Franklin 6VS-335

Sell or want ads

Franklin 6VS-335

Postby rotorgoat » Sat Nov 15, 2008 3:03 am

I'm looking for a Turboed Franklin 6VS-335 complete. An overhaulable core would be fine also. Any leads? Also does anyone have a parts manual for this engine? I would be willing to pay for a photocopy if you dn't want to part with it. Thanks
rotorgoat
 
Posts: 7
Joined: Sat Nov 01, 2008 4:01 am

Re: Franklin 6VS-335

Postby adam32 » Tue Nov 18, 2008 2:03 am

Its the same engine as the normal aspirated version, so you could contact Franklin, Hiller, or Fort Wolters, they might have a lead. I also think there is one on Barnstormers for sale.
adam32
 
Posts: 64
Joined: Tue Feb 19, 2008 3:03 am
Location: California

Re: Franklin 6VS-335

Postby rotorgoat » Sat Nov 22, 2008 9:10 pm

Thanks, I'll check those out although the Franklin distributors here in the US want nothing to do with the helicopter versions, unless you're operating the 6V-350 (same cyl's) - I've talked to both of them. There are some minor differences that's why I'm looking for a parts manual. The cylinders are different - 14mm for the 200 and 210 HP and 18mm for the 6VS. Compression ratio is 8.5 to 1 for the non turbos and 7.0 for the 6VS (it's both cylinders and pistons that are different) and the carb is a MA6. You are correct in the fact that if you take the turbo off and change the carb to a MA4-5 it becomes a 200 HP. I have the Franklin letter on that along with the performance curves. Right now I'd be happy if anyone could provide the cylinder and piston part numbers.
Last edited by rotorgoat on Tue Jan 06, 2009 6:28 pm, edited 1 time in total.
rotorgoat
 
Posts: 7
Joined: Sat Nov 01, 2008 4:01 am

Re: Franklin 6VS-335

Postby adam32 » Sat Nov 22, 2008 11:14 pm

Where/who did you buy it from? I looked at one in Idaho, that is now in Texas and I think it may have had an engine manual...
adam32
 
Posts: 64
Joined: Tue Feb 19, 2008 3:03 am
Location: California

Re: Franklin 6VS-335

Postby rotorgoat » Sun Nov 23, 2008 6:38 am

I haven't bought one yet - I'm still looking for leads. I do have an O-335-5D (210 HP) core but without a parts book for the 6VS-335 I'm not sure how much I could use from the core. I would definitely need cylinders and exhaust and intake manifolds. I also checked out Barnstormers and the one listed was not a Turbo. I sent off an e-mail to Fort Wolters hoping for some info.
rotorgoat
 
Posts: 7
Joined: Sat Nov 01, 2008 4:01 am

Re: Franklin 6VS-335

Postby adam32 » Sun Nov 23, 2008 4:39 pm

Well the 6VS-335 wasn't designed for a turbo and they seemed to have lots of trouble with them. I think you'd be better off getting a 6V-350 only 5hp less then the turbo. Actually Pat Pockrus has one for sale right now too.
adam32
 
Posts: 64
Joined: Tue Feb 19, 2008 3:03 am
Location: California

Re: Franklin 6VS-335

Postby rotorgoat » Mon Nov 24, 2008 12:04 am

Do you know where the problem areas are with this engine? I need some high altitude capability in Wyoming and the normally aspirated engines give up about 35 to 40% of their rated power up here. I think that Bell put it in the origional 47-G3 and flew it up to Pikes Peak (14,000 feet) to break the helicopter altitude record in the 1950's.
rotorgoat
 
Posts: 7
Joined: Sat Nov 01, 2008 4:01 am

Re: Franklin 6VS-335

Postby adam32 » Mon Nov 24, 2008 3:19 am

Cylinder and valve problems mainly. Have you thought about an E? I will most likely be buying a C this week, but I'm about 2100ft msl so the natural asp will do okay.
adam32
 
Posts: 64
Joined: Tue Feb 19, 2008 3:03 am
Location: California


Return to Parts

Who is online

Users browsing this forum: No registered users and 1 guest

cron