking about doing some combat flying at the KOI and build a few classic combat ships. What engine should I use for the 75 mph event and not break the bank?

The better question is what prop/ engine/ airplane.  An old combat special will work with a bigger prop and less nitro.  F2D engines wiht 7x3's or 7x4 work OK too.  OS 28's seem to like a master air screw 9x4.
Title: Re: 75 mph combat engines
Post by: Paul Smith on January 03, 2012, 04:28:48 AM
I've always viewed 70, 75, and 80 MPH combat as an outlet for old engines that aren't good for anything else. 

There should be a rule against BUYING an engine for speed limit  or WWII.