Prologue or flying two or multi engines model not so difficult as sound.

The help from English speaking modellers will accept with gratitude to correct fatal mistakes in my English.

The main purpose of this site to show that two or more engines on model it is not difficult at all.

I spent a lot of time studying this term when I had decided to make my first twin model. It was at 2004-2005. The main information was taken from “twin and multi” forum on rcuniverce. At that time the moderators tried to hold more sport character of forum. Scale funs were redirected to special scale part of forum.

Then I started to read I was disappointed. The minds of different modellers were opposite very often.

The man decided to build or fly his fist twin or multi can’t separate right advice from wrong one.

My experience is not so big. I have one twin and one four engine models. These are not scale models – sport - pattern ones including multi. For now I have a lot of failures one engine of both models with successful landing. May be my advised will be strange and unusual but these are advices from real a lot of flying modellers.

I hope that my site can help to save some nerves and some money to some modeller who decides to fly twin or multi engine model.

First of all I want to pass of some miffs.

• Then one engine stops it will be crash. No, twice no.
• Then one engine stops the models makes sharp turn to died side – No. It will take if you don’t follow some simple rules.
• The giro should be installed on the model. Not at all. The model has to have clear form to fly strait. If you install giro on model it will be more difficult to notice one engine failure.
• The engines have to be opposite rotation. Not at all. If you can make it simply and you want it so much you can do it. The model will fly strait and safety in both cases with correct thrust angles.
• Engine’s synchronizer has to be installed on model. If you want you can install it but you should understand that you will have less chance to land safety in case then one engine will stop.
• Model has to have electro motors only. Not at all. Type of engine should be selected according your common engines. If you electric flyer only, model should be electric, if you glow man only, model should be glow and so on.
• One working engine has to produce enough power to hold model in the air. If you want to fly on one engine fly single engine’s model. Such model flies much better on one engine.
• The engines have to have angles right one to the right, left one to the left independently from rotation. No.
• You have to buy expensive multi channel radio. It is enough the simplest four channels radio if you do not plan to install retract, flaps and so on. I use four main channels for both twin and multi engine models.
• You have to be high skill pilot. No, to control such models the normal skill will be enough.
• You have to listen very carefully to notice one engine stops. I did not listen it never with both models. Eyes and eyes once more. You have to watch model all the time and analyse like it flies.

At last I want to notice that ones miffs are innocuous but other ones no. If you follow them you will have badly flying very difficult to control model.

Below I will try to answer this questions. I will back to miffs in the end of theory to explain this.