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INFORMATION
How
to fit the larger RapidCharge Lipos onto an INT 400
Because I supply and build quite a number of Interceptor
400's a lot of people ask me if it is possible to fit and use
the larger and more powerful RapidCharge 2200 MAh, 25C lipos and
similar sized more powerful lipos.
Up until now this has not been very easy,
mainly because the canopy supplied with the INT400 is very short
compared to other helicopter canopies.
However, I can now suggest 2 different
ways to achieve this without very much extra work.
Firstly, I can now supply very nice super low cost plain white
plastic canopy that will allow you to fit the larger lipos
without much problem at all as they are quite a bit longer.
I can also supply super
painted fibreglass canopies that are also larger than the stock
INT400 canopy, but for best results you will need to do a small
modification to your helicopters frame
Because the Lipo tray on the INT400 is really
far too short for almost all lipos, the first thing that I
ALWAYS DO is to make a lipo tray extension out of some 2mm
Plastikard or a similar material. It is drilled so that it can
be held to the forward CNC cross bar just behind the head
position on the underneath of the frame, with another pair of
holes allowing it to be fixed AROUND the front skid support and
the final pair allowing the front of the original tray to be
connected as well. This helps to relieve a lot of the
stress on the original lipo tray, which often fracture just
forward of the 2 mounting crew positions.
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| The trick here is to get
some 3mm carbon rod (You can often use old boom
supports) and then carefully drill a 3mm hole
IMMEDIATELY BELOW the Pitch arm pivot shaft (CNC going
through frame) Then pass the 3mm rod through both
of the new holes and secure it with super glue.
Trim the rod off on both sides at a
suitable length so that it will extend through the
canopy when fitted.
Then all you need to do is to drill or
redrill your canopy the same distance forward and
slightly lower than the original mounting holes, fit a
rubber grommet into each new hole, and slide your
canopy up and over the new mounting bar.
This makes the canopy mount in a very
similar position to the old standard canopy.
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This is an original "Canomod"
INT400 canopy fitted using the new mounting system
You can EVEN fit the larger
Rapidcharge lipos in this with the new mounting. |
| This is one of my
fibreglass canopies fitted using the new mounting
system.
A Rapidcharge 2200 lipo is fitted
comfortable underneath this |
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Another view of the one
above
A Rapidcharge 2200 lipo is fitted
comfortable underneath this
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| This is one of my
"deformable" white plastic canopies fitted
using the new mounting system.
A Rapidcharge 2200 lipo is fitted
comfortable underneath this
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The only other issue you need to address is
the change in the COG of the helicopter due to the weight of the
larger Lipos. Again this is very easily overcome. All I do
is to tape 2 £1 pieces to the vertical fin somewhere.
These exactly match the additional weight, and the Interceptor
400's COG will again be just perfect.
CLICK
HERE to check out my canopy range ... You will
not regret it, they are really nice looking too 

Here's one fitted to one of my
"pre-built" INT400's...
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