Hey all. I researched this but didn't exactly find what I was looking for. My boat is a 1998 sea-doo sporster 1800...the previous owner claims it does about 55 with the stock impellars...well currently he has star-trek (sp?) impellars on there with a 16/21 pitch that top out at 42 mph...he said he put those on for quicker acceleration...i guess my questions are..what is the pitch of the stock impellars? Will they really hit 55 mph? Thanks.
-
This site contains eBay affiliate links for which Sea-Doo Forum may be compensated.
Quick Impellar Question
- Thread starter modiddy
- Start date
- Status
Barely a Wake
New Member
I have a brand new 2010 150 speedster 155hp that never hit 55mph, so my vote is "no".
Not the same boat but ok...what does your boat top out at?
Barely a Wake
New Member
High 40's with 3 people.
I take back my vote though. I saw an older post by someone with your exact boat who said that their boat goes 55 loaded with 5 people.
Thanks bud. I'm going to assume that was with the stock impellars...
Dr Honda
Well-Known Member
Yes... a Sportster 1800 should be able to get right to the 50 mph mark. But the Skat-Trak impellers shouldn't be dropping your speed that much. So....
1) How are you measuring your speed?
2) How much weight is in the boat?
3) Do you feel any cavitation?
4) What is your max RPM's?
5) Do you have a Bimini top on?
Now... I don't think that boat will go 55 mph. The Challenger 1800 will, but it has an extra 50hp over your boat. (in the same hull)
Answer the questions, and we will go from there.
1) How are you measuring your speed?
2) How much weight is in the boat?
3) Do you feel any cavitation?
4) What is your max RPM's?
5) Do you have a Bimini top on?
Now... I don't think that boat will go 55 mph. The Challenger 1800 will, but it has an extra 50hp over your boat. (in the same hull)
Answer the questions, and we will go from there.
1. The speedo says 45 mph but I clocked 41 mph with my gps (that's what I'm going with)
2. I weigh 245, 4 life jackets, 1 anchor, 1 fire ext, 1 paddle...
3. I'm not sure how to feel for cavitation (my first jet boat)
4. Both engines max rpm is around 6700 to 6800...they seem to run strong
5. Took bimini top off..
I also just go confirmation that the previous owner changed the wear rings in the spring...
stfoulks
New Member
Same boat here....
I have a 98 Sportster 1800. Just had new Solas Impellers put on and new wear rings, also re-did carbon seal to get rid of some cavitation. On the first trip out with the new parts, we hit 45 (measured by GPS), with 2 in the boat, the top down, and relatively calm conditions.
One of my stock impellers had some damage/attempted repair work done on the trailing edge. I've only had the boat for 4 months, but we never got up over 38 before the change....
I have a 98 Sportster 1800. Just had new Solas Impellers put on and new wear rings, also re-did carbon seal to get rid of some cavitation. On the first trip out with the new parts, we hit 45 (measured by GPS), with 2 in the boat, the top down, and relatively calm conditions.
One of my stock impellers had some damage/attempted repair work done on the trailing edge. I've only had the boat for 4 months, but we never got up over 38 before the change....
I would really like to be in the 45 to 50 range...and from a previous post it looks like someone has hit 53/54....but I'm not trying to get greedy haha
- Status
Similar threads
- Locked
- Locked
- Locked
