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aerocet 1100 amphibs

 
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vetdrem



Joined: 20 Nov 2007
Posts: 62
PostPosted: Wed Aug 27, 2008 4:49 pm    Post subject: aerocet 1100 amphibs Reply with quote
I am almost ready to get my floats wet for the first time. I have them installed and rigged, now it's time for the w&b, taxi tests, etc, then find an instructor to teach me what I don't know how.

I have a couple questions that I hope someone can help with.

First, I know that the weight limit to stay in the sport catagory goes up by 110 lbs to 1430 when on floats, but I am not sure about the planes max gross wt. I have a model 3 that has a max gross of 1050. When on floats, does my max gross go up to 1160 or so? If so, WHY? What changed to make the airframe able to withstand the greater weight?

Second, I weighed it today, and the CG came out too far forward. I am going to re-weigh it tomorrow to make sure that I didn't make a mistake or anything, but if it comes out the same, what is the best way to get it back into range? I was thinking about adding weight to the back compartment to move the CG aft.

Thanks

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akflyer



Joined: 07 May 2007
Posts: 574
Location: Soldotna AK
PostPosted: Wed Aug 27, 2008 5:27 pm    Post subject: Re: aerocet 1100 amphibs Reply with quote
it is said that the floats will support / fly themselves at about 70 mph. Can you move the battery back? If you have to put weight in it, I would put a battery in the tail, or some type of usefull weight. I hate lead with a passion.

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kcozik(at)cablespeed.com
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PostPosted: Wed Aug 27, 2008 5:50 pm    Post subject: aerocet 1100 amphibs Reply with quote
A forward CG empty is not uncommon in a floatplane but should come into range with
the pilot and some fuel. More than likely you'll still be at the forward limit
loaded but as long as you're in the range you should be fine. As to the extra weight
on floats, I've heard of many occasions where 10% is added to the gross weight with
the theory the floats will generate enough lift to carry the extra weight. I'm not
sure you can just change your max gross weight without going through a test phase
which will probably be required from your FSDO.

Kevin Cozik
Series 7
914 Turbo
Czech floats
Lansing MI
On Wed Aug 27 20:49 , 'vetdrem' <vetdrem(at)hotmail.com> sent:

Quote:


I am almost ready to get my floats wet for the first time. I have them installed
and rigged, now it's time for the w&b, taxi tests, etc, then find an instructor to

teach me what I don't know how.
Quote:

I have a couple questions that I hope someone can help with.

First, I know that the weight limit to stay in the sport catagory goes up by 110 lbs
to 1430 when on floats, but I am not sure about the planes max gross wt. I have a

model 3 that has a max gross of 1050. When on floats, does my max gross go up to
1160 or so? If so, WHY? What changed to make the airframe able to withstand the
greater weight?
Quote:

Second, I weighed it today, and the CG came out too far forward. I am going to re-
weigh it tomorrow to make sure that I didn't make a mistake or anything, but if it

comes out the same, what is the best way to get it back into range? I was thinking
about adding weight to the back compartment to move the CG aft.
Quote:

Thanks


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