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88-1650 on a Champ

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88-1650 on a Champ

Unread postby bob » Sun Sep 04, 2016 2:45 pm

I have a 7DC with Don's Dream machine conversion. I had it on 1320's it was way under floated but they got of the water very well, however the back hatches were under water most of the time and it felt like it wanted to take a dive on a turn, so I sold them. 1400 1500 are all approved one way or another. Do any of you know about 1650 and how they would work, they look good on that 7FC or maybe it was EC I saw on the internet?

Robert
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Re: 88-1650 on a Champ

Unread postby RKittine » Sun Sep 04, 2016 8:03 pm

Welcome Bob. Nice to see you here. Lets see what some of the guys here may come up with. Glenn, any input on this one?
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Re: 88-1650 on a Champ

Unread postby RKittine » Mon Sep 05, 2016 7:23 am

OK Guys,

I met Robert on the National Aeronca Forum and told him that this was the place for him to come with his Seaplane questions. Someone must have researched the use if 1650s on a Champ.

I told Robert that I thought that regardless of them not being on the type certificate and not knowing of any STC for them, with a 100 HP C-85 I thought they would add too much weight.

Since he is in Canada, that makes this more confusing based on the different rules and regulations in Canada compared to the U.S.

Robert, Try Ed Peck. He makes EDO parts up there North of the Border. He may have an answer. And, if you need the contact information for J.J. Frey, let me know.

902-467-3333 sales@peckaero.com

Bob
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Re: 88-1650 on a Champ

Unread postby bob » Mon Sep 05, 2016 3:18 pm

Yes, I had thought about the extra weight of the 1650's but it's about 30#. The 1320's were about 165# and I think the 1650's are about 180#. I think there may be a drag issue?
Thank you Bob for referring me to this forum.
Robert
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Re: 88-1650 on a Champ

Unread postby RKittine » Tue Sep 06, 2016 7:46 am

Wonder if you could even get rigging for 88-1650s to fit a Champ, but since you are in Canada, Ed Peck or his brother, seems to be able to make up about anything. I have been in a Standard Cessna 150 on 1650s and with 2 of use, it was a SUPER Dog, but it got into the air eventually, but then again that is side by side seating which is less of a problem with CG. Same with C-140s also having the 1650s on their type certificate and a C-85 or C-90 engine.

Bob
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Re: 88-1650 on a Champ

Unread postby bob » Tue Sep 06, 2016 8:29 am

I don't know but I see a 7GCAA on1650's, looks like the same gear configuration. If they work on a 140 or 150 I thought they may be OK on an aeronca. I thought there maybe someone out there with a 337 or experiance with this.
I should have told you my 7DC is on Owner Maintenance program, in Canada.
c85-100hp+/-
852lbs on wheels

Robert
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Re: 88-1650 on a Champ

Unread postby RKittine » Tue Sep 06, 2016 9:28 am

Again, the issue become CG more than GW.
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Re: 88-1650 on a Champ

Unread postby cubdriver2 » Tue Sep 06, 2016 11:24 am

Eddy Peck and his brother have a Champ on 1400 I think. I had a C90 CCM on 1400 that was a great solo seaplane but somewhat of a Chriscraft with someone in the back seat. I always wanted to change them to 1320s. My J4/1320 heels are 4" under water when it's at gross or above but it's a trade off I accept for better performance.

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Re: 88-1650 on a Champ

Unread postby bob » Tue Sep 06, 2016 12:12 pm

Hi Glenn

Yes the 1320's are great floats on my 7DC in a calm lake, however when loaded in a fast boiling river avoiding rock, drift wood and windy days etc. there are all kinds of situations where I have felt under floated, even with light loads.

Robert
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Re: 88-1650 on a Champ

Unread postby bob » Tue Sep 06, 2016 1:12 pm

I should have mentioned there was a set of 1650's with Champ rigging for sale for a long time but I haven't been able to contact the seller. I guess that's what got me thinking about 1650's otherwise I was going to look for 1500's.
Robert
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Re: 88-1650 on a Champ

Unread postby RKittine » Tue Sep 06, 2016 4:24 pm

Personally I think PK-1500s might be the way to go. That extra 25-50 HP on the 7GC or 7GCBC would make a big difference.

Bob
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Re: 88-1650 on a Champ

Unread postby bob » Wed Sep 07, 2016 11:52 am

Thank you for your input, I'll be leaving for a week of float hunting and touring, tomorrow.
Robert
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Re: 88-1650 on a Champ

Unread postby cubdriver2 » Wed Sep 07, 2016 1:46 pm

bob wrote:Thank you for your input, I'll be leaving for a week of float hunting and touring, tomorrow.
Robert


Greenville?

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Re: 88-1650 on a Champ

Unread postby RKittine » Wed Sep 07, 2016 3:59 pm

Robert, Meet Glenn. Glenn is an experienced float plane driver and has a lot of experience with EDO 1320 and 1400 Floats. I am sure he can add something positive to your inquiry.

Bob
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