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Interceptor 400 answers



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A4 - Interceptor 400 - Can I fit a 'better' head/tail to my Interceptor ?

In a word, YES, of course you can...  In most cases this means fitting a metal (CNC) head/tail to achieve more precision in control.

However, there is rather more to it than just saying yes, as there are so many different types of CNC heads available out there in the market place.

Right now it is pretty hard to find any "genuine" Interceptor CNC parts, although Heliguy have said that they hope to stock some at "some time in the future".

However, there are other sources of CNC parts that are designed for the Interceptor 400 alone, and I am now starting to stock these upgrade parts.

The other option is to look at the defacto standard CNC Head & Tail assemblies such as though for the Trex 450, CopterX 450 and others.  To a large extent these will fit the Interceptor 400 without too many problems.  The major issue is that all of the above mentioned heads come from CCPM helicopters, which use the 120 degree swash late arrangement, whereas the Interceptor 400 is a NON CCPM and therefore uses a 90 degree swash plate arrangement.

WARNING - Try to avoid the very cheap Chinese clones that can be bought off the web for 15 or so - they are usually pretty well rubbish.

So there are 2 choices available to us, we can either continue to use the original INT400 swash plate with our new head, or we can obtain a 90 degree CNC swash plate, which are available if you search around.

The other issue is that the tail assemblies you buy usually come with a drive belt already fitted to it. Unfortunately the length of that belt is longer than the belt used by the INT400.  Again there are 2 solutions. The first one is to strip the tail assembly down again and then use the original INT400 belt. The other way is to purchase a Trex or CopterX boom, which is slightly longer, and use that instead of the original INT400 boom. If you do this, you will also need to get hold of some servo mounting brackets that go onto the boom and then move the tail servo onto those mounts in much the same way as they are normally mounted on the Belt CP and other helicopters.


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